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YARN-1708. Public YARN APIs for creating/updating/deleting reservations. 

(cherry picked from commit 3f2e3b275b)
(cherry picked from commit c9266df404)
This commit is contained in:
subru 2014-09-12 17:16:07 -07:00 committed by Chris Douglas
parent b81f571e60
commit 3a167056d1
32 changed files with 2848 additions and 6 deletions
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2
YARN-1051-CHANGES.txt
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@ -3,3 +3,5 @@ CapacityScheduler. (Carlo Curino and Subru Krishnan via curino)
YARN-2475. Logic for responding to capacity drops for the
ReservationSystem. (Carlo Curino and Subru Krishnan via curino)
YARN-1708. Public YARN APIs for creating/updating/deleting reservations. (subru)

113
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ApplicationClientProtocol.java
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@ -57,6 +57,12 @@
import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
@ -67,6 +73,7 @@
import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
import org.apache.hadoop.yarn.api.records.ContainerReport;
import org.apache.hadoop.yarn.api.records.NodeReport;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.Token;
@ -543,4 +550,110 @@ public GetContainerReportResponse getContainerReport(
public GetContainersResponse getContainers(GetContainersRequest request)
throws YarnException, IOException;
/**
* <p>
* The interface used by clients to submit a new reservation to the
* {@link ResourceManager}.
* </p>
*
* <p>
* The client packages all details of its request in a
* {@link ReservationSubmissionRequest} object. This contains information
* about the amount of capacity, temporal constraints, and concurrency needs.
* Furthermore, the reservation might be composed of multiple stages, with
* ordering dependencies among them.
* </p>
*
* <p>
* In order to respond, a new admission control component in the
* {@link ResourceManager} performs an analysis of the resources that have
* been committed over the period of time the user is requesting, verify that
* the user requests can be fulfilled, and that it respect a sharing policy
* (e.g., {@link CapacityOverTimePolicy}). Once it has positively determined
* that the ReservationSubmissionRequest is satisfiable the
* {@link ResourceManager} answers with a
* {@link ReservationSubmissionResponse} that include a non-null
* {@link ReservationId}. Upon failure to find a valid allocation the response
* is an exception with the reason.
*
* On application submission the client can use this {@link ReservationId} to
* obtain access to the reserved resources.
* </p>
*
* <p>
* The system guarantees that during the time-range specified by the user, the
* reservationID will be corresponding to a valid reservation. The amount of
* capacity dedicated to such queue can vary overtime, depending of the
* allocation that has been determined. But it is guaranteed to satisfy all
* the constraint expressed by the user in the
* {@link ReservationSubmissionRequest}.
* </p>
*
* @param request the request to submit a new Reservation
* @return response the {@link ReservationId} on accepting the submission
* @throws YarnException if the request is invalid or reservation cannot be
* created successfully
* @throws IOException
*
*/
@Public
@Unstable
public ReservationSubmissionResponse submitReservation(
ReservationSubmissionRequest request) throws YarnException, IOException;
/**
* <p>
* The interface used by clients to update an existing Reservation. This is
* referred to as a re-negotiation process, in which a user that has
* previously submitted a Reservation.
* </p>
*
* <p>
* The allocation is attempted by virtually substituting all previous
* allocations related to this Reservation with new ones, that satisfy the new
* {@link ReservationUpdateRequest}. Upon success the previous allocation is
* substituted by the new one, and on failure (i.e., if the system cannot find
* a valid allocation for the updated request), the previous allocation
* remains valid.
*
* The {@link ReservationId} is not changed, and applications currently
* running within this reservation will automatically receive the resources
* based on the new allocation.
* </p>
*
* @param request to update an existing Reservation (the ReservationRequest
* should refer to an existing valid {@link ReservationId})
* @return response empty on successfully updating the existing reservation
* @throws YarnException if the request is invalid or reservation cannot be
* updated successfully
* @throws IOException
*
*/
@Public
@Unstable
public ReservationUpdateResponse updateReservation(
ReservationUpdateRequest request) throws YarnException, IOException;
/**
* <p>
* The interface used by clients to remove an existing Reservation.
*
* Upon deletion of a reservation applications running with this reservation,
* are automatically downgraded to normal jobs running without any dedicated
* reservation.
* </p>
*
* @param request to remove an existing Reservation (the ReservationRequest
* should refer to an existing valid {@link ReservationId})
* @return response empty on successfully deleting the existing reservation
* @throws YarnException if the request is invalid or reservation cannot be
* deleted successfully
* @throws IOException
*
*/
@Public
@Unstable
public ReservationDeleteResponse deleteReservation(
ReservationDeleteRequest request) throws YarnException, IOException;
}

72
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationDeleteRequest.java Normal file
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@ -0,0 +1,72 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationDeleteRequest} captures the set of requirements the user
* has to delete an existing reservation.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationDeleteRequest {
@Public
@Unstable
public static ReservationDeleteRequest newInstance(ReservationId reservationId) {
ReservationDeleteRequest request =
Records.newRecord(ReservationDeleteRequest.class);
request.setReservationId(reservationId);
return request;
}
/**
* Get the {@link ReservationId}, that corresponds to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @return the {@link ReservationId} representing the unique id of the
* corresponding reserved resource allocation in the scheduler
*/
@Public
@Unstable
public abstract ReservationId getReservationId();
/**
* Set the {@link ReservationId}, that correspond to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @param reservationId the {@link ReservationId} representing the the unique
* id of the corresponding reserved resource allocation in the
* scheduler
*/
@Public
@Unstable
public abstract void setReservationId(ReservationId reservationId);
}

48
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationDeleteResponse.java Normal file
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@ -0,0 +1,48 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationDeleteResponse} contains the answer of the admission
* control system in the {@link ResourceManager} to a reservation delete
* operation. Currently response is empty if the operation was successful, if
* not an exception reporting reason for a failure.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationDeleteResponse {
@Private
@Unstable
public static ReservationDeleteResponse newInstance() {
ReservationDeleteResponse response =
Records.newRecord(ReservationDeleteResponse.class);
return response;
}
}

97
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationSubmissionRequest.java Normal file
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@ -0,0 +1,97 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.QueueInfo;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationSubmissionRequest} captures the set of requirements the
* user has to create a reservation.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationSubmissionRequest {
@Public
@Unstable
public static ReservationSubmissionRequest newInstance(
ReservationDefinition reservationDefinition, String queueName) {
ReservationSubmissionRequest request =
Records.newRecord(ReservationSubmissionRequest.class);
request.setReservationDefinition(reservationDefinition);
request.setQueue(queueName);
return request;
}
/**
* Get the {@link ReservationDefinition} representing the user constraints for
* this reservation
*
* @return the reservation definition representing user constraints
*/
@Public
@Unstable
public abstract ReservationDefinition getReservationDefinition();
/**
* Set the {@link ReservationDefinition} representing the user constraints for
* this reservation
*
* @param reservationDefinition the reservation request representing the
* reservation
*/
@Public
@Unstable
public abstract void setReservationDefinition(
ReservationDefinition reservationDefinition);
/**
* Get the name of the {@link Plan} that corresponds to the name of the
* {@link QueueInfo} in the scheduler to which the reservation will be
* submitted to.
*
* @return the name of the {@link Plan} that corresponds to the name of the
* {@link QueueInfo} in the scheduler to which the reservation will be
* submitted to
*/
@Public
@Unstable
public abstract String getQueue();
/**
* Set the name of the {@link Plan} that corresponds to the name of the
* {@link QueueInfo} in the scheduler to which the reservation will be
* submitted to
*
* @param the name of the parent {@link Plan} that corresponds to the name of
* the {@link QueueInfo} in the scheduler to which the reservation
* will be submitted to
*/
@Public
@Unstable
public abstract void setQueue(String queueName);
}

78
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationSubmissionResponse.java Normal file
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@ -0,0 +1,78 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.util.Records;
import com.sun.naming.internal.ResourceManager;
/**
* {@link ReservationSubmissionResponse} contains the answer of the admission
* control system in the {@link ResourceManager} to a reservation create
* operation. Response contains a {@link ReservationId} if the operation was
* successful, if not an exception reporting reason for a failure.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationSubmissionResponse {
@Private
@Unstable
public static ReservationSubmissionResponse newInstance(
ReservationId reservationId) {
ReservationSubmissionResponse response =
Records.newRecord(ReservationSubmissionResponse.class);
response.setReservationId(reservationId);
return response;
}
/**
* Get the {@link ReservationId}, that corresponds to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @return the {@link ReservationId} representing the unique id of the
* corresponding reserved resource allocation in the scheduler
*/
@Public
@Unstable
public abstract ReservationId getReservationId();
/**
* Set the {@link ReservationId}, that correspond to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @param reservationId the {@link ReservationId} representing the the unique
* id of the corresponding reserved resource allocation in the
* scheduler
*/
@Private
@Unstable
public abstract void setReservationId(ReservationId reservationId);
}

96
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationUpdateRequest.java Normal file
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@ -0,0 +1,96 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationUpdateRequest} captures the set of requirements the user
* has to update an existing reservation.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationUpdateRequest {
@Public
@Unstable
public static ReservationUpdateRequest newInstance(
ReservationDefinition reservationDefinition, ReservationId reservationId) {
ReservationUpdateRequest request =
Records.newRecord(ReservationUpdateRequest.class);
request.setReservationDefinition(reservationDefinition);
request.setReservationId(reservationId);
return request;
}
/**
* Get the {@link ReservationDefinition} representing the updated user
* constraints for this reservation
*
* @return the reservation definition representing user constraints
*/
@Public
@Unstable
public abstract ReservationDefinition getReservationDefinition();
/**
* Set the {@link ReservationDefinition} representing the updated user
* constraints for this reservation
*
* @param reservationDefinition the reservation request representing the
* reservation
*/
@Public
@Unstable
public abstract void setReservationDefinition(
ReservationDefinition reservationDefinition);
/**
* Get the {@link ReservationId}, that corresponds to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @return the {@link ReservationId} representing the unique id of the
* corresponding reserved resource allocation in the scheduler
*/
@Public
@Unstable
public abstract ReservationId getReservationId();
/**
* Set the {@link ReservationId}, that correspond to a valid resource
* allocation in the scheduler (between start and end time of this
* reservation)
*
* @param reservationId the {@link ReservationId} representing the the unique
* id of the corresponding reserved resource allocation in the
* scheduler
*/
@Public
@Unstable
public abstract void setReservationId(ReservationId reservationId);
}

48
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ReservationUpdateResponse.java Normal file
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@ -0,0 +1,48 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationUpdateResponse} contains the answer of the admission
* control system in the {@link ResourceManager} to a reservation update
* operation. Currently response is empty if the operation was successful, if
* not an exception reporting reason for a failure.
*
* @see ReservationDefinition
*
*/
@Public
@Unstable
public abstract class ReservationUpdateResponse {
@Private
@Unstable
public static ReservationUpdateResponse newInstance() {
ReservationUpdateResponse response =
Records.newRecord(ReservationUpdateResponse.class);
return response;
}
}

22
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationSubmissionContext.java
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@ -417,4 +417,26 @@ public abstract void setAttemptFailuresValidityInterval(
@Stable
public abstract void setLogAggregationContext(
LogAggregationContext logAggregationContext);
/**
* Get the reservation id, that corresponds to a valid resource allocation in
* the scheduler (between start and end time of the corresponding reservation)
*
* @return the reservation id representing the unique id of the corresponding
* reserved resource allocation in the scheduler
*/
@Public
@Unstable
public abstract ReservationId getReservationID();
/**
* Set the reservation id, that correspond to a valid resource allocation in
* the scheduler (between start and end time of the corresponding reservation)
*
* @param reservationId representing the unique id of the
* corresponding reserved resource allocation in the scheduler
*/
@Public
@Unstable
public abstract void setReservationID(ReservationId reservationID);
}

137
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationDefinition.java Normal file
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@ -0,0 +1,137 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Evolving;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationDefinition} captures the set of resource and time
* constraints the user cares about regarding a reservation.
*
* @see ResourceRequest
*
*/
@Public
@Unstable
public abstract class ReservationDefinition {
@Public
@Unstable
public static ReservationDefinition newInstance(long arrival, long deadline,
ReservationRequests reservationRequests, String name) {
ReservationDefinition rDefinition =
Records.newRecord(ReservationDefinition.class);
rDefinition.setArrival(arrival);
rDefinition.setDeadline(deadline);
rDefinition.setReservationRequests(reservationRequests);
rDefinition.setReservationName(name);
return rDefinition;
}
/**
* Get the arrival time or the earliest time from which the resource(s) can be
* allocated. Time expressed as UTC.
*
* @return the earliest valid time for this reservation
*/
@Public
@Unstable
public abstract long getArrival();
/**
* Set the arrival time or the earliest time from which the resource(s) can be
* allocated. Time expressed as UTC.
*
* @param earliestStartTime the earliest valid time for this reservation
*/
@Public
@Unstable
public abstract void setArrival(long earliestStartTime);
/**
* Get the deadline or the latest time by when the resource(s) must be
* allocated. Time expressed as UTC.
*
* @return the deadline or the latest time by when the resource(s) must be
* allocated
*/
@Public
@Unstable
public abstract long getDeadline();
/**
* Set the deadline or the latest time by when the resource(s) must be
* allocated. Time expressed as UTC.
*
* @param latestEndTime the deadline or the latest time by when the
* resource(s) should be allocated
*/
@Public
@Unstable
public abstract void setDeadline(long latestEndTime);
/**
* Get the list of {@link ReservationRequests} representing the resources
* required by the application
*
* @return the list of {@link ReservationRequests}
*/
@Public
@Unstable
public abstract ReservationRequests getReservationRequests();
/**
* Set the list of {@link ReservationRequests} representing the resources
* required by the application
*
* @param resources the list of {@link ReservationRequests}
*/
@Public
@Unstable
public abstract void setReservationRequests(
ReservationRequests reservationRequests);
/**
* Get the name for this reservation. The name need-not be unique, and it is
* just a mnemonic for the user (akin to job names). Accepted reservations are
* uniquely identified by a system-generated ReservationId.
*
* @return string representing the name of the corresponding reserved resource
* allocation in the scheduler
*/
@Public
@Evolving
public abstract String getReservationName();
/**
* Set the name for this reservation. The name need-not be unique, and it is
* just a mnemonic for the user (akin to job names). Accepted reservations are
* uniquely identified by a system-generated ReservationId.
*
* @param name representing the name of the corresponding reserved resource
* allocation in the scheduler
*/
@Public
@Evolving
public abstract void setReservationName(String name);
}

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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationId.java Normal file
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@ -0,0 +1,147 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records;
import java.text.NumberFormat;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* <p>
* {@link ReservationId} represents the <em>globally unique</em> identifier for
* a reservation.
* </p>
*
* <p>
* The globally unique nature of the identifier is achieved by using the
* <em>cluster timestamp</em> i.e. start-time of the {@link ResourceManager}
* along with a monotonically increasing counter for the reservation.
* </p>
*/
@Public
@Unstable
public abstract class ReservationId implements Comparable<ReservationId> {
@Private
@Unstable
public static final String reserveIdStrPrefix = "reservation_";
protected long clusterTimestamp;
protected long id;
@Private
@Unstable
public static ReservationId newInstance(long clusterTimestamp, long id) {
ReservationId reservationId = Records.newRecord(ReservationId.class);
reservationId.setClusterTimestamp(clusterTimestamp);
reservationId.setId(id);
reservationId.build();
return reservationId;
}
/**
* Get the long identifier of the {@link ReservationId} which is unique for
* all Reservations started by a particular instance of the
* {@link ResourceManager}.
*
* @return long identifier of the {@link ReservationId}
*/
@Public
@Unstable
public abstract long getId();
@Private
@Unstable
protected abstract void setId(long id);
/**
* Get the <em>start time</em> of the {@link ResourceManager} which is used to
* generate globally unique {@link ReservationId}.
*
* @return <em>start time</em> of the {@link ResourceManager}
*/
@Public
@Unstable
public abstract long getClusterTimestamp();
@Private
@Unstable
protected abstract void setClusterTimestamp(long clusterTimestamp);
protected abstract void build();
static final ThreadLocal<NumberFormat> reservIdFormat =
new ThreadLocal<NumberFormat>() {
@Override
public NumberFormat initialValue() {
NumberFormat fmt = NumberFormat.getInstance();
fmt.setGroupingUsed(false);
fmt.setMinimumIntegerDigits(4);
return fmt;
}
};
@Override
public int compareTo(ReservationId other) {
if (this.getClusterTimestamp() - other.getClusterTimestamp() == 0) {
return getId() > getId() ? 1 : getId() < getId() ? -1 : 0;
} else {
return this.getClusterTimestamp() > other.getClusterTimestamp() ? 1
: this.getClusterTimestamp() < other.getClusterTimestamp() ? -1 : 0;
}
}
@Override
public String toString() {
return reserveIdStrPrefix + this.getClusterTimestamp() + "_"
+ reservIdFormat.get().format(getId());
}
@Override
public int hashCode() {
// generated by eclipse
final int prime = 31;
int result = 1;
result =
prime * result
+ (int) (getClusterTimestamp() ^ (getClusterTimestamp() >>> 32));
result = prime * result + (int) (getId() ^ (getId() >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
// generated by eclipse
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ReservationId other = (ReservationId) obj;
if (getClusterTimestamp() != other.getClusterTimestamp())
return false;
if (getId() != other.getId())
return false;
return true;
}
}

222
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationRequest.java Normal file
View File

@ -0,0 +1,222 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records;
import java.io.Serializable;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* <p>
* {@link ReservationRequest} represents the request made by an application to
* the {@link ResourceManager} to reserve {@link Resource}s.
* </p>
*
* <p>
* It includes:
* <ul>
* <li>{@link Resource} required for each request.</li>
* <li>
* Number of containers, of above specifications, which are required by the
* application.</li>
* <li>
* Concurrency that indicates the gang size of the request.</li>
* </ul>
* </p>
*
*/
@Public
@Unstable
public abstract class ReservationRequest implements
Comparable<ReservationRequest> {
@Public
@Unstable
public static ReservationRequest newInstance(Resource capability,
int numContainers) {
return newInstance(capability, numContainers, 1, -1);
}
@Public
@Unstable
public static ReservationRequest newInstance(Resource capability,
int numContainers, int concurrency, long duration) {
ReservationRequest request = Records.newRecord(ReservationRequest.class);
request.setCapability(capability);
request.setNumContainers(numContainers);
request.setConcurrency(concurrency);
request.setDuration(duration);
return request;
}
@Public
@Unstable
public static class ReservationRequestComparator implements
java.util.Comparator<ReservationRequest>, Serializable {
private static final long serialVersionUID = 1L;
@Override
public int compare(ReservationRequest r1, ReservationRequest r2) {
// Compare numContainers, concurrency and capability
int ret = r1.getNumContainers() - r2.getNumContainers();
if (ret == 0) {
ret = r1.getConcurrency() - r2.getConcurrency();
}
if (ret == 0) {
ret = r1.getCapability().compareTo(r2.getCapability());
}
return ret;
}
}
/**
* Get the {@link Resource} capability of the request.
*
* @return {@link Resource} capability of the request
*/
@Public
@Unstable
public abstract Resource getCapability();
/**
* Set the {@link Resource} capability of the request
*
* @param capability {@link Resource} capability of the request
*/
@Public
@Unstable
public abstract void setCapability(Resource capability);
/**
* Get the number of containers required with the given specifications.
*
* @return number of containers required with the given specifications
*/
@Public
@Unstable
public abstract int getNumContainers();
/**
* Set the number of containers required with the given specifications
*
* @param numContainers number of containers required with the given
* specifications
*/
@Public
@Unstable
public abstract void setNumContainers(int numContainers);
/**
* Get the number of containers that need to be scheduled concurrently. The
* default value of 1 would fall back to the current non concurrency
* constraints on the scheduling behavior.
*
* @return the number of containers to be concurrently scheduled
*/
@Public
@Unstable
public abstract int getConcurrency();
/**
* Set the number of containers that need to be scheduled concurrently. The
* default value of 1 would fall back to the current non concurrency
* constraints on the scheduling behavior.
*
* @param numContainers the number of containers to be concurrently scheduled
*/
@Public
@Unstable
public abstract void setConcurrency(int numContainers);
/**
* Get the duration in milliseconds for which the resource is required. A
* default value of -1, indicates an unspecified lease duration, and fallback
* to current behavior.
*
* @return the duration in milliseconds for which the resource is required
*/
@Public
@Unstable
public abstract long getDuration();
/**
* Set the duration in milliseconds for which the resource is required.
*
* @param duration the duration in milliseconds for which the resource is
* required
*/
@Public
@Unstable
public abstract void setDuration(long duration);
@Override
public int hashCode() {
final int prime = 2153;
int result = 2459;
Resource capability = getCapability();
result =
prime * result + ((capability == null) ? 0 : capability.hashCode());
result = prime * result + getNumContainers();
result = prime * result + getConcurrency();
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ReservationRequest other = (ReservationRequest) obj;
Resource capability = getCapability();
if (capability == null) {
if (other.getCapability() != null)
return false;
} else if (!capability.equals(other.getCapability()))
return false;
if (getNumContainers() != other.getNumContainers())
return false;
if (getConcurrency() != other.getConcurrency())
return false;
return true;
}
@Override
public int compareTo(ReservationRequest other) {
int numContainersComparison =
this.getNumContainers() - other.getNumContainers();
if (numContainersComparison == 0) {
int concurrencyComparison =
this.getConcurrency() - other.getConcurrency();
if (concurrencyComparison == 0) {
return this.getCapability().compareTo(other.getCapability());
} else {
return concurrencyComparison;
}
} else {
return numContainersComparison;
}
}
}

101
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationRequestInterpreter.java Normal file
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@ -0,0 +1,101 @@
package org.apache.hadoop.yarn.api.records;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Evolving;
/**
* Enumeration of various types of dependencies among multiple
* {@link ReservationRequests} within one {@link ReservationDefinition} (from
* least constraining to most constraining).
*/
@Public
@Evolving
public enum ReservationRequestInterpreter {
/**
* Requires that exactly ONE among the {@link ReservationRequest} submitted as
* of a {@link ReservationDefinition} is satisfied to satisfy the overall
* {@link ReservationDefinition}.
*
* WHEN TO USE THIS: This is useful when the user have multiple equivalent
* ways to run an application, and wants to expose to the ReservationAgent
* such flexibility. For example an application could use one <32GB,16core>
* container for 10min, or 16 <2GB,1core> containers for 15min, the
* ReservationAgent will decide which one of the two it is best for the system
* to place.
*
*/
R_ANY,
/**
* Requires that ALL of the {@link ReservationRequest} submitted as part of a
* {@link ReservationDefinition} are satisfied for the overall
* {@link ReservationDefinition} to be satisfied. No constraints are imposed
* on the temporal ordering of the allocation used to satisfy the
* ResourceRequeusts.
*
* WHEN TO USE THIS: This is useful to capture a scenario in which the user
* cares for multiple ReservationDefinition to be all accepted, or none. For
* example, a user might want a reservation R1: with 10 x <8GB,4core> for
* 10min, and a reservation R2: with 2 <1GB,1core> for 1h, and only if both
* are satisfied the workflow run in this reservation succeeds. The key
* differentiator from ALL and ORDER, ORDER_NO_GAP, is that ALL imposes no
* restrictions on the relative allocations used to place R1 and R2 above.
*
*/
R_ALL,
/**
* Requires that ALL of the {@link ReservationRequest} submitted as part of a
* {@link ReservationDefinition} are satisfied for the overall
* {@link ReservationDefinition} to be satisfied. Moreover, it imposes a
* strict temporal ordering on the allocation used to satisfy the
* {@link ReservationRequest}s. The allocations satisfying the
* {@link ReservationRequest} in position k must strictly precede the
* allocations for the {@link ReservationRequest} at position k+1. No
* constraints are imposed on temporal gaps between subsequent allocations
* (the last instant of the previous allocation can be an arbitrary long
* period of time before the first instant of the subsequent allocation).
*
* WHEN TO USE THIS: Like ALL this requires all ReservationDefinitions to be
* placed, but it also imposes a time ordering on the allocations used. This
* is important if the ReservationDefinition(s) are used to describe a
* workflow with inherent inter-stage dependencies. For example, a first job
* runs in a ReservaitonDefinition R1 (10 x <1GB,1core> for 20min), and its
* output is consumed by a second job described by a ReservationDefinition R2
* (5 x <1GB,1core>) for 50min). R2 allocation cannot overlap R1, as R2 models
* a job depending on the output of the job modeled by R1.
*/
R_ORDER,
/**
* Requires that ALL of the {@link ReservationRequest} submitted as part of a
* {@link ReservationDefinition} are satisfied for the overall
* {@link ReservationDefinition} to be satisfied. Moreover, it imposes a
* strict temporal ordering on the allocation used to satisfy the
* {@link ResourceRequeust}s. It imposes a strict temporal ordering on the
* allocation used to satisfy the {@link ReservationRequest}s. The allocations
* satisfying the {@link ReservationRequest} in position k must strictly
* precede the allocations for the {@link ReservationRequest} at position k+1.
* Moreover it imposes a "zero-size gap" between subsequent allocations, i.e.,
* the last instant in time of the allocations associated with the
* {@link ReservationRequest} at position k must be exactly preceding the
* first instant in time of the {@link ReservationRequest} at position k+1.
* Time ranges are interpreted as [a,b) inclusive left, exclusive right.
*
* WHEN TO USE THIS: This is a stricter version of R_ORDER, which allows no
* gaps between the allocations that satisfy R1 and R2. The use of this is
* twofold: 1) prevent long gaps between subsequent stages that produce very
* large intermediate output (e.g., the output of R1 is too large to be kept
* around for long before the job running in R2 consumes it, and disposes of
* it), 2) if the job being modeled has a time-varying resource need, one can
* combine multiple ResourceDefinition each approximating a portion of the job
* execution (think of using multiple rectangular bounding boxes to described
* an arbitrarily shaped area). By asking for no-gaps we guarantee
* "continuity" of resources given to this job. This still allow for some
* flexibility, as the entire "train" of allocations can be moved rigidly back
* or forth within the start-deadline time range (if there is slack).
*
*/
R_ORDER_NO_GAP
}

94
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationRequests.java Normal file
View File

@ -0,0 +1,94 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records;
import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* {@link ReservationRequests} captures the set of resource and constraints the
* user cares about regarding a reservation.
*
* @see ReservationRequest
*
*/
@Public
@Unstable
public abstract class ReservationRequests {
@Public
@Unstable
public static ReservationRequests newInstance(
List<ReservationRequest> reservationResources,
ReservationRequestInterpreter type) {
ReservationRequests reservationRequests =
Records.newRecord(ReservationRequests.class);
reservationRequests.setReservationResources(reservationResources);
reservationRequests.setInterpreter(type);
return reservationRequests;
}
/**
* Get the list of {@link ReservationRequest} representing the resources
* required by the application
*
* @return the list of {@link ReservationRequest}
*/
@Public
@Unstable
public abstract List<ReservationRequest> getReservationResources();
/**
* Set the list of {@link ReservationRequest} representing the resources
* required by the application
*
* @param resources the list of {@link ReservationRequest}
*/
@Public
@Unstable
public abstract void setReservationResources(
List<ReservationRequest> reservationResources);
/**
* Get the {@link ReservationRequestInterpreter}, representing how the list of
* resources should be allocated, this captures temporal ordering and other
* constraints.
*
* @return the list of {@link ReservationRequestInterpreter}
*/
@Public
@Unstable
public abstract ReservationRequestInterpreter getInterpreter();
/**
* Set the {@link ReservationRequestInterpreter}, representing how the list of
* resources should be allocated, this captures temporal ordering and other
* constraints.
*
* @param interpreter the {@link ReservationRequestInterpreter} for this
* reservation
*/
@Public
@Unstable
public abstract void setInterpreter(ReservationRequestInterpreter interpreter);
}

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/applicationclient_protocol.proto
View File

@ -49,5 +49,8 @@ service ApplicationClientProtocolService {
rpc getApplicationAttempts (GetApplicationAttemptsRequestProto) returns (GetApplicationAttemptsResponseProto);
rpc getContainerReport (GetContainerReportRequestProto) returns (GetContainerReportResponseProto);
rpc getContainers (GetContainersRequestProto) returns (GetContainersResponseProto);
rpc submitReservation (ReservationSubmissionRequestProto) returns (ReservationSubmissionResponseProto);
rpc updateReservation (ReservationUpdateRequestProto) returns (ReservationUpdateResponseProto);
rpc deleteReservation (ReservationDeleteRequestProto) returns (ReservationDeleteResponseProto);
}

37
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto
View File

@ -202,7 +202,6 @@ message ApplicationAttemptReportProto {
optional string diagnostics = 5 [default = "N/A"];
optional YarnApplicationAttemptStateProto yarn_application_attempt_state = 6;
optional ContainerIdProto am_container_id = 7;
optional string original_tracking_url = 8;
}
enum NodeStateProto {
@ -293,6 +292,7 @@ message ApplicationSubmissionContextProto {
repeated string applicationTags = 12;
optional int64 attempt_failures_validity_interval = 13 [default = -1];
optional LogAggregationContextProto log_aggregation_context = 14;
optional ReservationIdProto reservation_id = 15;
}
message LogAggregationContextProto {
@ -340,6 +340,41 @@ message QueueUserACLInfoProto {
repeated QueueACLProto userAcls = 2;
}
////////////////////////////////////////////////////////////////////////
////// From reservation_protocol /////////////////////////////////////
////////////////////////////////////////////////////////////////////////
message ReservationIdProto {
optional int64 id = 1;
optional int64 cluster_timestamp = 2;
}
message ReservationRequestProto {
optional ResourceProto capability = 1;
optional int32 num_containers = 2 [default = 1];
optional int32 concurrency = 3 [default = 1];
optional int64 duration = 4 [default = -1];
}
message ReservationRequestsProto {
repeated ReservationRequestProto reservation_resources = 1;
optional ReservationRequestInterpreterProto interpreter = 2 [default = R_ALL];
}
message ReservationDefinitionProto {
optional ReservationRequestsProto reservation_requests = 1;
optional int64 arrival = 2;
optional int64 deadline = 3;
optional string reservation_name = 4;
}
enum ReservationRequestInterpreterProto {
R_ANY = 0;
R_ALL = 1;
R_ORDER = 2;
R_ORDER_NO_GAP = 3;
}
////////////////////////////////////////////////////////////////////////
////// From container_manager //////////////////////////////////////////
////////////////////////////////////////////////////////////////////////

28
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto
View File

@ -292,3 +292,31 @@ message GetContainersRequestProto {
message GetContainersResponseProto {
repeated ContainerReportProto containers = 1;
}
//////////////////////////////////////////////////////
// reservation_protocol
//////////////////////////////////////////////////////
message ReservationSubmissionRequestProto {
optional string queue = 1;
optional ReservationDefinitionProto reservation_definition = 2;
}
message ReservationSubmissionResponseProto {
optional ReservationIdProto reservation_id = 1;
}
message ReservationUpdateRequestProto {
optional ReservationDefinitionProto reservation_definition = 1;
optional ReservationIdProto reservation_id = 2;
}
message ReservationUpdateResponseProto {
}
message ReservationDeleteRequestProto {
optional ReservationIdProto reservation_id = 1;
}
message ReservationDeleteResponseProto {
}

58
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ApplicationClientProtocolPBClientImpl.java
View File

@ -63,6 +63,12 @@
import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenRequestPBImpl;
@ -97,6 +103,12 @@
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationDeleteRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationDeleteResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationSubmissionRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationSubmissionResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationUpdateRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationUpdateResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationResponsePBImpl;
import org.apache.hadoop.yarn.exceptions.YarnException;
@ -110,13 +122,15 @@
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetApplicationAttemptsRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetApplicationAttemptReportRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetContainerReportRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetContainersRequestProto;
import com.google.protobuf.ServiceException;
@Private
@ -391,4 +405,46 @@ public GetContainersResponse getContainers(GetContainersRequest request)
}
}
@Override
public ReservationSubmissionResponse submitReservation(ReservationSubmissionRequest request)
throws YarnException, IOException {
ReservationSubmissionRequestProto requestProto =
((ReservationSubmissionRequestPBImpl) request).getProto();
try {
return new ReservationSubmissionResponsePBImpl(proxy.submitReservation(null,
requestProto));
} catch (ServiceException e) {
RPCUtil.unwrapAndThrowException(e);
return null;
}
}
@Override
public ReservationUpdateResponse updateReservation(ReservationUpdateRequest request)
throws YarnException, IOException {
ReservationUpdateRequestProto requestProto =
((ReservationUpdateRequestPBImpl) request).getProto();
try {
return new ReservationUpdateResponsePBImpl(proxy.updateReservation(null,
requestProto));
} catch (ServiceException e) {
RPCUtil.unwrapAndThrowException(e);
return null;
}
}
@Override
public ReservationDeleteResponse deleteReservation(ReservationDeleteRequest request)
throws YarnException, IOException {
ReservationDeleteRequestProto requestProto =
((ReservationDeleteRequestPBImpl) request).getProto();
try {
return new ReservationDeleteResponsePBImpl(proxy.deleteReservation(null,
requestProto));
} catch (ServiceException e) {
RPCUtil.unwrapAndThrowException(e);
return null;
}
}
}

61
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ApplicationClientProtocolPBServiceImpl.java
View File

@ -45,6 +45,9 @@
import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenResponsePBImpl;
@ -78,6 +81,12 @@
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationDeleteRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationDeleteResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationSubmissionRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationSubmissionResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationUpdateRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ReservationUpdateResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationResponsePBImpl;
import org.apache.hadoop.yarn.exceptions.YarnException;
@ -99,6 +108,12 @@
import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetApplicationAttemptReportRequestProto;
@ -383,4 +398,50 @@ public GetContainersResponseProto getContainers(RpcController controller,
throw new ServiceException(e);
}
}
@Override
public ReservationSubmissionResponseProto submitReservation(RpcController controller,
ReservationSubmissionRequestProto requestProto) throws ServiceException {
ReservationSubmissionRequestPBImpl request =
new ReservationSubmissionRequestPBImpl(requestProto);
try {
ReservationSubmissionResponse response = real.submitReservation(request);
return ((ReservationSubmissionResponsePBImpl) response).getProto();
} catch (YarnException e) {
throw new ServiceException(e);
} catch (IOException e) {
throw new ServiceException(e);
}
}
@Override
public ReservationUpdateResponseProto updateReservation(RpcController controller,
ReservationUpdateRequestProto requestProto) throws ServiceException {
ReservationUpdateRequestPBImpl request =
new ReservationUpdateRequestPBImpl(requestProto);
try {
ReservationUpdateResponse response = real.updateReservation(request);
return ((ReservationUpdateResponsePBImpl) response).getProto();
} catch (YarnException e) {
throw new ServiceException(e);
} catch (IOException e) {
throw new ServiceException(e);
}
}
@Override
public ReservationDeleteResponseProto deleteReservation(RpcController controller,
ReservationDeleteRequestProto requestProto) throws ServiceException {
ReservationDeleteRequestPBImpl request =
new ReservationDeleteRequestPBImpl(requestProto);
try {
ReservationDeleteResponse response = real.deleteReservation(request);
return ((ReservationDeleteResponsePBImpl) response).getProto();
} catch (YarnException e) {
throw new ServiceException(e);
} catch (IOException e) {
throw new ServiceException(e);
}
}
}

127
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationDeleteRequestPBImpl.java Normal file
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@ -0,0 +1,127 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationIdPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteRequestProtoOrBuilder;
import com.google.protobuf.TextFormat;
public class ReservationDeleteRequestPBImpl extends ReservationDeleteRequest {
ReservationDeleteRequestProto proto = ReservationDeleteRequestProto
.getDefaultInstance();
ReservationDeleteRequestProto.Builder builder = null;
boolean viaProto = false;
private ReservationId reservationId;
public ReservationDeleteRequestPBImpl() {
builder = ReservationDeleteRequestProto.newBuilder();
}
public ReservationDeleteRequestPBImpl(ReservationDeleteRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationDeleteRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationId != null) {
builder.setReservationId(convertToProtoFormat(this.reservationId));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationDeleteRequestProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public ReservationId getReservationId() {
ReservationDeleteRequestProtoOrBuilder p = viaProto ? proto : builder;
if (reservationId != null) {
return reservationId;
}
if (!p.hasReservationId()) {
return null;
}
reservationId = convertFromProtoFormat(p.getReservationId());
return reservationId;
}
@Override
public void setReservationId(ReservationId reservationId) {
maybeInitBuilder();
if (reservationId == null) {
builder.clearReservationId();
return;
}
this.reservationId = reservationId;
}
private ReservationIdPBImpl convertFromProtoFormat(ReservationIdProto p) {
return new ReservationIdPBImpl(p);
}
private ReservationIdProto convertToProtoFormat(ReservationId t) {
return ((ReservationIdPBImpl) t).getProto();
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

68
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationDeleteResponsePBImpl.java Normal file
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@ -0,0 +1,68 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationDeleteResponseProto;
import com.google.protobuf.TextFormat;
public class ReservationDeleteResponsePBImpl extends ReservationDeleteResponse {
ReservationDeleteResponseProto proto = ReservationDeleteResponseProto
.getDefaultInstance();
ReservationDeleteResponseProto.Builder builder = null;
boolean viaProto = false;
public ReservationDeleteResponsePBImpl() {
builder = ReservationDeleteResponseProto.newBuilder();
}
public ReservationDeleteResponsePBImpl(ReservationDeleteResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationDeleteResponseProto getProto() {
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

152
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationSubmissionRequestPBImpl.java Normal file
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@ -0,0 +1,152 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationDefinitionPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionRequestProtoOrBuilder;
import com.google.protobuf.TextFormat;
public class ReservationSubmissionRequestPBImpl extends
ReservationSubmissionRequest {
ReservationSubmissionRequestProto proto = ReservationSubmissionRequestProto
.getDefaultInstance();
ReservationSubmissionRequestProto.Builder builder = null;
boolean viaProto = false;
private ReservationDefinition reservationDefinition;
public ReservationSubmissionRequestPBImpl() {
builder = ReservationSubmissionRequestProto.newBuilder();
}
public ReservationSubmissionRequestPBImpl(
ReservationSubmissionRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationSubmissionRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationDefinition != null) {
builder
.setReservationDefinition(convertToProtoFormat(reservationDefinition));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationSubmissionRequestProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public ReservationDefinition getReservationDefinition() {
ReservationSubmissionRequestProtoOrBuilder p = viaProto ? proto : builder;
if (reservationDefinition != null) {
return reservationDefinition;
}
if (!p.hasReservationDefinition()) {
return null;
}
reservationDefinition =
convertFromProtoFormat(p.getReservationDefinition());
return reservationDefinition;
}
@Override
public void setReservationDefinition(
ReservationDefinition reservationDefinition) {
maybeInitBuilder();
if (reservationDefinition == null) {
builder.clearReservationDefinition();
}
this.reservationDefinition = reservationDefinition;
}
@Override
public String getQueue() {
ReservationSubmissionRequestProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasQueue()) {
return null;
}
return (p.getQueue());
}
@Override
public void setQueue(String planName) {
maybeInitBuilder();
if (planName == null) {
builder.clearQueue();
return;
}
builder.setQueue(planName);
}
private ReservationDefinitionProto convertToProtoFormat(
ReservationDefinition r) {
return ((ReservationDefinitionPBImpl) r).getProto();
}
private ReservationDefinitionPBImpl convertFromProtoFormat(
ReservationDefinitionProto r) {
return new ReservationDefinitionPBImpl(r);
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

129
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationSubmissionResponsePBImpl.java Normal file
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@ -0,0 +1,129 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationIdPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationSubmissionResponseProtoOrBuilder;
import com.google.protobuf.TextFormat;
public class ReservationSubmissionResponsePBImpl extends
ReservationSubmissionResponse {
ReservationSubmissionResponseProto proto = ReservationSubmissionResponseProto
.getDefaultInstance();
ReservationSubmissionResponseProto.Builder builder = null;
boolean viaProto = false;
private ReservationId reservationId;
public ReservationSubmissionResponsePBImpl() {
builder = ReservationSubmissionResponseProto.newBuilder();
}
public ReservationSubmissionResponsePBImpl(
ReservationSubmissionResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationSubmissionResponseProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationId != null) {
builder.setReservationId(convertToProtoFormat(this.reservationId));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationSubmissionResponseProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public ReservationId getReservationId() {
ReservationSubmissionResponseProtoOrBuilder p = viaProto ? proto : builder;
if (reservationId != null) {
return reservationId;
}
if (!p.hasReservationId()) {
return null;
}
reservationId = convertFromProtoFormat(p.getReservationId());
return reservationId;
}
@Override
public void setReservationId(ReservationId reservationId) {
maybeInitBuilder();
if (reservationId == null) {
builder.clearReservationId();
return;
}
this.reservationId = reservationId;
}
private ReservationIdPBImpl convertFromProtoFormat(ReservationIdProto p) {
return new ReservationIdPBImpl(p);
}
private ReservationIdProto convertToProtoFormat(ReservationId t) {
return ((ReservationIdPBImpl) t).getProto();
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

169
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationUpdateRequestPBImpl.java Normal file
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@ -0,0 +1,169 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationDefinitionPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationIdPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateRequestProtoOrBuilder;
import com.google.protobuf.TextFormat;
public class ReservationUpdateRequestPBImpl extends ReservationUpdateRequest {
ReservationUpdateRequestProto proto = ReservationUpdateRequestProto
.getDefaultInstance();
ReservationUpdateRequestProto.Builder builder = null;
boolean viaProto = false;
private ReservationDefinition reservationDefinition;
private ReservationId reservationId;
public ReservationUpdateRequestPBImpl() {
builder = ReservationUpdateRequestProto.newBuilder();
}
public ReservationUpdateRequestPBImpl(ReservationUpdateRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationUpdateRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationId != null) {
builder.setReservationId(convertToProtoFormat(this.reservationId));
}
if (this.reservationDefinition != null) {
builder
.setReservationDefinition(convertToProtoFormat(reservationDefinition));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationUpdateRequestProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public ReservationDefinition getReservationDefinition() {
ReservationUpdateRequestProtoOrBuilder p = viaProto ? proto : builder;
if (reservationDefinition != null) {
return reservationDefinition;
}
if (!p.hasReservationDefinition()) {
return null;
}
reservationDefinition =
convertFromProtoFormat(p.getReservationDefinition());
return reservationDefinition;
}
@Override
public void setReservationDefinition(
ReservationDefinition reservationDefinition) {
maybeInitBuilder();
if (reservationDefinition == null) {
builder.clearReservationDefinition();
}
this.reservationDefinition = reservationDefinition;
}
@Override
public ReservationId getReservationId() {
ReservationUpdateRequestProtoOrBuilder p = viaProto ? proto : builder;
if (reservationId != null) {
return reservationId;
}
if (!p.hasReservationId()) {
return null;
}
reservationId = convertFromProtoFormat(p.getReservationId());
return reservationId;
}
@Override
public void setReservationId(ReservationId reservationId) {
maybeInitBuilder();
if (reservationId == null) {
builder.clearReservationId();
return;
}
this.reservationId = reservationId;
}
private ReservationIdPBImpl convertFromProtoFormat(ReservationIdProto p) {
return new ReservationIdPBImpl(p);
}
private ReservationIdProto convertToProtoFormat(ReservationId t) {
return ((ReservationIdPBImpl) t).getProto();
}
private ReservationDefinitionProto convertToProtoFormat(
ReservationDefinition r) {
return ((ReservationDefinitionPBImpl) r).getProto();
}
private ReservationDefinitionPBImpl convertFromProtoFormat(
ReservationDefinitionProto r) {
return new ReservationDefinitionPBImpl(r);
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

68
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/ReservationUpdateResponsePBImpl.java Normal file
View File

@ -0,0 +1,68 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ReservationUpdateResponseProto;
import com.google.protobuf.TextFormat;
public class ReservationUpdateResponsePBImpl extends ReservationUpdateResponse {
ReservationUpdateResponseProto proto = ReservationUpdateResponseProto
.getDefaultInstance();
ReservationUpdateResponseProto.Builder builder = null;
boolean viaProto = false;
public ReservationUpdateResponsePBImpl() {
builder = ReservationUpdateResponseProto.newBuilder();
}
public ReservationUpdateResponsePBImpl(ReservationUpdateResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationUpdateResponseProto getProto() {
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
}

36
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationSubmissionContextPBImpl.java
View File

@ -57,6 +57,7 @@ public class ApplicationSubmissionContextPBImpl
private Resource resource = null;
private Set<String> applicationTags = null;
private LogAggregationContext logAggregationContext = null;
private ReservationId reservationId = null;
public ApplicationSubmissionContextPBImpl() {
builder = ApplicationSubmissionContextProto.newBuilder();
@ -114,10 +115,6 @@ private void mergeLocalToBuilder() {
builder.clearApplicationTags();
builder.addAllApplicationTags(this.applicationTags);
}
if (this.logAggregationContext != null) {
builder.setLogAggregationContext(
convertToProtoFormat(this.logAggregationContext));
}
}
private void mergeLocalToProto() {
@ -365,6 +362,29 @@ public void setResource(Resource resource) {
this.resource = resource;
}
@Override
public ReservationId getReservationID() {
ApplicationSubmissionContextProtoOrBuilder p = viaProto ? proto : builder;
if (reservationId != null) {
return reservationId;
}
if (!p.hasReservationId()) {
return null;
}
reservationId = convertFromProtoFormat(p.getReservationId());
return reservationId;
}
@Override
public void setReservationID(ReservationId reservationID) {
maybeInitBuilder();
if (reservationID == null) {
builder.clearReservationId();
return;
}
this.reservationId = reservationID;
}
@Override
public void
setKeepContainersAcrossApplicationAttempts(boolean keepContainers) {
@ -455,4 +475,12 @@ public void setLogAggregationContext(
builder.clearLogAggregationContext();
this.logAggregationContext = logAggregationContext;
}
private ReservationIdPBImpl convertFromProtoFormat(ReservationIdProto p) {
return new ReservationIdPBImpl(p);
}
private ReservationIdProto convertToProtoFormat(ReservationId t) {
return ((ReservationIdPBImpl) t).getProto();
}
}

17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java
View File

@ -34,6 +34,7 @@
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.QueueACL;
import org.apache.hadoop.yarn.api.records.QueueState;
import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.proto.YarnProtos.AMCommandProto;
@ -47,10 +48,12 @@
import org.apache.hadoop.yarn.proto.YarnProtos.NodeStateProto;
import org.apache.hadoop.yarn.proto.YarnProtos.QueueACLProto;
import org.apache.hadoop.yarn.proto.YarnProtos.QueueStateProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestInterpreterProto;
import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationAttemptStateProto;
import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationStateProto;
import com.google.protobuf.ByteString;
import org.apache.hadoop.yarn.proto.YarnServiceProtos;
@Private
@ -237,4 +240,18 @@ public static ApplicationAccessType convertFromProtoFormat(
return ApplicationAccessType.valueOf(e.name().replace(
APP_ACCESS_TYPE_PREFIX, ""));
}
/*
* Reservation Request interpreter type
*/
public static ReservationRequestInterpreterProto convertToProtoFormat(
ReservationRequestInterpreter e) {
return ReservationRequestInterpreterProto.valueOf(e.name());
}
public static ReservationRequestInterpreter convertFromProtoFormat(
ReservationRequestInterpreterProto e) {
return ReservationRequestInterpreter.valueOf(e.name());
}
}

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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records.impl.pb;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationRequests;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProtoOrBuilder;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestsProto;
public class ReservationDefinitionPBImpl extends ReservationDefinition {
ReservationDefinitionProto proto = ReservationDefinitionProto
.getDefaultInstance();
ReservationDefinitionProto.Builder builder = null;
boolean viaProto = false;
private ReservationRequests reservationReqs;
public ReservationDefinitionPBImpl() {
builder = ReservationDefinitionProto.newBuilder();
}
public ReservationDefinitionPBImpl(ReservationDefinitionProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationDefinitionProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationReqs != null) {
builder
.setReservationRequests(convertToProtoFormat(this.reservationReqs));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationDefinitionProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public long getArrival() {
ReservationDefinitionProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasArrival()) {
return 0;
}
return (p.getArrival());
}
@Override
public void setArrival(long earliestStartTime) {
maybeInitBuilder();
if (earliestStartTime <= 0) {
builder.clearArrival();
return;
}
builder.setArrival(earliestStartTime);
}
@Override
public long getDeadline() {
ReservationDefinitionProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasDeadline()) {
return 0;
}
return (p.getDeadline());
}
@Override
public void setDeadline(long latestEndTime) {
maybeInitBuilder();
if (latestEndTime <= 0) {
builder.clearDeadline();
return;
}
builder.setDeadline(latestEndTime);
}
@Override
public ReservationRequests getReservationRequests() {
ReservationDefinitionProtoOrBuilder p = viaProto ? proto : builder;
if (reservationReqs != null) {
return reservationReqs;
}
if (!p.hasReservationRequests()) {
return null;
}
reservationReqs = convertFromProtoFormat(p.getReservationRequests());
return reservationReqs;
}
@Override
public void setReservationRequests(ReservationRequests reservationRequests) {
if (reservationRequests == null) {
builder.clearReservationRequests();
return;
}
this.reservationReqs = reservationRequests;
}
@Override
public String getReservationName() {
ReservationDefinitionProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasReservationName()) {
return null;
}
return (p.getReservationName());
}
@Override
public void setReservationName(String name) {
maybeInitBuilder();
if (name == null) {
builder.clearReservationName();
return;
}
builder.setReservationName(name);
}
private ReservationRequestsPBImpl convertFromProtoFormat(
ReservationRequestsProto p) {
return new ReservationRequestsPBImpl(p);
}
private ReservationRequestsProto convertToProtoFormat(ReservationRequests t) {
return ((ReservationRequestsPBImpl) t).getProto();
}
@Override
public String toString() {
return "{Arrival: " + getArrival() + ", Deadline: " + getDeadline()
+ ", Reservation Name: " + getReservationName() + ", Resources: "
+ getReservationRequests() + "}";
}
}

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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records.impl.pb;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto;
import com.google.common.base.Preconditions;
@Private
@Unstable
public class ReservationIdPBImpl extends ReservationId {
ReservationIdProto proto = null;
ReservationIdProto.Builder builder = null;
public ReservationIdPBImpl() {
builder = ReservationIdProto.newBuilder();
}
public ReservationIdPBImpl(ReservationIdProto proto) {
this.proto = proto;
}
public ReservationIdProto getProto() {
return proto;
}
@Override
public long getId() {
Preconditions.checkNotNull(proto);
return proto.getId();
}
@Override
protected void setId(long id) {
Preconditions.checkNotNull(builder);
builder.setId(id);
}
@Override
public long getClusterTimestamp() {
Preconditions.checkNotNull(proto);
return proto.getClusterTimestamp();
}
@Override
protected void setClusterTimestamp(long clusterTimestamp) {
Preconditions.checkNotNull(builder);
builder.setClusterTimestamp((clusterTimestamp));
}
@Override
protected void build() {
proto = builder.build();
builder = null;
}
}

152
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records.impl.pb;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ReservationRequest;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestProtoOrBuilder;
import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
@Private
@Unstable
public class ReservationRequestPBImpl extends ReservationRequest {
ReservationRequestProto proto = ReservationRequestProto.getDefaultInstance();
ReservationRequestProto.Builder builder = null;
boolean viaProto = false;
private Resource capability = null;
public ReservationRequestPBImpl() {
builder = ReservationRequestProto.newBuilder();
}
public ReservationRequestPBImpl(ReservationRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.capability != null) {
builder.setCapability(convertToProtoFormat(this.capability));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationRequestProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public Resource getCapability() {
ReservationRequestProtoOrBuilder p = viaProto ? proto : builder;
if (this.capability != null) {
return this.capability;
}
if (!p.hasCapability()) {
return null;
}
this.capability = convertFromProtoFormat(p.getCapability());
return this.capability;
}
@Override
public void setCapability(Resource capability) {
maybeInitBuilder();
if (capability == null)
builder.clearCapability();
this.capability = capability;
}
@Override
public int getNumContainers() {
ReservationRequestProtoOrBuilder p = viaProto ? proto : builder;
return (p.getNumContainers());
}
@Override
public void setNumContainers(int numContainers) {
maybeInitBuilder();
builder.setNumContainers((numContainers));
}
@Override
public int getConcurrency() {
ReservationRequestProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasConcurrency()) {
return 1;
}
return (p.getConcurrency());
}
@Override
public void setConcurrency(int numContainers) {
maybeInitBuilder();
builder.setConcurrency(numContainers);
}
@Override
public long getDuration() {
ReservationRequestProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasDuration()) {
return 0;
}
return (p.getDuration());
}
@Override
public void setDuration(long duration) {
maybeInitBuilder();
builder.setDuration(duration);
}
private ResourcePBImpl convertFromProtoFormat(ResourceProto p) {
return new ResourcePBImpl(p);
}
private ResourceProto convertToProtoFormat(Resource t) {
return ((ResourcePBImpl) t).getProto();
}
@Override
public String toString() {
return "{Capability: " + getCapability() + ", # Containers: "
+ getNumContainers() + ", Concurrency: " + getConcurrency()
+ ", Lease Duration: " + getDuration() + "}";
}
}

189
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ReservationRequestsPBImpl.java Normal file
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.records.impl.pb;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.yarn.api.records.ReservationRequest;
import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
import org.apache.hadoop.yarn.api.records.ReservationRequests;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestInterpreterProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestsProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestsProtoOrBuilder;
public class ReservationRequestsPBImpl extends ReservationRequests {
ReservationRequestsProto proto = ReservationRequestsProto
.getDefaultInstance();
ReservationRequestsProto.Builder builder = null;
boolean viaProto = false;
public List<ReservationRequest> reservationRequests;
public ReservationRequestsPBImpl() {
builder = ReservationRequestsProto.newBuilder();
}
public ReservationRequestsPBImpl(ReservationRequestsProto proto) {
this.proto = proto;
viaProto = true;
}
public ReservationRequestsProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.reservationRequests != null) {
addReservationResourcesToProto();
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ReservationRequestsProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public List<ReservationRequest> getReservationResources() {
initReservationRequestsList();
return reservationRequests;
}
@Override
public void setReservationResources(List<ReservationRequest> resources) {
if (resources == null) {
builder.clearReservationResources();
return;
}
this.reservationRequests = resources;
}
@Override
public ReservationRequestInterpreter getInterpreter() {
ReservationRequestsProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasInterpreter()) {
return null;
}
return (convertFromProtoFormat(p.getInterpreter()));
}
@Override
public void setInterpreter(ReservationRequestInterpreter interpreter) {
maybeInitBuilder();
if (interpreter == null) {
builder.clearInterpreter();
return;
}
builder.setInterpreter(convertToProtoFormat(interpreter));
}
private void initReservationRequestsList() {
if (this.reservationRequests != null) {
return;
}
ReservationRequestsProtoOrBuilder p = viaProto ? proto : builder;
List<ReservationRequestProto> resourceProtos =
p.getReservationResourcesList();
reservationRequests = new ArrayList<ReservationRequest>();
for (ReservationRequestProto r : resourceProtos) {
reservationRequests.add(convertFromProtoFormat(r));
}
}
private void addReservationResourcesToProto() {
maybeInitBuilder();
builder.clearReservationResources();
if (reservationRequests == null)
return;
Iterable<ReservationRequestProto> iterable =
new Iterable<ReservationRequestProto>() {
@Override
public Iterator<ReservationRequestProto> iterator() {
return new Iterator<ReservationRequestProto>() {
Iterator<ReservationRequest> iter = reservationRequests
.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public ReservationRequestProto next() {
return convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
builder.addAllReservationResources(iterable);
}
private ReservationRequestProto convertToProtoFormat(ReservationRequest r) {
return ((ReservationRequestPBImpl) r).getProto();
}
private ReservationRequestPBImpl convertFromProtoFormat(
ReservationRequestProto r) {
return new ReservationRequestPBImpl(r);
}
private ReservationRequestInterpreterProto convertToProtoFormat(
ReservationRequestInterpreter r) {
return ProtoUtils.convertToProtoFormat(r);
}
private ReservationRequestInterpreter convertFromProtoFormat(
ReservationRequestInterpreterProto r) {
return ProtoUtils.convertFromProtoFormat(r);
}
@Override
public String toString() {
return "{Reservation Resources: " + getReservationResources()
+ ", Reservation Type: " + getInterpreter() + "}";
}
}

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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.util;
import java.util.Calendar;
import java.util.TimeZone;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Evolving;
/**
* Implementation of {@link Clock} that gives the current UTC time in
* milliseconds.
*/
@Public
@Evolving
public class UTCClock implements Clock {
private final TimeZone utcZone = TimeZone.getTimeZone("UTC");
public long getTime() {
return Calendar.getInstance(utcZone).getTimeInMillis();
}
}