YARN-5559. Analyse 2.8.0/3.0.0 jdiff reports and fix any issues. Contributed by Akira Ajisaka & Wangda Tan

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetClusterNodeLabelsResponse.java

@@ -18,7 +18,9 @@
 
 package org.apache.hadoop.yarn.api.protocolrecords;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
@@ -28,18 +30,48 @@ import org.apache.hadoop.yarn.util.Records;
 @Public
 @Evolving
 public abstract class GetClusterNodeLabelsResponse {
-  public static GetClusterNodeLabelsResponse newInstance(List<NodeLabel> labels) {
-    GetClusterNodeLabelsResponse request =
-        Records.newRecord(GetClusterNodeLabelsResponse.class);
-    request.setNodeLabels(labels);
-    return request;
+  /**
+   * Creates a new instance.
+   *
+   * @param labels Node labels
+   * @return response
+   * @deprecated Use {@link #newInstance(List)} instead.
+   */
+  @Deprecated
+  public static GetClusterNodeLabelsResponse newInstance(Set<String> labels) {
+    List<NodeLabel> list = new ArrayList<>();
+    for (String label : labels) {
+      list.add(NodeLabel.newInstance(label));
+    }
+    return newInstance(list);
   }
 
-  @Public
-  @Evolving
-  public abstract void setNodeLabels(List<NodeLabel> labels);
+  public static GetClusterNodeLabelsResponse newInstance(List<NodeLabel> labels) {
+    GetClusterNodeLabelsResponse response =
+        Records.newRecord(GetClusterNodeLabelsResponse.class);
+    response.setNodeLabelList(labels);
+    return response;
+  }
 
-  @Public
-  @Evolving
-  public abstract List<NodeLabel> getNodeLabels();
+  public abstract void setNodeLabelList(List<NodeLabel> labels);
+
+  public abstract List<NodeLabel> getNodeLabelList();
+
+  /**
+   * Set node labels to the response.
+   *
+   * @param labels Node labels
+   * @deprecated Use {@link #setNodeLabelList(List)} instead.
+   */
+  @Deprecated
+  public abstract void setNodeLabels(Set<String> labels);
+
+  /**
+   * Get node labels of the response.
+   *
+   * @return Node labels
+   * @deprecated Use {@link #getNodeLabelList()} instead.
+   */
+  @Deprecated
+  public abstract Set<String> getNodeLabels();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/YarnClientImpl.java

@@ -899,7 +899,7 @@ public class YarnClientImpl extends YarnClient {
   @Override
   public List<NodeLabel> getClusterNodeLabels() throws YarnException, IOException {
     return rmClient.getClusterNodeLabels(
-        GetClusterNodeLabelsRequest.newInstance()).getNodeLabels();
+        GetClusterNodeLabelsRequest.newInstance()).getNodeLabelList();
   }
 
   @Override

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/GetClusterNodeLabelsResponsePBImpl.java

@@ -19,7 +19,9 @@
 package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse;
 import org.apache.hadoop.yarn.api.records.NodeLabel;
@@ -46,7 +48,7 @@ public class GetClusterNodeLabelsResponsePBImpl extends
     viaProto = true;
   }
 
-  public GetClusterNodeLabelsResponseProto getProto() {
+  public synchronized GetClusterNodeLabelsResponseProto getProto() {
     mergeLocalToProto();
     proto = viaProto ? proto : builder.build();
     viaProto = true;
@@ -101,14 +103,43 @@ public class GetClusterNodeLabelsResponsePBImpl extends
   }
 
   @Override
-  public void setNodeLabels(List<NodeLabel> updatedNodeLabels) {
+  public synchronized void setNodeLabelList(List<NodeLabel> nodeLabels) {
     maybeInitBuilder();
     this.updatedNodeLabels = new ArrayList<>();
-    if (updatedNodeLabels == null) {
+    if (nodeLabels == null) {
       builder.clearNodeLabels();
       return;
     }
-    this.updatedNodeLabels.addAll(updatedNodeLabels);
+    this.updatedNodeLabels.addAll(nodeLabels);
+  }
+
+  /**
+   * @deprecated Use {@link #getNodeLabelList()} instead.
+   */
+  @Override
+  @Deprecated
+  public synchronized Set<String> getNodeLabels() {
+    Set<String> set = new HashSet<>();
+    List<NodeLabel> labelList = getNodeLabelList();
+    if (labelList != null) {
+      for (NodeLabel label : labelList) {
+        set.add(label.getName());
+      }
+    }
+    return set;
+  }
+
+  /**
+   * @deprecated Use {@link #setNodeLabelList(List)} instead.
+   */
+  @Override
+  @Deprecated
+  public void setNodeLabels(Set<String> labels) {
+    List<NodeLabel> list = new ArrayList<>();
+    for (String s : labels) {
+      list.add(NodeLabel.newInstance(s));
+    }
+    setNodeLabelList(list);
   }
 
   private void initLocalNodeLabels() {
@@ -121,7 +152,7 @@ public class GetClusterNodeLabelsResponsePBImpl extends
   }
 
   @Override
-  public List<NodeLabel> getNodeLabels() {
+  public synchronized List<NodeLabel> getNodeLabelList() {
     if (this.updatedNodeLabels != null) {
       return this.updatedNodeLabels;
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java

@@ -73,6 +73,31 @@ public class ContainerTokenIdentifier extends TokenIdentifier {
         CommonNodeLabelsManager.NO_LABEL, ContainerType.TASK);
   }
 
+  /**
+   * Creates a instance.
+   *
+   * @param appSubmitter appSubmitter
+   * @param containerID container ID
+   * @param creationTime creation time
+   * @param expiryTimeStamp expiry timestamp
+   * @param hostName hostname
+   * @param logAggregationContext log aggregation context
+   * @param masterKeyId master key ID
+   * @param priority priority
+   * @param r resource needed by the container
+   * @param rmIdentifier ResourceManager identifier
+   * @deprecated Use one of the other constructors instead.
+   */
+  @Deprecated
+  public ContainerTokenIdentifier(ContainerId containerID, String hostName,
+      String appSubmitter, Resource r, long expiryTimeStamp, int masterKeyId,
+      long rmIdentifier, Priority priority, long creationTime,
+      LogAggregationContext logAggregationContext) {
+    this(containerID, hostName, appSubmitter, r, expiryTimeStamp, masterKeyId,
+        rmIdentifier, priority, creationTime, logAggregationContext,
+        CommonNodeLabelsManager.NO_LABEL);
+  }
+
   public ContainerTokenIdentifier(ContainerId containerID, String hostName,
       String appSubmitter, Resource r, long expiryTimeStamp, int masterKeyId,
       long rmIdentifier, Priority priority, long creationTime,

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/InvalidStateTransitionException.java

@@ -20,7 +20,6 @@ package org.apache.hadoop.yarn.state;
 
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
-import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 
 /**
  * The exception that happens when you call invalid state transition.
@@ -28,24 +27,13 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
  */
 @Public
 @Evolving
-public class InvalidStateTransitionException extends YarnRuntimeException {
+@SuppressWarnings("deprecation")
+public class InvalidStateTransitionException extends
+    InvalidStateTransitonException {
 
-  private static final long serialVersionUID = -6188669113571351684L;
-  private Enum<?> currentState;
-  private Enum<?> event;
+  private static final long serialVersionUID = 8610511635996283691L;
 
   public InvalidStateTransitionException(Enum<?> currentState, Enum<?> event) {
-    super("Invalid event: " + event + " at " + currentState);
-    this.currentState = currentState;
-    this.event = event;
+    super(currentState, event);
   }
-
-  public Enum<?> getCurrentState() {
-    return currentState;
-  }
-
-  public Enum<?> getEvent() {
-    return event;
-  }
-
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/InvalidStateTransitonException.java

@@ -20,20 +20,31 @@ package org.apache.hadoop.yarn.state;
 
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
+import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 
 /** @deprecated Use {@link InvalidStateTransitionException} instead. */
 
 @Public
 @Evolving
 @Deprecated
-public class InvalidStateTransitonException extends
-    InvalidStateTransitionException {
+public class InvalidStateTransitonException extends YarnRuntimeException {
 
-  private static final long serialVersionUID = 8610511635996283691L;
+  private static final long serialVersionUID = -6188669113571351684L;
+  private Enum<?> currentState;
+  private Enum<?> event;
 
   public InvalidStateTransitonException(Enum<?> currentState, Enum<?> event) {
-    super(currentState, event);
+    super("Invalid event: " + event + " at " + currentState);
+    this.currentState = currentState;
+    this.event = event;
   }
 
+  public Enum<?> getCurrentState() {
+    return currentState;
+  }
+
+  public Enum<?> getEvent() {
+    return event;
+  }
 
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java

@@ -1534,7 +1534,7 @@ public class TestClientRMService {
     // Get node labels collection
     GetClusterNodeLabelsResponse response = client
         .getClusterNodeLabels(GetClusterNodeLabelsRequest.newInstance());
-    Assert.assertTrue(response.getNodeLabels().containsAll(
+    Assert.assertTrue(response.getNodeLabelList().containsAll(
         Arrays.asList(labelX, labelY)));
 
     // Get node labels mapping
@@ -1605,7 +1605,7 @@ public class TestClientRMService {
     // Get node labels collection
     GetClusterNodeLabelsResponse response = client
         .getClusterNodeLabels(GetClusterNodeLabelsRequest.newInstance());
-    Assert.assertTrue(response.getNodeLabels().containsAll(
+    Assert.assertTrue(response.getNodeLabelList().containsAll(
         Arrays.asList(labelX, labelY, labelZ)));
 
     // Get labels to nodes mapping