diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java index 751d9af093f..09efe41e0c2 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java @@ -91,6 +91,8 @@ public class ContainerLogAppender extends FileAppender /** * Getter/Setter methods for log4j. + * + * @return containerLogDir. */ public String getContainerLogDir() { @@ -118,6 +120,8 @@ public class ContainerLogAppender extends FileAppender /** * Setter so that log4j can configure it from the * configuration(log4j.properties). + * + * @param logSize log size. */ public void setTotalLogFileSize(long logSize) { maxEvents = (int)(logSize / EVENT_SIZE); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java index 7dd712e156b..f0e00fc1940 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java @@ -54,6 +54,8 @@ public class ContainerRollingLogAppender extends RollingFileAppender /** * Getter/Setter methods for log4j. + * + * @return containerLogDir. */ public String getContainerLogDir() { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AutoRefreshNoHARMFailoverProxyProvider.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AutoRefreshNoHARMFailoverProxyProvider.java index f81fe1649b0..cc20214169d 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AutoRefreshNoHARMFailoverProxyProvider.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AutoRefreshNoHARMFailoverProxyProvider.java @@ -73,7 +73,7 @@ public class AutoRefreshNoHARMFailoverProxyProvider /** * Stop the current proxy when performFailover. - * @param currentProxy + * @param currentProxy currentProxy. */ @Override public synchronized void performFailover(T currentProxy) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java index c56f9b30c8e..35b1906698b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java @@ -65,7 +65,7 @@ public class ClientRMProxy extends RMProxy { * @param protocol Client protocol for which proxy is being requested. * @param Type of proxy. * @return Proxy to the ResourceManager for the specified client protocol. - * @throws IOException + * @throws IOException io error occur. */ public static T createRMProxy(final Configuration configuration, final Class protocol) throws IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/DefaultNoHARMFailoverProxyProvider.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/DefaultNoHARMFailoverProxyProvider.java index e5197cfd1a4..d64d1a37913 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/DefaultNoHARMFailoverProxyProvider.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/DefaultNoHARMFailoverProxyProvider.java @@ -80,7 +80,7 @@ public class DefaultNoHARMFailoverProxyProvider /** * PerformFailover does nothing in this class. - * @param currentProxy + * @param currentProxy currentProxy. */ @Override public void performFailover(T currentProxy) { @@ -89,7 +89,7 @@ public class DefaultNoHARMFailoverProxyProvider /** * Close the current proxy. - * @throws IOException + * @throws IOException io error occur. */ @Override public void close() throws IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java index 95c8f2a01ce..a2ea992aeea 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java @@ -70,6 +70,8 @@ public class RMProxy { /** * Verify the passed protocol is supported. + * + * @param protocol protocol. */ @Private public void checkAllowedProtocols(Class protocol) {} @@ -77,6 +79,11 @@ public class RMProxy { /** * Get the ResourceManager address from the provided Configuration for the * given protocol. + * + * @param conf configuration. + * @param protocol protocol. + * @return inet socket address. + * @throws IOException io error occur. */ @Private public InetSocketAddress getRMAddress( @@ -91,6 +98,13 @@ public class RMProxy { * this is a direct connection to the ResourceManager address. When HA is * enabled, the proxy handles the failover between the ResourceManagers as * well. + * + * @param configuration configuration. + * @param protocol protocol. + * @param instance RMProxy instance. + * @param Generic T. + * @return RMProxy. + * @throws IOException io error occur. */ @Private protected static T createRMProxy(final Configuration configuration, @@ -108,6 +122,15 @@ public class RMProxy { * this is a direct connection to the ResourceManager address. When HA is * enabled, the proxy handles the failover between the ResourceManagers as * well. + * + * @param configuration configuration. + * @param protocol protocol. + * @param instance RMProxy instance. + * @param retryTime retry Time. + * @param retryInterval retry Interval. + * @param Generic T. + * @return RMProxy. + * @throws IOException io error occur. */ @Private protected static T createRMProxy(final Configuration configuration, @@ -136,6 +159,13 @@ public class RMProxy { /** * Get a proxy to the RM at the specified address. To be used to create a * RetryProxy. + * + * @param conf configuration. + * @param protocol protocol. + * @param rmAddress rmAddress. + * @param Generic T. + * @return RM proxy. + * @throws IOException io error occur. */ @Private public T getProxy(final Configuration conf, @@ -195,7 +225,11 @@ public class RMProxy { } /** - * Fetch retry policy from Configuration + * Fetch retry policy from Configuration. + * + * @param conf configuration. + * @param isHAEnabled is HA enabled. + * @return RetryPolicy. */ @Private @VisibleForTesting @@ -218,6 +252,12 @@ public class RMProxy { /** * Fetch retry policy from Configuration and create the * retry policy with specified retryTime and retry interval. + * + * @param conf configuration. + * @param retryTime retry time. + * @param retryInterval retry interval. + * @param isHAEnabled is HA enabled. + * @return RetryPolicy. */ protected static RetryPolicy createRetryPolicy(Configuration conf, long retryTime, long retryInterval, boolean isHAEnabled) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java index b9f72484a5d..38c31599b16 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java @@ -255,6 +255,9 @@ public abstract class AppAdminClient extends CompositeService { * * @param appName the name of the application. * @param componentInstances the name of the component instances. + * @return exit code. + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public @Unstable @@ -267,6 +270,9 @@ public abstract class AppAdminClient extends CompositeService { * * @param appName the name of the application. * @param components the name of the components. + * @return exit code. + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public @Unstable @@ -279,6 +285,9 @@ public abstract class AppAdminClient extends CompositeService { * @param appName the name of the application. * @param userName the name of the user. * @return exit code + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. + * @throws InterruptedException if interrupted. */ @Public @Unstable @@ -297,6 +306,8 @@ public abstract class AppAdminClient extends CompositeService { * @param appName the name of the application * @param fileName specification of application upgrade to save. * @return exit code + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public @Unstable @@ -308,8 +319,8 @@ public abstract class AppAdminClient extends CompositeService { * * @param appName the name of the application * @return exit code - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public @Unstable @@ -321,6 +332,9 @@ public abstract class AppAdminClient extends CompositeService { * * @param appName the name of the application. * @param componentInstances the name of the component instances. + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. + * @return exit code. */ @Public @Unstable diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java index 4835239a920..68e44ffc815 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java @@ -114,8 +114,8 @@ public abstract class TimelineClient extends CompositeService implements * * @param domain * an {@link TimelineDomain} object - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public public abstract void putDomain( @@ -133,8 +133,8 @@ public abstract class TimelineClient extends CompositeService implements * @param domain * an {@link TimelineDomain} object * @param appAttemptId {@link ApplicationAttemptId} - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public public abstract void putDomain(ApplicationAttemptId appAttemptId, @@ -151,8 +151,8 @@ public abstract class TimelineClient extends CompositeService implements * securely talking to the timeline server * @return a delegation token ({@link Token}) that can be used to talk to the * timeline server - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public public abstract Token getDelegationToken( @@ -166,8 +166,8 @@ public abstract class TimelineClient extends CompositeService implements * @param timelineDT * the delegation token to renew * @return the new expiration time - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public public abstract long renewDelegationToken( @@ -181,8 +181,8 @@ public abstract class TimelineClient extends CompositeService implements * * @param timelineDT * the delegation token to cancel - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ @Public public abstract void cancelDelegationToken( diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineReaderClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineReaderClient.java index f73c2d37330..3c450f46e6b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineReaderClient.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineReaderClient.java @@ -42,6 +42,8 @@ public abstract class TimelineReaderClient extends CompositeService { /** * Create a new instance of Timeline Reader Client. + * + * @return instance of Timeline Reader Client. */ @InterfaceAudience.Public public static TimelineReaderClient createTimelineReaderClient() { @@ -59,7 +61,7 @@ public abstract class TimelineReaderClient extends CompositeService { * @param fields Fields to be fetched. Defaults to INFO. * @param filters Filters to be applied while fetching entities. * @return entity of the application - * @throws IOException + * @throws IOException io error occur. */ public abstract TimelineEntity getApplicationEntity( ApplicationId appId, String fields, Map filters) @@ -71,7 +73,7 @@ public abstract class TimelineReaderClient extends CompositeService { * @param fields Fields to be fetched. Defaults to INFO. * @param filters Filters to be applied while fetching entities. * @return entity associated with application attempt - * @throws IOException + * @throws IOException io error occur. */ public abstract TimelineEntity getApplicationAttemptEntity( ApplicationAttemptId appAttemptId, String fields, @@ -85,7 +87,7 @@ public abstract class TimelineReaderClient extends CompositeService { * @param limit Number of entities to return. * @param fromId Retrieve next set of generic ids from given fromId * @return list of application attempt entities - * @throws IOException + * @throws IOException io error occur. */ public abstract List getApplicationAttemptEntities( ApplicationId appId, String fields, Map filters, @@ -97,7 +99,7 @@ public abstract class TimelineReaderClient extends CompositeService { * @param fields Fields to be fetched. Defaults to INFO. * @param filters Filters to be applied while fetching entities. * @return timeline entity for container - * @throws IOException + * @throws IOException io error occur. */ public abstract TimelineEntity getContainerEntity( ContainerId containerId, String fields, Map filters) @@ -111,7 +113,7 @@ public abstract class TimelineReaderClient extends CompositeService { * @param limit Number of entities to return. * @param fromId Retrieve next set of generic ids from given fromId * @return list of entities - * @throws IOException + * @throws IOException io error occur. */ public abstract List getContainerEntities( ApplicationId appId, String fields, diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/RPCUtil.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/RPCUtil.java index 088c2fc95bd..b9f77510ab8 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/RPCUtil.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/RPCUtil.java @@ -22,24 +22,28 @@ import java.io.IOException; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; -import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceAudience.LimitedPrivate; import org.apache.hadoop.ipc.RemoteException; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.thirdparty.protobuf.ServiceException; -@InterfaceAudience.LimitedPrivate({ "MapReduce", "YARN" }) +@LimitedPrivate({ "MapReduce", "YARN" }) public class RPCUtil { /** - * Returns an instance of {@link YarnException} + * Returns an instance of {@link YarnException}. + * @param t instance of Throwable. + * @return instance of YarnException. */ public static YarnException getRemoteException(Throwable t) { return new YarnException(t); } /** - * Returns an instance of {@link YarnException} + * Returns an instance of {@link YarnException}. + * @param message yarn exception message. + * @return instance of YarnException. */ public static YarnException getRemoteException(String message) { return new YarnException(message); @@ -92,6 +96,8 @@ public class RPCUtil { * ServiceException * @return An instance of the actual exception, which will be a subclass of * {@link YarnException} or {@link IOException} + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ public static Void unwrapAndThrowException(ServiceException se) throws IOException, YarnException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java index 5a49f9ff501..fc0b71e6a42 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java @@ -919,6 +919,7 @@ public class AggregatedLogFormat { * @param logUploadedTime the log uploaded time stamp * @param logType the given log type * @throws IOException if we can not read the container logs + * @return If logType contains fileType, return 1, otherwise return 0. */ public static int readContainerLogsForALogType( DataInputStream valueStream, PrintStream out, long logUploadedTime, @@ -934,7 +935,9 @@ public class AggregatedLogFormat { * @param out the output print stream * @param logUploadedTime the log uploaded time stamp * @param logType the given log type + * @param bytes log bytes. * @throws IOException if we can not read the container logs + * @return If logType contains fileType, return 1, otherwise return 0. */ public static int readContainerLogsForALogType( DataInputStream valueStream, PrintStream out, long logUploadedTime, diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/AttributeValue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/AttributeValue.java index d1d75cf1e92..9e95a2e6426 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/AttributeValue.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/AttributeValue.java @@ -34,8 +34,8 @@ public interface AttributeValue { * validate the value based on the type and initialize for further compare * operations. * - * @param value - * @throws IOException + * @param value value. + * @throws IOException io error occur. */ void validateAndInitializeValue(String value) throws IOException; @@ -43,8 +43,8 @@ public interface AttributeValue { * compare the value against the other based on the * AttributeExpressionOperation. * - * @param other - * @param op + * @param other attribute value. + * @param op attribute expression operation. * @return true if value other matches the current value for the * operation op. */ diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.java index 7417b9a1c5e..a3dfcafba6d 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.java @@ -337,10 +337,11 @@ public class CommonNodeLabelsManager extends AbstractService { } /** - * Add multiple node labels to repository + * Add multiple node labels to repository. * * @param labels * new node labels added + * @throws IOException io error occur. */ @VisibleForTesting public void addToCluserNodeLabelsWithDefaultExclusivity(Set labels) @@ -394,9 +395,10 @@ public class CommonNodeLabelsManager extends AbstractService { } /** - * add more labels to nodes + * add more labels to nodes. * * @param addedLabelsToNode node {@literal ->} labels map + * @throws IOException io error occur. */ public void addLabelsToNode(Map> addedLabelsToNode) throws IOException { @@ -466,7 +468,7 @@ public class CommonNodeLabelsManager extends AbstractService { * * @param labelsToRemove * node labels to remove - * @throws IOException + * @throws IOException io error occur. */ public void removeFromClusterNodeLabels(Collection labelsToRemove) throws IOException { @@ -707,7 +709,7 @@ public class CommonNodeLabelsManager extends AbstractService { if (null != dispatcher && isCentralizedNodeLabelConfiguration) { // In case of DistributedNodeLabelConfiguration or - // DelegatedCentralizedNodeLabelConfiguration, no need to save the the + // DelegatedCentralizedNodeLabelConfiguration, no need to save the // NodeLabels Mapping to the back-end store, as on RM restart/failover // NodeLabels are collected from NM through Register/Heartbeat again // in case of DistributedNodeLabelConfiguration and collected from @@ -727,9 +729,10 @@ public class CommonNodeLabelsManager extends AbstractService { /** * remove labels from nodes, labels being removed most be contained by these - * nodes + * nodes. * * @param removeLabelsFromNode node {@literal ->} labels map + * @throws IOException io error occur. */ public void removeLabelsFromNode(Map> removeLabelsFromNode) @@ -784,6 +787,7 @@ public class CommonNodeLabelsManager extends AbstractService { * replace labels to nodes * * @param replaceLabelsToNode node {@literal ->} labels map + * @throws IOException io error occur. */ public void replaceLabelsOnNode(Map> replaceLabelsToNode) throws IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributeStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributeStore.java index 8e9f9ff9f0f..f55c66abac3 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributeStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributeStore.java @@ -35,7 +35,7 @@ public interface NodeAttributeStore extends Closeable { * Replace labels on node. * * @param nodeToAttribute node to attribute list. - * @throws IOException + * @throws IOException io error occur. */ void replaceNodeAttributes(List nodeToAttribute) throws IOException; @@ -44,7 +44,7 @@ public interface NodeAttributeStore extends Closeable { * Add attribute to node. * * @param nodeToAttribute node to attribute list. - * @throws IOException + * @throws IOException io error occur. */ void addNodeAttributes(List nodeToAttribute) throws IOException; @@ -53,7 +53,7 @@ public interface NodeAttributeStore extends Closeable { * Remove attribute from node. * * @param nodeToAttribute node to attribute list. - * @throws IOException + * @throws IOException io error occur. */ void removeNodeAttributes(List nodeToAttribute) throws IOException; @@ -62,16 +62,16 @@ public interface NodeAttributeStore extends Closeable { * Initialize based on configuration and NodeAttributesManager. * * @param configuration configuration instance. - * @param mgr nodeattributemanager instance. - * @throws Exception + * @param mgr node attribute manager instance. + * @throws Exception exception occurs. */ void init(Configuration configuration, NodeAttributesManager mgr) throws Exception; /** - * Recover store on resourcemanager startup. - * @throws IOException - * @throws YarnException + * Recover store on resource manager startup. + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ void recover() throws IOException, YarnException; } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributesManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributesManager.java index a4c90a420a9..23675794ced 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributesManager.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeAttributesManager.java @@ -58,8 +58,8 @@ public abstract class NodeAttributesManager extends AbstractService { * impacting other existing attribute mapping. Key would be name of the node * and value would be set of Attributes to be mapped. * - * @param nodeAttributeMapping - * @throws IOException + * @param nodeAttributeMapping host name to a set of node attributes mapping. + * @throws IOException io error occur. */ public abstract void addNodeAttributes( Map> nodeAttributeMapping) throws IOException; @@ -69,8 +69,8 @@ public abstract class NodeAttributesManager extends AbstractService { * impacting other existing attribute mapping. Key would be name of the node * and value would be set of Attributes to be removed. * - * @param nodeAttributeMapping - * @throws IOException + * @param nodeAttributeMapping host name to a set of node attributes mapping. + * @throws IOException io error occur. */ public abstract void removeNodeAttributes( Map> nodeAttributeMapping) throws IOException; @@ -93,6 +93,7 @@ public abstract class NodeAttributesManager extends AbstractService { * If the attributeKeys set is null or empty, then mapping for all attributes * are returned. * + * @param attributes attributes set. * @return a Map of attributeKeys to a map of hostnames to its attribute * values. */ @@ -103,6 +104,7 @@ public abstract class NodeAttributesManager extends AbstractService { /** * NodeAttribute to AttributeValue Map. * + * @param hostName host name. * @return Map of NodeAttribute to AttributeValue. */ public abstract Map getAttributesForNode( @@ -111,6 +113,7 @@ public abstract class NodeAttributesManager extends AbstractService { /** * Get All node to Attributes list based on filter. * + * @param prefix filter prefix set. * @return List of NodeToAttributes matching filter. If empty * or null is passed as argument will return all. */ @@ -120,6 +123,7 @@ public abstract class NodeAttributesManager extends AbstractService { /** * Get all node to Attributes mapping. * + * @param hostNames host names. * @return Map of String to Set of nodesToAttributes matching * filter. If empty or null is passed as argument will return all. */ diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java index 02f2188bfc8..f33a30e0f2b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java @@ -133,8 +133,8 @@ public final class NodeLabelUtil { *
  • Missing prefix: the attribute doesn't have prefix defined
    • *
  • Malformed attribute prefix: the prefix is not in valid format
    • * - * @param attributeSet - * @throws IOException + * @param attributeSet node attribute set. + * @throws IOException io error occur. */ public static void validateNodeAttributes(Set attributeSet) throws IOException { @@ -179,6 +179,9 @@ public final class NodeLabelUtil { /** * Are these two input node attributes the same. + * + * @param leftNodeAttributes left node attribute. + * @param rightNodeAttributes right node attribute. * @return true if they are the same */ public static boolean isNodeAttributesEquals( diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelsStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelsStore.java index e4efd68f92b..aac3a767d07 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelsStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelsStore.java @@ -37,18 +37,24 @@ public interface NodeLabelsStore extends Closeable { /** * Store node {@literal ->} label. + * @param nodeToLabels node to labels mapping. + * @throws IOException io error occur. */ void updateNodeToLabelsMappings( Map> nodeToLabels) throws IOException; /** * Store new labels. + * @param labels labels. + * @throws IOException io error occur. */ - void storeNewClusterNodeLabels(List label) + void storeNewClusterNodeLabels(List labels) throws IOException; /** * Remove labels. + * @param labels labels. + * @throws IOException io error occur. */ void removeClusterNodeLabels(Collection labels) throws IOException; @@ -60,8 +66,8 @@ public interface NodeLabelsStore extends Closeable { * ignoreNodeToLabelsMappings will be set to true and recover will be invoked * as RM will collect the node labels from NM through registration/HB. * - * @throws IOException - * @throws YarnException + * @throws IOException io error occur. + * @throws YarnException exceptions from yarn servers. */ void recover() throws IOException, YarnException; diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/FSStoreOpHandler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/FSStoreOpHandler.java index 59a1860e315..15d4efc03e6 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/FSStoreOpHandler.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/FSStoreOpHandler.java @@ -100,7 +100,7 @@ public class FSStoreOpHandler { /** * Get mirror operation of store Type. * - * @param storeType + * @param storeType storeType. * @return instance of FSNodeStoreLogOp. */ public static FSNodeStoreLogOp getMirrorOp(StoreType storeType) { @@ -108,9 +108,9 @@ public class FSStoreOpHandler { } /** - * Will return StoreOp instance basead on opCode and StoreType. - * @param opCode - * @param storeType + * Will return StoreOp instance based on opCode and StoreType. + * @param opCode opCode. + * @param storeType storeType. * @return instance of FSNodeStoreLogOp. */ public static FSNodeStoreLogOp get(int opCode, StoreType storeType) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/StoreOp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/StoreOp.java index e0b26da82e7..44c22255599 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/StoreOp.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/store/StoreOp.java @@ -34,7 +34,7 @@ public interface StoreOp { * * @param write write to be done to * @param mgr manager used by store - * @throws IOException + * @throws IOException io error occur. */ void write(W write, M mgr) throws IOException; @@ -43,7 +43,7 @@ public interface StoreOp { * * @param read read to be done from * @param mgr manager used by store - * @throws IOException + * @throws IOException io error occur. */ void recover(R read, M mgr) throws IOException; } \ No newline at end of file diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java index f425e8dfe40..b29e7e6fe08 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java @@ -418,7 +418,8 @@ public class ContainerTokenIdentifier extends TokenIdentifier { } } /** - * Get the node-label-expression in the original ResourceRequest + * Get the node-label-expression in the original ResourceRequest. + * @return node label expression. */ public String getNodeLabelExpression() { if (proto.hasNodeLabelExpression()) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/YarnAuthorizationProvider.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/YarnAuthorizationProvider.java index c6cabdbff74..d69f9abfc5e 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/YarnAuthorizationProvider.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/YarnAuthorizationProvider.java @@ -79,6 +79,7 @@ public abstract class YarnAuthorizationProvider { /** * Initialize the provider. Invoked on daemon startup. DefaultYarnAuthorizer is * initialized based on configurations. + * @param conf configuration. */ public abstract void init(Configuration conf); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/security/ApplicationACLsManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/security/ApplicationACLsManager.java index e7741754899..af7867ca898 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/security/ApplicationACLsManager.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/security/ApplicationACLsManager.java @@ -88,10 +88,11 @@ public class ApplicationACLsManager { *
  • For all other users/groups application-acls are checked
    • * * - * @param callerUGI - * @param applicationAccessType - * @param applicationOwner - * @param applicationId + * @param callerUGI UserGroupInformation for the user. + * @param applicationAccessType Application Access Type. + * @param applicationOwner Application Owner. + * @param applicationId ApplicationId. + * @return true if the user has permission, false otherwise. */ public boolean checkAccess(UserGroupInformation callerUGI, ApplicationAccessType applicationAccessType, String applicationOwner, diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksum.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksum.java index 7e6fddaa263..ca442873c44 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksum.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksum.java @@ -37,7 +37,7 @@ public interface SharedCacheChecksum { * * @param in InputStream to be checksumed * @return the message digest of the input stream - * @throws IOException + * @throws IOException io error occur. */ public String computeChecksum(InputStream in) throws IOException; } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksumFactory.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksumFactory.java index cbfd95db5b9..4397634c8f7 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksumFactory.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/sharedcache/SharedCacheChecksumFactory.java @@ -58,8 +58,9 @@ public class SharedCacheChecksumFactory { /** * Get a new SharedCacheChecksum object based on the configurable * algorithm implementation - * (see yarn.sharedcache.checksum.algo.impl) + * (see yarn.sharedcache.checksum.algo.impl). * + * @param conf configuration. * @return SharedCacheChecksum object */ public static SharedCacheChecksum getChecksum(Configuration conf) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/StateMachineFactory.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/StateMachineFactory.java index 4bb005c0536..e7660c14b73 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/StateMachineFactory.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/StateMachineFactory.java @@ -60,7 +60,7 @@ final public class StateMachineFactory * Constructor * * This is the only constructor in the API. - * + * @param defaultInitialState default initial state. */ public StateMachineFactory(STATE defaultInitialState) { this.transitionsListNode = null; diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/VisualizeStateMachine.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/VisualizeStateMachine.java index 16203976e33..fa3831d341e 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/VisualizeStateMachine.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/VisualizeStateMachine.java @@ -27,9 +27,13 @@ import org.apache.hadoop.classification.InterfaceAudience.Private; public class VisualizeStateMachine { /** + * get Graph From Classes. + * + * @param graphName graphName. * @param classes list of classes which have static field * stateMachineFactory of type StateMachineFactory * @return graph represent this StateMachine + * @throws Exception exception occurs. */ public static Graph getGraphFromClasses(String graphName, List classes) throws Exception { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Apps.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Apps.java index a53ae039781..3075ac626ab 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Apps.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Apps.java @@ -229,6 +229,8 @@ public class Apps { * This older version of this method is kept around for compatibility * because downstream frameworks like Spark and Tez have been using it. * Downstream frameworks are expected to move off of it. + * @param env the environment to update. + * @param envString String containing env variable definitions. */ @Deprecated public static void setEnvFromInputString(Map env, @@ -255,6 +257,10 @@ public class Apps { * This older version of this method is kept around for compatibility * because downstream frameworks like Spark and Tez have been using it. * Downstream frameworks are expected to move off of it. + * + * @param environment map of environment variable. + * @param variable variable. + * @param value value. */ @Deprecated public static void addToEnvironment( diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ConverterUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ConverterUtils.java index 67bc2b74fd1..d4647a14a27 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ConverterUtils.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ConverterUtils.java @@ -57,7 +57,8 @@ public class ConverterUtils { * @param url * url to convert * @return path from {@link URL} - * @throws URISyntaxException + * @throws URISyntaxException exception thrown to indicate that a string could not be parsed as a + * URI reference. */ @Public @Deprecated @@ -171,6 +172,7 @@ public class ConverterUtils { * * @param protoToken the yarn token * @param serviceAddr the connect address for the service + * @param Generic Type T. * @return rpc token */ public static Token convertFromYarn( @@ -191,6 +193,8 @@ public class ConverterUtils { * * @param protoToken the yarn token * @param service the service for the token + * @param Generic Type T. + * @return rpc token */ public static Token convertFromYarn( org.apache.hadoop.yarn.api.records.Token protoToken, diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/DockerClientConfigHandler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/DockerClientConfigHandler.java index 91002e40d6a..b1a186e8a87 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/DockerClientConfigHandler.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/DockerClientConfigHandler.java @@ -131,6 +131,7 @@ public final class DockerClientConfigHandler { * * @param tokens the Tokens from the ContainerLaunchContext. * @return the Credentials object populated from the Tokens. + * @throws IOException io error occur. */ public static Credentials getCredentialsFromTokensByteBuffer( ByteBuffer tokens) throws IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java index 56808c75ff6..fe4a8446192 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java @@ -123,10 +123,13 @@ public class FSDownload implements Callable { * Creates the cache loader for the status loading cache. This should be used * to create an instance of the status cache that is passed into the * FSDownload constructor. + * + * @param conf configuration. + * @return cache loader for the status loading cache. */ - public static CacheLoader> + public static CacheLoader> createStatusCacheLoader(final Configuration conf) { - return new CacheLoader>() { + return new CacheLoader>() { public Future load(Path path) { try { FileSystem fs = path.getFileSystem(conf); @@ -141,14 +144,19 @@ public class FSDownload implements Callable { /** * Returns a boolean to denote whether a cache file is visible to all (public) - * or not + * or not. * + * @param fs fileSystem. + * @param current current path. + * @param sStat file status. + * @param statCache stat cache. * @return true if the path in the current path is visible to all, false * otherwise + * @throws IOException io error occur. */ @Private public static boolean isPublic(FileSystem fs, Path current, FileStatus sStat, - LoadingCache> statCache) throws IOException { + LoadingCache> statCache) throws IOException { current = fs.makeQualified(current); //the leaf level file should be readable by others if (!checkPublicPermsForAll(fs, sStat, FsAction.READ_EXECUTE, FsAction.READ)) { @@ -455,7 +463,7 @@ public class FSDownload implements Callable { * Change to 755 or 700 for dirs, 555 or 500 for files. * @param fs FileSystem * @param path Path to modify perms for - * @throws IOException + * @throws IOException io error occur. * @throws InterruptedException */ private void changePermissions(FileSystem fs, final Path path) diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java index 470594d853b..5a518dff7e5 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java @@ -579,6 +579,9 @@ public class ProcfsBasedProcessTree extends ResourceCalculatorProcessTree { /** * Returns boolean indicating whether pid * is in process tree. + * + * @param pid pid. + * @return if true, processTree contains pid, false, processTree does not contain pid. */ public boolean contains(String pid) { return processTree.containsKey(pid); @@ -1000,9 +1003,9 @@ public class ProcfsBasedProcessTree extends ResourceCalculatorProcessTree { } /** - * Test the {@link ProcfsBasedProcessTree} + * Test the {@link ProcfsBasedProcessTree}. * - * @param args + * @param args the pid arg. */ public static void main(String[] args) { if (args.length != 1) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/RackResolver.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/RackResolver.java index 65f0fa62cd8..1ba18d212d4 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/RackResolver.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/RackResolver.java @@ -79,8 +79,8 @@ public final class RackResolver { * Utility method for getting a hostname resolved to a node in the * network topology. This method initializes the class with the * right resolver implementation. - * @param conf - * @param hostName + * @param conf configuration. + * @param hostName hostname. * @return node {@link Node} after resolving the hostname */ public static Node resolve(Configuration conf, String hostName) { @@ -92,8 +92,8 @@ public final class RackResolver { * Utility method for getting a list of hostname resolved to a list of node * in the network topology. This method initializes the class with the * right resolver implementation. - * @param conf - * @param hostNames + * @param conf configuration. + * @param hostNames list of hostName. * @return nodes {@link Node} after resolving the hostnames */ public static List resolve( @@ -106,7 +106,7 @@ public final class RackResolver { * Utility method for getting a hostname resolved to a node in the * network topology. This method doesn't initialize the class. * Call {@link #init(Configuration)} explicitly. - * @param hostName + * @param hostName host name. * @return node {@link Node} after resolving the hostname */ public static Node resolve(String hostName) { @@ -120,7 +120,7 @@ public final class RackResolver { * Utility method for getting a list of hostname resolved to a list of node * in the network topology. This method doesn't initialize the class. * Call {@link #init(Configuration)} explicitly. - * @param hostNames + * @param hostNames list of hostNames. * @return nodes {@link Node} after resolving the hostnames */ public static List resolve(List hostNames) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/StringHelper.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/StringHelper.java index 54ba886eaed..462ae634912 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/StringHelper.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/StringHelper.java @@ -67,7 +67,7 @@ public final class StringHelper { } /** - * Join on dot + * Join on dot. * @param args to join * @return args joined by dot */ @@ -76,7 +76,7 @@ public final class StringHelper { } /** - * Join on underscore + * Join on underscore. * @param args to join * @return args joined underscore */ @@ -85,7 +85,7 @@ public final class StringHelper { } /** - * Join on slash + * Join on slash. * @param args to join * @return args joined with slash */ @@ -103,8 +103,8 @@ public final class StringHelper { } /** - * Join without separator - * @param args + * Join without separator. + * @param args to join. * @return joined args with no separator */ public static String join(Object... args) { @@ -131,7 +131,7 @@ public final class StringHelper { } /** - * Split on _ and trim results + * Split on _ and trim results. * @param s the string to split * @return an iterable of strings */ @@ -140,7 +140,7 @@ public final class StringHelper { } /** - * Check whether a url is absolute or note + * Check whether a url is absolute or note. * @param url to check * @return true if url starts with scheme:// or // */ @@ -149,7 +149,7 @@ public final class StringHelper { } /** - * Join url components + * Join url components. * @param pathPrefix for relative urls * @param args url components to join * @return an url string diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/TrackingUriPlugin.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/TrackingUriPlugin.java index d29e52fee80..1199a5de9f3 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/TrackingUriPlugin.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/TrackingUriPlugin.java @@ -38,7 +38,8 @@ public abstract class TrackingUriPlugin extends Configured { * Given an application ID, return a tracking URI. * @param id the ID for which a URI is returned * @return the tracking URI - * @throws URISyntaxException + * @throws URISyntaxException exception thrown to indicate that a string could not be parsed as a + * URI reference. */ public abstract URI getTrackingUri(ApplicationId id) throws URISyntaxException; diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/YarnVersionInfo.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/YarnVersionInfo.java index 18654920216..c2dccb3dc57 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/YarnVersionInfo.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/YarnVersionInfo.java @@ -80,6 +80,8 @@ public class YarnVersionInfo extends VersionInfo { /** * Get the subversion URL for the root YARN directory. + * + * @return URL for the root YARN directory. */ public static String getUrl() { return YARN_VERSION_INFO._getUrl(); @@ -88,14 +90,18 @@ public class YarnVersionInfo extends VersionInfo { /** * Get the checksum of the source files from which YARN was * built. - **/ + * + * @return srcChecksum. + */ public static String getSrcChecksum() { return YARN_VERSION_INFO._getSrcChecksum(); } /** * Returns the buildVersion which includes version, - * revision, user and date. + * revision, user and date. + * + * @return buildVersion. */ public static String getBuildVersion(){ return YARN_VERSION_INFO._getBuildVersion(); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceCalculator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceCalculator.java index 05850137c74..089d1933978 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceCalculator.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceCalculator.java @@ -91,13 +91,13 @@ public abstract class ResourceCalculator { /** * Divides lhs by rhs. - * If both lhs and rhs are having a value of 0, then we return 0. + * + * @param lhs left number. + * @param rhs right number. + * @return If both lhs and rhs are having a value of 0, then we return 0. * This is to avoid division by zero and return NaN as a result. * If lhs is zero but rhs is not, Float.infinity will be returned * as the result. - * @param lhs - * @param rhs - * @return */ public static float divideSafelyAsFloat(long lhs, long rhs) { if (lhs == 0 && rhs == 0) { @@ -263,6 +263,9 @@ public abstract class ResourceCalculator { /** * Check if a smaller resource can be contained by bigger resource. + * @param smaller smaller resource. + * @param bigger bigger resource. + * @return if true, smaller resource can be contained by bigger resource; false otherwise. */ public abstract boolean fitsIn(Resource smaller, Resource bigger); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java index 9b96fd72b9a..c39490909c4 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java @@ -20,7 +20,7 @@ package org.apache.hadoop.yarn.util.resource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceAudience.LimitedPrivate; import org.apache.hadoop.classification.InterfaceAudience.Private; import org.apache.hadoop.classification.InterfaceStability.Unstable; import org.apache.hadoop.yarn.api.records.Resource; @@ -31,7 +31,7 @@ import org.apache.hadoop.yarn.exceptions.ResourceNotFoundException; * Resources is a computation class which provides a set of apis to do * mathematical operations on Resource object. */ -@InterfaceAudience.LimitedPrivate({ "YARN", "MapReduce" }) +@LimitedPrivate({ "YARN", "MapReduce" }) @Unstable public class Resources { @@ -316,7 +316,11 @@ public class Resources { /** * Multiply {@code rhs} by {@code by}, and add the result to {@code lhs} - * without creating any new {@link Resource} object + * without creating any new {@link Resource} object. + * @param lhs {@link Resource} to subtract from. + * @param rhs {@link Resource} to subtract. + * @param by multiplier. + * @return instance of Resource. */ public static Resource multiplyAndAddTo( Resource lhs, Resource rhs, double by) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/timeline/TimelineUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/timeline/TimelineUtils.java index 46b37412716..14b9b0ceb7d 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/timeline/TimelineUtils.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/timeline/TimelineUtils.java @@ -66,9 +66,9 @@ public class TimelineUtils { * @param o * an object to serialize * @return a JSON string - * @throws IOException - * @throws JsonMappingException - * @throws JsonGenerationException + * @throws IOException io error occur. + * @throws JsonMappingException exception used to signal fatal problems with mapping of content. + * @throws JsonGenerationException exception type for exceptions during JSON writing. */ public static String dumpTimelineRecordtoJSON(Object o) throws JsonGenerationException, JsonMappingException, IOException { @@ -83,9 +83,9 @@ public class TimelineUtils { * @param pretty * whether in a pretty format or not * @return a JSON string - * @throws IOException - * @throws JsonMappingException - * @throws JsonGenerationException + * @throws IOException io error occur. + * @throws JsonMappingException exception used to signal fatal problems with mapping of content. + * @throws JsonGenerationException exception type for exceptions during JSON writing. */ public static String dumpTimelineRecordtoJSON(Object o, boolean pretty) throws JsonGenerationException, JsonMappingException, IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletGen.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletGen.java index 0a8f016ac32..ff8094c9780 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletGen.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletGen.java @@ -73,7 +73,7 @@ public class HamletGen { * @param implClass a generic hamlet implementation. e.g. {@link HamletImpl} * @param outputName name of the output class. e.g. {@link Hamlet} * @param outputPkg package name of the output class. - * @throws IOException + * @throws IOException io error occur. */ public void generate(Class specClass, Class implClass, String outputName, String outputPkg) throws IOException { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletSpec.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletSpec.java index 8aeba93f098..518a22c154b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletSpec.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet2/HamletSpec.java @@ -1251,7 +1251,7 @@ public class HamletSpec { /** * Add a TEXTAREA element. - * @param selector + * @param selector the css selector in the form of (#id)*(.class)* * @return a new TEXTAREA element builder */ TEXTAREA textarea(String selector); @@ -2080,13 +2080,13 @@ public class HamletSpec { */ public interface INS extends Attrs, Flow, _Child { /** info on reason for change - * @param uri + * @param uri the URI. * @return the current element builder */ INS $cite(String uri); /** date and time of change - * @param datetime + * @param datetime the time. * @return the current element builder */ INS $datetime(String datetime); @@ -2103,7 +2103,7 @@ public class HamletSpec { DEL $cite(String uri); /** date and time of change - * @param datetime the time + * @param datetime the time. * @return the current element builder */ DEL $datetime(String datetime); @@ -2205,13 +2205,13 @@ public class HamletSpec { public interface FORM extends Attrs, _Child, /* (%block;|SCRIPT)+ -(FORM) */ _Script, _Block, _FieldSet { /** server-side form handler - * @param uri + * @param uri the URI. * @return the current element builder */ FORM $action(String uri); /** HTTP method used to submit the form - * @param method + * @param method method. * @return the current element builder */ FORM $method(Method method); @@ -2220,37 +2220,37 @@ public class HamletSpec { * contentype for "POST" method. * The default is "application/x-www-form-urlencoded". * Use "multipart/form-data" for input type=file - * @param enctype + * @param enctype enctype. * @return the current element builder */ FORM $enctype(String enctype); /** list of MIME types for file upload - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ FORM $accept(String cdata); /** name of form for scripting - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ FORM $name(String cdata); /** the form was submitted - * @param script + * @param script to invoke. * @return the current element builder */ FORM $onsubmit(String script); /** the form was reset - * @param script + * @param script to invoke. * @return the current element builder */ FORM $onreset(String script); /** (space and/or comma separated) list of supported charsets - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ FORM $accept_charset(String cdata); @@ -2262,25 +2262,25 @@ public class HamletSpec { public interface LABEL extends Attrs, _Child, /* (%inline;)* -(LABEL) */ PCData, FontStyle, Phrase, Special, _FormCtrl { /** matches field ID value - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ LABEL $for(String cdata); /** accessibility key character - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ LABEL $accesskey(String cdata); /** the element got the focus - * @param script + * @param script to invoke. * @return the current element builder */ LABEL $onfocus(String script); /** the element lost the focus - * @param script + * @param script to invoke. * @return the current element builder */ LABEL $onblur(String script); @@ -2292,19 +2292,19 @@ public class HamletSpec { @Element(endTag=false) public interface INPUT extends Attrs, _Child { /** what kind of widget is needed. default is "text". - * @param inputType + * @param inputType input value. * @return the current element builder */ INPUT $type(InputType inputType); /** submit as part of form - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ INPUT $name(String cdata); /** Specify for radio buttons and checkboxes - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ INPUT $value(String cdata); @@ -2325,25 +2325,25 @@ public class HamletSpec { INPUT $readonly(); /** specific to each type of field - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ INPUT $size(String cdata); /** max chars for text fields - * @param length + * @param length max chars length. * @return the current element builder */ INPUT $maxlength(int length); /** for fields with images - * @param uri + * @param uri the URI. * @return the current element builder */ INPUT $src(String uri); /** short description - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ INPUT $alt(String cdata); @@ -2355,43 +2355,43 @@ public class HamletSpec { INPUT $ismap(); /** position in tabbing order - * @param index + * @param index the index * @return the current element builder */ INPUT $tabindex(int index); /** accessibility key character - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ INPUT $accesskey(String cdata); /** the element got the focus - * @param script + * @param script to invoke. * @return the current element builder */ INPUT $onfocus(String script); /** the element lost the focus - * @param script + * @param script to invoke. * @return the current element builder */ INPUT $onblur(String script); /** some text was selected - * @param script + * @param script to invoke. * @return the current element builder */ INPUT $onselect(String script); /** the element value was changed - * @param script + * @param script to invoke. * @return the current element builder */ INPUT $onchange(String script); /** list of MIME types for file upload (csv) - * @param contentTypes + * @param contentTypes content types. * @return the current element builder */ INPUT $accept(String contentTypes); @@ -2426,13 +2426,13 @@ public class HamletSpec { OPTGROUP optgroup(); /** field name - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ SELECT $name(String cdata); /** rows visible - * @param rows + * @param rows number of rows. * @return the current element builder */ SELECT $size(int rows); @@ -2448,25 +2448,25 @@ public class HamletSpec { SELECT $disabled(); /** position in tabbing order - * @param index + * @param index the index * @return the current element builder */ SELECT $tabindex(int index); /** the element got the focus - * @param script + * @param script to invoke. * @return the current element builder */ SELECT $onfocus(String script); /** the element lost the focus - * @param script + * @param script to invoke. * @return the current element builder */ SELECT $onblur(String script); /** the element value was changed - * @param script + * @param script to invoke. * @return the current element builder */ SELECT $onchange(String script); @@ -2482,7 +2482,7 @@ public class HamletSpec { OPTGROUP $disabled(); /** for use in hierarchical menus - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ OPTGROUP $label(String cdata); @@ -2504,13 +2504,13 @@ public class HamletSpec { OPTION $disabled(); /** for use in hierarchical menus - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ OPTION $label(String cdata); /** defaults to element content - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ OPTION $value(String cdata); @@ -2521,19 +2521,19 @@ public class HamletSpec { */ public interface TEXTAREA extends Attrs, PCData, _Child { /** variable name for the text - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ TEXTAREA $name(String cdata); /** visible rows - * @param rows + * @param rows number of rows. * @return the current element builder */ TEXTAREA $rows(int rows); /** visible columns - * @param cols + * @param cols number of cols. * @return the current element builder */ TEXTAREA $cols(int cols); @@ -2549,37 +2549,37 @@ public class HamletSpec { TEXTAREA $readonly(); /** position in tabbing order - * @param index + * @param index the index * @return the current element builder */ TEXTAREA $tabindex(int index); /** accessibility key character - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ TEXTAREA $accesskey(String cdata); /** the element got the focus - * @param script + * @param script to invoke. * @return the current element builder */ TEXTAREA $onfocus(String script); /** the element lost the focus - * @param script + * @param script to invoke. * @return the current element builder */ TEXTAREA $onblur(String script); /** some text was selected - * @param script + * @param script to invoke. * @return the current element builder */ TEXTAREA $onselect(String script); /** the element value was changed - * @param script + * @param script to invoke. * @return the current element builder */ TEXTAREA $onchange(String script); @@ -2597,7 +2597,7 @@ public class HamletSpec { /** * Add a LEGEND element. - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ _Legend legend(String cdata); @@ -2614,7 +2614,7 @@ public class HamletSpec { */ public interface LEGEND extends Attrs, Inline, _Child { /** accessibility key character - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ LEGEND $accesskey(String cdata); @@ -2626,19 +2626,19 @@ public class HamletSpec { public interface BUTTON extends /* (%flow;)* -(A|%formctrl|FORM|FIELDSET) */ _Block, PCData, FontStyle, Phrase, _Special, _ImgObject, _SubSup, Attrs { /** name of the value - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ BUTTON $name(String cdata); /** sent to server when submitted - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ BUTTON $value(String cdata); /** for use as form button - * @param type + * @param type button type. * @return the current element builder */ BUTTON $type(ButtonType type); @@ -2649,25 +2649,25 @@ public class HamletSpec { BUTTON $disabled(); /** position in tabbing order - * @param index + * @param index the index * @return the current element builder */ BUTTON $tabindex(int index); /** accessibility key character - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ BUTTON $accesskey(String cdata); /** the element got the focus - * @param script + * @param script to invoke. * @return the current element builder */ BUTTON $onfocus(String script); /** the element lost the focus - * @param script + * @param script to invoke. * @return the current element builder */ BUTTON $onblur(String script); @@ -2721,7 +2721,7 @@ public class HamletSpec { /** * Add a CAPTION element. - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ _Table caption(String cdata); @@ -2813,7 +2813,7 @@ public class HamletSpec { @Element(endTag=false) public interface COLGROUP extends Attrs, _TableCol, _Child { /** default number of columns in group. default: 1 - * @param cols + * @param cols number of cols. * @return the current element builder */ COLGROUP $span(int cols); @@ -2827,7 +2827,7 @@ public class HamletSpec { @Element(endTag=false) public interface COL extends Attrs, _Child { /** COL attributes affect N columns. default: 1 - * @param cols + * @param cols number of cols. * @return the current element builder */ COL $span(int cols); @@ -2896,25 +2896,25 @@ public class HamletSpec { // use $title for elaberation, when appropriate. // $axis omitted. use scope. /** space-separated list of id's for header cells - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ _Cell $headers(String cdata); /** scope covered by header cells - * @param scope + * @param scope scope. * @return the current element builder */ _Cell $scope(Scope scope); /** number of rows spanned by cell. default: 1 - * @param rows + * @param rows number of rows. * @return the current element builder */ _Cell $rowspan(int rows); /** number of cols spanned by cell. default: 1 - * @param cols + * @param cols number of cols. * @return the current element builder */ _Cell $colspan(int cols); @@ -2959,7 +2959,7 @@ public class HamletSpec { /** * Add a complete BASE element. - * @param uri + * @param uri the URI. * @return the current element builder */ _Head base(String uri); @@ -2984,7 +2984,7 @@ public class HamletSpec { @Element(endTag=false) public interface BASE extends _Child { /** URI that acts as base URI - * @param uri + * @param uri the URI. * @return the current element builder */ BASE $href(String uri); @@ -2996,19 +2996,19 @@ public class HamletSpec { @Element(endTag=false) public interface META extends I18nAttrs, _Child { /** HTTP response header name - * @param header + * @param header for the http-equiv attribute * @return the current element builder */ META $http_equiv(String header); /** metainformation name - * @param name + * @param name of the meta element * @return the current element builder */ META $name(String name); /** associated information - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ META $content(String cdata); @@ -3021,19 +3021,19 @@ public class HamletSpec { */ public interface STYLE extends I18nAttrs, _Content, _Child { /** content type of style language - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ STYLE $type(String cdata); /** designed for use with these media - * @param media + * @param media set of media. * @return the current element builder */ STYLE $media(EnumSet media); /** advisory title - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ STYLE $title(String cdata); @@ -3044,25 +3044,25 @@ public class HamletSpec { */ public interface SCRIPT extends _Content, _Child { /** char encoding of linked resource - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ SCRIPT $charset(String cdata); /** content type of script language - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ SCRIPT $type(String cdata); /** URI for an external script - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ SCRIPT $src(String cdata); /** UA may defer execution of script - * @param cdata + * @param cdata the content of the element. * @return the current element builder */ SCRIPT $defer(String cdata); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebAppUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebAppUtils.java index 5b578197100..02fec115059 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebAppUtils.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebAppUtils.java @@ -95,6 +95,13 @@ public class WebAppUtils { * Runs a certain function against the active RM. The function's first * argument is expected to be a string which contains the address of * the RM being tried. + * @param conf configuration. + * @param func throwing bi function. + * @param arg T arg. + * @param Generic T. + * @param Generic R. + * @throws Exception exception occurs. + * @return instance of Generic R. */ public static R execOnActiveRM(Configuration conf, ThrowingBiFunction func, T arg) throws Exception { @@ -389,7 +396,7 @@ public class WebAppUtils { * if url has scheme then it will be returned as it is else it will return * url with scheme. * @param schemePrefix eg. http:// or https:// - * @param url + * @param url url. * @return url with scheme */ public static String getURLWithScheme(String schemePrefix, String url) { @@ -428,7 +435,8 @@ public class WebAppUtils { /** * Choose which scheme (HTTP or HTTPS) to use when generating a URL based on * the configuration. - * + * + * @param conf configuration. * @return the scheme (HTTP / HTTPS) */ public static String getHttpSchemePrefix(Configuration conf) { @@ -438,6 +446,8 @@ public class WebAppUtils { /** * Load the SSL keystore / truststore into the HttpServer builder. * @param builder the HttpServer2.Builder to populate with ssl config + * @return HttpServer2.Builder instance (passed in as the first parameter) + * after loading SSL stores */ public static HttpServer2.Builder loadSslConfiguration( HttpServer2.Builder builder) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebServiceClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebServiceClient.java index 3f61645461b..39cc2e361f1 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebServiceClient.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/util/WebServiceClient.java @@ -46,8 +46,8 @@ public class WebServiceClient { * Construct a new WebServiceClient based on the configuration. It will try to * load SSL certificates when it is specified. * - * @param conf - * @throws Exception + * @param conf configuration. + * @throws Exception exception occur. */ public static void initialize(Configuration conf) throws Exception { if (instance == null) { @@ -75,9 +75,9 @@ public class WebServiceClient { /** * Start SSL factory. * - * @param conf - * @return - * @throws Exception + * @param conf configuration. + * @return SSL factory. + * @throws Exception exception occur. */ private static SSLFactory createSSLFactory(Configuration conf) throws Exception {