Package org.apache.hadoop.yarn.server.nodemanager.nodelabels

Class NodeLabelsProvider

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.nodemanager.nodelabels.AbstractNodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>

org.apache.hadoop.yarn.server.nodemanager.nodelabels.NodeLabelsProvider

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service, NodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>

Direct Known Subclasses:

ConfigurationNodeLabelsProvider, ScriptBasedNodeLabelsProvider

public abstract class NodeLabelsProvider
extends AbstractNodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>

Abstract class which will be responsible for fetching the node labels.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Field Summary

Fields inherited from class org.apache.hadoop.yarn.server.nodemanager.nodelabels.AbstractNodeDescriptorsProvider

DISABLE_NODE_DESCRIPTORS_PROVIDER_FETCH_TIMER, readLock, timerTask, writeLock

Constructor Summary

Constructors

Constructor	Description
NodeLabelsProvider(java.lang.String name)

Method Summary

Methods inherited from class org.apache.hadoop.yarn.server.nodemanager.nodelabels.AbstractNodeDescriptorsProvider

cleanUp, createTimerTask, getDescriptors, getIntervalTime, getScheduler, serviceInit, serviceStart, serviceStop, setDescriptors, setIntervalTime, verifyConfiguredScript

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NodeLabelsProvider

public NodeLabelsProvider(java.lang.String name)