NeverRestartPolicy (Apache Hadoop YARN Services Core 3.5.0 API)

java.lang.Object

org.apache.hadoop.yarn.service.component.NeverRestartPolicy

All Implemented Interfaces:: ComponentRestartPolicy

public final class NeverRestartPolicy extends Object implements ComponentRestartPolicy

Policy for components with instances that do not require/support a restart.

Method Summary

Modifier and Type

Method

Description

boolean

allowContainerRetriesForInstance(ComponentInstance componentInstance)

boolean

allowUpgrades()

static NeverRestartPolicy

getInstance()

boolean

hasCompleted(Component component)

boolean

hasCompletedSuccessfully(Component component)

boolean

isLongLived()

boolean

isReadyForDownStream(Component dependentComponent)

boolean

shouldRelaunchInstance(ComponentInstance componentInstance, org.apache.hadoop.yarn.api.records.ContainerStatus containerStatus)

boolean

shouldTerminate(Component component)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- getInstance
  
  public static NeverRestartPolicy getInstance()
- isLongLived
  
  public boolean isLongLived()
  
  Specified by:
  
  isLongLived in interface ComponentRestartPolicy
- hasCompleted
  
  public boolean hasCompleted(Component component)
  
  Specified by:
  
  hasCompleted in interface ComponentRestartPolicy
- hasCompletedSuccessfully
  
  public boolean hasCompletedSuccessfully(Component component)
  
  Specified by:
  
  hasCompletedSuccessfully in interface ComponentRestartPolicy
- shouldRelaunchInstance
  
  public boolean shouldRelaunchInstance(ComponentInstance componentInstance, org.apache.hadoop.yarn.api.records.ContainerStatus containerStatus)
  
  Specified by:
  
  shouldRelaunchInstance in interface ComponentRestartPolicy
- isReadyForDownStream
  
  public boolean isReadyForDownStream(Component dependentComponent)
  
  Specified by:
  
  isReadyForDownStream in interface ComponentRestartPolicy
- allowUpgrades
  
  public boolean allowUpgrades()
  
  Specified by:
  
  allowUpgrades in interface ComponentRestartPolicy
- shouldTerminate
  
  public boolean shouldTerminate(Component component)
  
  Specified by:
  
  shouldTerminate in interface ComponentRestartPolicy
- allowContainerRetriesForInstance
  
  public boolean allowContainerRetriesForInstance(ComponentInstance componentInstance)
  
  Specified by:
  
  allowContainerRetriesForInstance in interface ComponentRestartPolicy