org.springframework.yarn.am.container
Class AbstractLauncher.ContainerLauncherInterceptorList

java.lang.Object
  org.springframework.yarn.am.container.AbstractLauncher.ContainerLauncherInterceptorList

Enclosing class:

AbstractLauncher

protected class AbstractLauncher.ContainerLauncherInterceptorList
extends java.lang.Object

Convenient wrapper for interceptor list.

Constructor Summary

protected

AbstractLauncher.ContainerLauncherInterceptorList()

Method Summary

boolean	add(ContainerLauncherInterceptor interceptor) Adds interceptor to the list.
org.apache.hadoop.yarn.api.records.ContainerLaunchContext	preLaunch(org.apache.hadoop.yarn.api.records.ContainerLaunchContext context) Handles the pre launch calls.
boolean	set(java.util.List<ContainerLauncherInterceptor> interceptors) Sets the interceptors, clears any existing interceptors.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractLauncher.ContainerLauncherInterceptorList

protected AbstractLauncher.ContainerLauncherInterceptorList()

Method Detail

set

public boolean set(java.util.List<ContainerLauncherInterceptor> interceptors)

Sets the interceptors, clears any existing interceptors.

Parameters:

interceptors - the list of interceptors

Returns:

true if interceptor list changed as a result of the call

add

public boolean add(ContainerLauncherInterceptor interceptor)

Adds interceptor to the list.

Parameters:

interceptor - the interceptor

Returns:

true (as specified by Collection.add(E))

preLaunch

public org.apache.hadoop.yarn.api.records.ContainerLaunchContext preLaunch(org.apache.hadoop.yarn.api.records.ContainerLaunchContext context)

Handles the pre launch calls.

Parameters:

context - the container launch context

Returns:

the final modified context or null if interceptor broke the chain