org.apache.tez.dag.app.launcher

Class LocalContainerLauncher

java.lang.Object

org.apache.tez.serviceplugins.api.ContainerLauncher

org.apache.tez.dag.app.launcher.LocalContainerLauncher

All Implemented Interfaces:

org.apache.tez.common.ServicePluginLifecycle

public class LocalContainerLauncher
extends org.apache.tez.serviceplugins.api.ContainerLauncher

Runs the container task locally in a thread. Since all (sub)tasks share the same local directory, they must be executed sequentially in order to avoid creating/deleting the same files/dirs.

Constructor Summary

Constructors

Constructor and Description
LocalContainerLauncher(org.apache.tez.serviceplugins.api.ContainerLauncherContext containerLauncherContext, AppContext context, TaskCommunicatorManagerInterface taskCommunicatorManagerInterface, String workingDirectory, boolean isLocalMode)

Method Summary

Methods

Modifier and Type	Method and Description
void	launchContainer(org.apache.tez.serviceplugins.api.ContainerLaunchRequest launchRequest)
void	shutdown()
void	start()
void	stopContainer(org.apache.tez.serviceplugins.api.ContainerStopRequest stopRequest)

Methods inherited from class org.apache.tez.serviceplugins.api.ContainerLauncher

getContext, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalContainerLauncher

public LocalContainerLauncher(org.apache.tez.serviceplugins.api.ContainerLauncherContext containerLauncherContext,
                      AppContext context,
                      TaskCommunicatorManagerInterface taskCommunicatorManagerInterface,
                      String workingDirectory,
                      boolean isLocalMode)
                       throws UnknownHostException

Throws:

UnknownHostException

Method Detail

start

public void start()
           throws Exception

Specified by:

start in interface org.apache.tez.common.ServicePluginLifecycle

Overrides:

start in class org.apache.tez.serviceplugins.api.ContainerLauncher

Throws:

Exception

shutdown

public void shutdown()
              throws Exception

Specified by:

shutdown in interface org.apache.tez.common.ServicePluginLifecycle

Overrides:

shutdown in class org.apache.tez.serviceplugins.api.ContainerLauncher

Throws:

Exception

launchContainer

public void launchContainer(org.apache.tez.serviceplugins.api.ContainerLaunchRequest launchRequest)

Specified by:

launchContainer in class org.apache.tez.serviceplugins.api.ContainerLauncher

stopContainer

public void stopContainer(org.apache.tez.serviceplugins.api.ContainerStopRequest stopRequest)

Specified by:

stopContainer in class org.apache.tez.serviceplugins.api.ContainerLauncher