org.apache.tez.common

Interface ServicePluginLifecycle

All Known Implementing Classes:

ContainerLauncher, TaskScheduler

@InterfaceAudience.Private
@InterfaceStability.Unstable
public interface ServicePluginLifecycle

Defines a lifecycle for a Service. The typical implementation for services when used within the Tez framework would be 1. Construct the object. 2. initialize() 3. start() stop() - is invoked when the service is no longer required, and could be invoked while in any state, in case of failures

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize() Perform any additional initialization which may be required beyond the constructor.
void	shutdown() Shutdown the service.
void	start() Start the service.

Method Detail

initialize

void initialize()
                throws Exception

Perform any additional initialization which may be required beyond the constructor.

Throws:

Exception

start

void start()
           throws Exception

Start the service. This will be invoked after initialization.

Throws:

Exception

shutdown

void shutdown()
              throws Exception

Shutdown the service. This will be invoked when the service is shutting down.

Throws:

Exception