org.apache.reef.runtime.common.evaluator

Class PIDStoreStartHandler

java.lang.Object

org.apache.reef.runtime.common.evaluator.PIDStoreStartHandler

All Implemented Interfaces:

EventHandler<RuntimeStart>

@ThreadSafe
public final class PIDStoreStartHandler
extends Object
implements EventHandler<RuntimeStart>

This Handler writes the Process ID (PID) to a file with a name given in PID_FILE_NAME to the local working directory.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PID_FILE_NAME The file name of the PID file created in the current working directory of the process.

Method Summary

Methods

Modifier and Type	Method and Description
void	onNext(RuntimeStart startTime) This call is idempotent: It will only write the PID exactly once per instance.

Methods inherited from class java.lang.Object

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

Field Detail

PID_FILE_NAME

public static final String PID_FILE_NAME

The file name of the PID file created in the current working directory of the process.

See Also:

Constant Field Values

Method Detail

onNext

public void onNext(RuntimeStart startTime)

This call is idempotent: It will only write the PID exactly once per instance.

Specified by:

onNext in interface EventHandler<RuntimeStart>

Parameters:

startTime -