com.notuvy.singleapp
Class DummyApp.Preemt

java.lang.Object
  com.notuvy.singleapp.DummyApp
      com.notuvy.singleapp.DummyApp.Preemt

All Implemented Interfaces:

Preemptable, Runnable

Enclosing class:

DummyApp

public static class DummyApp.Preemt
extends DummyApp
implements Preemptable

Nested Class Summary

Nested classes/interfaces inherited from class com.notuvy.singleapp.DummyApp

DummyApp.Defer, DummyApp.Preemt

Field Summary

Fields inherited from class com.notuvy.singleapp.DummyApp

alive, LOG

Constructor Summary

DummyApp.Preemt()

Method Summary

void	gracefulExitForPreempt() The final hook allowing the preempted application to shutdown gracefully.
void	recvFromPreempted(Object pObject) Callback to handle the situation where an earlier instance is running, and a this instance started and told it to die.
Serializable	sendToPreemptor() Callback to handle the situation where this instance is running, and a second instance started and told this one to die.

Methods inherited from class com.notuvy.singleapp.DummyApp

main, run

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Constructor Detail

DummyApp.Preemt

public DummyApp.Preemt()

Method Detail

gracefulExitForPreempt

public void gracefulExitForPreempt()

Description copied from interface: Preemptable

The final hook allowing the preempted application to shutdown gracefully.

Specified by:

gracefulExitForPreempt in interface Preemptable

sendToPreemptor

public Serializable sendToPreemptor()

Description copied from interface: Preemptable

Callback to handle the situation where this instance is running, and a second instance started and told this one to die. This method can contain any logic needed to handle handoff data between the two.

Specified by:

sendToPreemptor in interface Preemptable

Returns:

A serializable object that communicates the handoff from the dying application to the surviving one.

recvFromPreempted

public void recvFromPreempted(Object pObject)

Description copied from interface: Preemptable

Callback to handle the situation where an earlier instance is running, and a this instance started and told it to die. This method can contain any logic needed to handle handoff data between the two.

Specified by:

recvFromPreempted in interface Preemptable

Parameters:

pObject - A serializable object that communicates the handoff from the dying application to the surviving one.