net.sf.jrtps.util

Class Watchdog

java.lang.Object

net.sf.jrtps.util.Watchdog

public class Watchdog
extends Object

Watchdog class utilizes ScheduledExecutorService to provide applications watchdog functionality. Multiple Tasks may be given to be watched.

Author:

mcr70

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Watchdog.Listener Implementations of Listener interface gets called when Watchdog reset has been missed.
class	Watchdog.Task Watchdog Task.

Constructor Summary

Constructors

Constructor and Description
Watchdog(ScheduledExecutorService ses) Create Watchdog with given ScheduledExecutorService.

Method Summary

Modifier and Type	Method and Description
Watchdog.Task	addTask(long triggerTime, Watchdog.Listener listener) Adds a new Watchdog Task to executor.

Methods inherited from class java.lang.Object

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

Constructor Detail

Watchdog

public Watchdog(ScheduledExecutorService ses)

Create Watchdog with given ScheduledExecutorService.

Parameters:

ses - ScheduledExecutorService to be used with this Watchdog

Method Detail

addTask

public Watchdog.Task addTask(long triggerTime,
                             Watchdog.Listener listener)

Adds a new Watchdog Task to executor.

Parameters:

triggerTime - watchdog trigger time in milliseconds.

listener - A Listener, that will be called if application does not call Task.reset() before trigger time has elapsed.

Returns:

Task