Package org.ros.concurrent

Class WatchdogTimer

java.lang.Object

org.ros.concurrent.WatchdogTimer

public class WatchdogTimer
extends Object

A WatchdogTimer expects to receive a pulse() at least once every period units. Once per every period in which a pulse() is not received, the provided Runnable will be executed.

Author:

damonkohler@google.com (Damon Kohler)

Constructor Summary

Constructors

Constructor	Description
WatchdogTimer(ScheduledExecutorService scheduledExecutorService, long period, TimeUnit unit, Runnable runnable)

Method Summary

Modifier and Type	Method	Description
void	cancel()
void	pulse()
void	start()

Methods inherited from class java.lang.Object

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

Constructor Details

WatchdogTimer

public WatchdogTimer(ScheduledExecutorService scheduledExecutorService,
 long period,
 TimeUnit unit,
 Runnable runnable)

Method Details

start

public void start()

pulse

public void pulse()

cancel

public void cancel()