Class Watchdog

  • All Implemented Interfaces:

    public class Watchdog
    extends java.lang.Object
    implements java.lang.Runnable
    Generalization of ExecuteWatchdog
    Ant 1.5
    See Also:
    • Field Summary

      Modifier and Type Field Description
      static java.lang.String ERROR_INVALID_TIMEOUT
      Error string.
    • Constructor Summary

      Constructor Description
      Watchdog​(long timeout)
      Constructor for Watchdog.
    • Field Detail


        public static final java.lang.String ERROR_INVALID_TIMEOUT
        Error string. "timeout less than 1."
        See Also:
        Constant Field Values
    • Constructor Detail

      • Watchdog

        public Watchdog​(long timeout)
        Constructor for Watchdog.
        timeout - the timeout to use in milliseconds (must be >= 1).
    • Method Detail

      • addTimeoutObserver

        public void addTimeoutObserver​(TimeoutObserver to)
        Add a timeout observer.
        to - the timeout observer to add.
      • removeTimeoutObserver

        public void removeTimeoutObserver​(TimeoutObserver to)
        Remove a timeout observer.
        to - the timeout observer to remove.
      • fireTimeoutOccured

        protected final void fireTimeoutOccured()
        Inform the observers that a timeout has occurred. This happens in the watchdog thread.
      • start

        public void start()
        Start the watch dog.
      • stop

        public void stop()
        Stop the watch dog.
      • run

        public void run()
        The run method of the watch dog thread. This simply does a wait for the timeout time, and if the stop flag has not been set when the wait has returned or has been interrupted, the watch dog listeners are informed.
        Specified by:
        run in interface java.lang.Runnable