Package org.apache.tools.ant.util

Class Watchdog

java.lang.Object
org.apache.tools.ant.util.Watchdog
All Implemented Interfaces:
Runnable
public class Watchdog extends Object implements Runnable
Generalization of ExecuteWatchdog
Since:
Ant 1.5
See Also:

  • Field Details

    • ERROR_INVALID_TIMEOUT

      public static final String ERROR_INVALID_TIMEOUT
      Error string. "timeout less than 1."
      See Also:

  • Constructor Details

    • Watchdog

      public Watchdog(long timeout)
      Constructor for Watchdog.
      Parameters:
      timeout - the timeout to use in milliseconds (must be >= 1).

  • Method Details

    • addTimeoutObserver

      public void addTimeoutObserver(TimeoutObserver to)
      Add a timeout observer.
      Parameters:
      to - the timeout observer to add.

    • removeTimeoutObserver

      public void removeTimeoutObserver(TimeoutObserver to)
      Remove a timeout observer.
      Parameters:
      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 Runnable