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## de.caff.gimmix
Class Worker

    java.lang.Object
      de.caff.gimmix.Worker

All Implemented Interfaces:
  java.lang.Runnable

    public abstract class Worker

extends java.lang.Object
implements java.lang.Runnable

A Runnable which knows of exceptions.

Constructor Summary
`Worker()` Default constructor.
`Worker(KnockOffListener listener)` Constructor taking an intial knock off listener.

Method Summary
`void` | `addKnockOffListener(KnockOffListener listener)` Add a knock off listener.
`protected abstract void` | `execute()` Implement this in extending classes to do the work.
`java.lang.Throwable` | `getCatched()` Get the thrwoable catched during work, if there happened one.
`protected void` | `informKnockOffListeners()` Call all knockoff listeners.
`static void` | `invokeInEventDispatchThread(java.lang.Runnable run)` Invoke in the AWT thread.
`void` | `removeKnockOffListener(KnockOffListener listener)` Remove a knock off listener.
`void` | `rethrow()` This throws the catched exception if there occured one.
`void` | `run()` When an object implementing interface `Runnable` is used to create a thread, starting the thread causes the object's `run` method to be called in that separately executing thread.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### Worker

    public Worker()

  Default constructor.

### Worker

    public Worker(KnockOffListener listener)

  Constructor taking an intial knock off listener.

  Parameters:
    `listener` - knock off listener

Method Detail

### run

    public void run()

  When an object implementing interface `Runnable` is used to create a thread, starting the thread causes the object's `run` method to be called in that separately executing thread.

  The general contract of the method `run` is that it may take any action whatsoever.

  Specified by:
    `run` in interface `java.lang.Runnable`
  See Also:
    `Thread.run()`

### execute

    protected abstract void execute()
                             throws java.lang.Exception

  Implement this in extending classes to do the work.

  Throws:
    `java.lang.Exception` - any exception thrown during work

### getCatched

    public java.lang.Throwable getCatched()

  Get the thrwoable catched during work, if there happened one.

  Returns:
    the throwable or `null` if there didn't occure any

### rethrow

    public void rethrow()
                 throws java.lang.Throwable

  This throws the catched exception if there occured one.

  Throws:
    `java.lang.Throwable` - exception catched during execute of work

### addKnockOffListener

    public void addKnockOffListener(KnockOffListener listener)

  Add a knock off listener. The knock off listener will be called in the AWT event thread after the worker has finished.

  Parameters:
    `listener` - new listener

### removeKnockOffListener

    public void removeKnockOffListener(KnockOffListener listener)

  Remove a knock off listener.

  Parameters:
    `listener` - listener to remove

### informKnockOffListeners

    protected void informKnockOffListeners()

  Call all knockoff listeners.

### invokeInEventDispatchThread

    public static void invokeInEventDispatchThread(java.lang.Runnable run)

  Invoke in the AWT thread.

  Parameters:
    `run` - runnable which has to be invoked in the AWT event thread

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