com.lowagie.tools

Class SwingWorker

public abstract class SwingWorker extends Object

This is the 3rd version of SwingWorker (also known as SwingWorker 3), an abstract class that you subclass to perform GUI-related work in a dedicated thread. For instructions on using this class, see: http://java.sun.com/docs/books/tutorial/uiswing/misc/threads.html
Nested Class Summary
static classSwingWorker.ThreadVar
Class to maintain reference to current worker thread under separate synchronization control.
Field Summary
SwingWorker.ThreadVarthreadVar
Objectvalue
Constructor Summary
SwingWorker()
Start a thread that will call the construct method and then exit.
Method Summary
abstract Objectconstruct()
Compute the value to be returned by the get method.
voidfinished()
Called on the event dispatching thread (not on the worker thread) after the construct method has returned.
Objectget()
Return the value created by the construct method.
protected ObjectgetValueX()
Get the value produced by the worker thread, or null if it hasn't been constructed yet.
voidinterrupt()
A new method that interrupts the worker thread.
voidsetValueX(Object x)
Set the value produced by worker thread
voidstart()
Start the worker thread.

Field Detail

threadVar

private SwingWorker.ThreadVar threadVar

value

private Object value

Constructor Detail

SwingWorker

public SwingWorker()
Start a thread that will call the construct method and then exit.

Method Detail

construct

public abstract Object construct()
Compute the value to be returned by the get method.

finished

public void finished()
Called on the event dispatching thread (not on the worker thread) after the construct method has returned.

get

public Object get()
Return the value created by the construct method. Returns null if either the constructing thread or the current thread was interrupted before a value was produced.

Returns: the value created by the construct method

getValueX

protected Object getValueX()
Get the value produced by the worker thread, or null if it hasn't been constructed yet.

interrupt

public void interrupt()
A new method that interrupts the worker thread. Call this method to force the worker to stop what it's doing.

setValueX

private void setValueX(Object x)
Set the value produced by worker thread

start

public void start()
Start the worker thread.