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 class	SwingWorker.ThreadVar Class to maintain reference to current worker thread under separate synchronization control.

Field Summary
SwingWorker.ThreadVar	threadVar
Object	value

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

Method Summary
abstract Object	construct() Compute the value to be returned by the `get` method.
void	finished() Called on the event dispatching thread (not on the worker thread) after the `construct` method has returned.
Object	get() Return the value created by the `construct` method.
protected Object	getValueX() Get the value produced by the worker thread, or null if it hasn't been constructed yet.
void	interrupt() A new method that interrupts the worker thread.
void	setValueX(Object x) Set the value produced by worker thread
void	start() 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