com.lowagie.rups.model
Class BackgroundTask

java.lang.Object
  com.lowagie.rups.model.BackgroundTask

Direct Known Subclasses:

ObjectLoader, PageLoader

public abstract class BackgroundTask
extends Object

Allows you to perform long lasting tasks in background. If we ever move to Java 6, we should use the SwingWorker class (included in the JDK) instead of this custom Event Dispatching code.

Nested Class Summary

private static class

BackgroundTask.ThreadWrapper Inner class that holds the reference to the thread.

Field Summary

private BackgroundTask.ThreadWrapper

thread A wrapper for the tread that executes a time-consuming task.

Constructor Summary

BackgroundTask()
Starts a thread.

Method Summary

abstract void	doTask() Implement this class; the time-consuming task will go here.
void	finished() Called on the event dispatching thread once the construct method has finished its task.
void	interrupt() Forces the thread to stop what it's doing.
void	start() Starts the thread.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

thread

private BackgroundTask.ThreadWrapper thread

A wrapper for the tread that executes a time-consuming task.

Constructor Detail

BackgroundTask

public BackgroundTask()

Starts a thread. Executes the time-consuming task in the construct method; finally calls the finish().

Method Detail

doTask

public abstract void doTask()

Implement this class; the time-consuming task will go here.

start

public void start()

Starts the thread.

interrupt

public void interrupt()

Forces the thread to stop what it's doing.

finished

public void finished()

Called on the event dispatching thread once the construct method has finished its task.