/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.guitools.controlpanel.util;
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import javax.swing.SwingUtilities;
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/**
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* This class defines a thread that will be used to actually perform the
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* processing for a background task.
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* @param <T> type of object returned by the background task fed to this
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* object
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*/
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class BackgroundTaskThread<T>
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extends Thread
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{
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// The background task that is to be processed.
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private final BackgroundTask<T> backgroundTask;
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/**
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* Creates a new background task thread that will be used to process the
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* provided task.
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*
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* @param backgroundTask The task to be processed.
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*/
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public BackgroundTaskThread(BackgroundTask<T> backgroundTask)
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{
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this.backgroundTask = backgroundTask;
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}
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/**
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* Performs the processing associated with the background task.
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*/
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public void run()
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{
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try
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{
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final T returnValue = backgroundTask.processBackgroundTask();
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SwingUtilities.invokeLater(new Runnable()
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{
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/**
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* {@inheritDoc}
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*/
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public void run()
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{
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backgroundTask.backgroundTaskCompleted(returnValue, null);
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}
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});
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}
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catch (final Throwable t)
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{
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if (!isInterrupted())
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{
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SwingUtilities.invokeLater(new Runnable()
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{
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/**
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* {@inheritDoc}
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*/
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public void run()
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{
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backgroundTask.backgroundTaskCompleted(null, t);
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}
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});
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}
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}
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}
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}
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