examples/org.eclipse.ui.examples.job/src/org/eclipse/ui/examples/jobs/UITestJob.java

/**********************************************************************
 * Copyright (c) 2004 IBM Corporation and others. All rights reserved.   This
 * program and the accompanying materials are made available under the terms of
 * the Common Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors: 
 * IBM - Initial API and implementation
 **********************************************************************/
package org.eclipse.ui.examples.jobs;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.*;
import org.eclipse.ui.progress.UIJob;
/**
 * Base class for a simple test UI job with configurable parameters
 */
public class UITestJob extends UIJob {
	private long duration;
	private boolean failure;
	private boolean unknown;
	public UITestJob(long duration, boolean lock, boolean failure, boolean indeterminate) {
		super("Test job");
		this.duration = duration;
		this.failure = failure;
		this.unknown = indeterminate;
		
		if (lock)
			setRule(ResourcesPlugin.getWorkspace().getRoot());
	}
	public IStatus runInUIThread(IProgressMonitor monitor) {
		if (failure)
			throw new RuntimeException();
		final long sleep = 10;
		int ticks = (int) (duration / sleep);
		if(unknown)
			monitor.beginTask(toString(), IProgressMonitor.UNKNOWN);
		else
			monitor.beginTask(toString(), ticks);
		try {
			for (int i = 0; i < ticks; i++) {
				if (monitor.isCanceled())
					return Status.CANCEL_STATUS;
				monitor.subTask("Processing tick #" + i);
				try {
					Thread.sleep(sleep);
				} catch (InterruptedException e) {
					Thread.interrupted();
				}
				monitor.worked(1);
			}
		} finally {
			monitor.done();
		}
		return Status.OK_STATUS;
	}
}