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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.mylyn.internal.tasks.core.ITaskListRunnable;
import org.eclipse.mylyn.internal.tasks.core.TaskList;
/**
* Use to perform atomic operations on the task list i.e. open/restore
*
* @author Rob Elves
* @since 3.0
*/
public abstract class TaskListModifyOperation implements IRunnableWithProgress {
ISchedulingRule rule;
public TaskListModifyOperation() {
this(null);
}
public TaskListModifyOperation(ISchedulingRule rule) {
this.rule = rule;
}
protected abstract void operations(IProgressMonitor monitor) throws CoreException, InvocationTargetException,
InterruptedException;
final public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
final InvocationTargetException[] ite = new InvocationTargetException[1];
try {
ITaskListRunnable runnable = new ITaskListRunnable() {
public void execute(IProgressMonitor monitor) throws CoreException {
try {
Job.getJobManager().beginRule(rule, new SubProgressMonitor(monitor, IProgressMonitor.UNKNOWN));
operations(monitor);
} catch (InvocationTargetException e) {
ite[0] = e;
} catch (InterruptedException e) {
throw new OperationCanceledException(e.getMessage());
} finally {
Job.getJobManager().endRule(rule);
}
}
};
getTaskList().run(runnable, monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
if (ite[0] != null) {
throw ite[0];
}
}
protected TaskList getTaskList() {
return TasksUiPlugin.getTaskList();
}
}
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