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/*******************************************************************************
* Copyright (c) 2016 Tasktop Technologies and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* https://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.core.operations;
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.mylyn.internal.tasks.core.ITaskListRunnable;
import org.eclipse.mylyn.internal.tasks.core.TaskList;
public abstract class TaskListOperation {
private final ISchedulingRule rule;
private final TaskList taskList;
public TaskListOperation(TaskList taskList) {
this(null, taskList);
}
public TaskListOperation(ISchedulingRule rule, TaskList taskList) {
this.rule = rule;
this.taskList = taskList;
}
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 taskList;
}
}
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