| /******************************************************************************* |
| * 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; |
| } |
| } |