diff options
Diffstat (limited to 'org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/operations/TaskListOperation.java')
-rw-r--r-- | org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/operations/TaskListOperation.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/operations/TaskListOperation.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/operations/TaskListOperation.java new file mode 100644 index 000000000..42a73f20b --- /dev/null +++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/operations/TaskListOperation.java @@ -0,0 +1,74 @@ +/******************************************************************************* + * Copyright (c) 2016 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.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; + } +} |