| /******************************************************************************* |
| * Copyright (c) 2003, 2014 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.resources; |
| |
| import org.eclipse.core.internal.utils.Policy; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.core.runtime.jobs.Job; |
| |
| /** |
| * Batches the activity of a job as a single operation, without obtaining the workspace |
| * lock. |
| */ |
| public abstract class InternalWorkspaceJob extends Job { |
| private Workspace workspace; |
| |
| public InternalWorkspaceJob(String name) { |
| super(name); |
| this.workspace = (Workspace) ResourcesPlugin.getWorkspace(); |
| } |
| |
| @Override |
| public final IStatus run(IProgressMonitor monitor) { |
| monitor = Policy.monitorFor(monitor); |
| try { |
| int depth = -1; |
| try { |
| workspace.prepareOperation(null, monitor); |
| workspace.beginOperation(true); |
| depth = workspace.getWorkManager().beginUnprotected(); |
| return runInWorkspace(monitor); |
| } catch (OperationCanceledException e) { |
| workspace.getWorkManager().operationCanceled(); |
| return Status.CANCEL_STATUS; |
| } finally { |
| if (depth >= 0) |
| workspace.getWorkManager().endUnprotected(depth); |
| workspace.endOperation(null, false); |
| } |
| } catch (CoreException e) { |
| return e.getStatus(); |
| } |
| } |
| |
| protected abstract IStatus runInWorkspace(IProgressMonitor monitor) throws CoreException; |
| } |