Bug 161738 [Undo] - API - promote ability to quietly compute status to operations API
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/undo/WorkspaceUndoMonitor.java
* 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:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.ui.internal.ide.undo;
import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.core.commands.operations.IOperationHistoryListener;
import org.eclipse.core.commands.operations.IUndoableOperation;
import org.eclipse.core.commands.operations.OperationHistoryEvent;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.undo.AbstractWorkspaceOperation;
import org.eclipse.ui.ide.undo.WorkspaceUndoUtil;
import org.eclipse.ui.internal.ide.Policy;
/**
 * WorkspaceUndoMonitor monitors the workspace for resource changes and
 * periodically checks the undo history to make sure it is valid.
 * 
 * This class is not intended to be instantiated or used by clients.
 * 
 * @since 3.3
 * 
 */
public class WorkspaceUndoMonitor {