| /******************************************************************************* |
| * Copyright (c) 2003, 2004 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.common.modulecore; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| /** |
| * <p> |
| * Provides a standard interface for managing the lifecycle of |
| * an Edit Model. Clients which use instances of this interface |
| * are required to invoke {@see #dispose()} when they have |
| * completed their usage. Once clients have disposed that instance, |
| * they will not be able to invoke {@see #save(IProgressMonitor)} or |
| * {@see #saveIfNecessary(IProgressMonitor)} and should be |
| * wary of using any model objects acquired from the handler, |
| * as they may become stale. |
| * </p> |
| */ |
| public interface IEditModelHandler { |
| |
| /** |
| * <p> |
| * Force a save of the underlying edit model and keep |
| * track of progress using the supplied progress monitor. |
| * Clients should avoid calling this version of |
| * save unless they are certain they require the |
| * model to be saved. Clients are encouraged to use |
| * {@see #saveIfNecessary(IProgressMonitor)} instead. |
| * </p> |
| * @param aMonitor A valid progress monitor or null |
| */ |
| void save(IProgressMonitor aMonitor); |
| |
| /** |
| * <p> |
| * Save the underlying edit model, if no other consumers |
| * are using the edit model, and keep track of progress |
| * using the supplied progress monitor. This version of |
| * save will only save if the underlying edit model |
| * is not shared with other consumers. |
| * </p> |
| * @param aMonitor A valid progress monitor or null |
| */ |
| void saveIfNecessary(IProgressMonitor aMonitor); |
| |
| /** |
| * <p> |
| * Clients must invoke this method when they have |
| * finished using the handler. |
| * </p> |
| */ |
| void dispose(); |
| } |