| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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.ui.preferences; |
| |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
| import org.osgi.service.prefs.BackingStoreException; |
| |
| /** |
| * IWorkingCopyManager is the interface for the working copy |
| * support for references to shared preference nodes. |
| * @since 3.1 |
| * |
| */ |
| public interface IWorkingCopyManager { |
| /** |
| * Return a working copy instance based on the given preference node. If a |
| * working copy already exists then return it, otherwise create one and keep |
| * track of it for other clients who are looking for it. |
| * |
| * @param original |
| * the original node |
| * @return the working copy node |
| */ |
| public IEclipsePreferences getWorkingCopy(IEclipsePreferences original); |
| |
| /** |
| * Apply the changes for <em>all</em> working copies, to their original |
| * preference nodes. Alternatively, if a client wishes to apply the changes |
| * for a single working copy they can call <code>#flush</code> on that |
| * working copy node. |
| * |
| * @throws BackingStoreException |
| * if there were problems accessing the backing store |
| */ |
| public void applyChanges() throws BackingStoreException; |
| |
| |
| } |
