| /******************************************************************************* |
| * Copyright (c) 2008 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.jpt.core.JpaProject; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| |
| /** |
| * This updater will update the JPA project immediately and not return until |
| * the update and all resulting updates are complete. |
| */ |
| public class SynchronousJpaProjectUpdater implements JpaProject.Updater { |
| protected final JpaProject jpaProject; |
| protected boolean updating; |
| protected boolean again; |
| |
| protected static final IProgressMonitor NULL_PROGRESS_MONITOR = new NullProgressMonitor(); |
| |
| public SynchronousJpaProjectUpdater(JpaProject jpaProject) { |
| super(); |
| this.jpaProject = jpaProject; |
| this.updating = false; |
| this.again = false; |
| } |
| |
| public void update() { |
| if (this.updating) { |
| // recursion: we get here when IJpaProject#update() is called during the "update" |
| this.again = true; |
| } else { |
| this.updating = true; |
| do { |
| this.again = false; |
| this.jpaProject.update(NULL_PROGRESS_MONITOR); |
| } while (this.again); |
| this.updating = false; |
| } |
| } |
| |
| public void dispose() { |
| // nothing to do |
| } |
| |
| @Override |
| public String toString() { |
| return StringTools.buildToStringFor(this, this.jpaProject); |
| } |
| |
| } |
| |