/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.commons.chromattic;
import java.util.HashMap;
import java.util.Map;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
/**
* A global notion of synchronization for all chromattic sessions and all JCR sessions.
*
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class Synchronization {
/** The sessions mapped by workspace name. */
private final Map<String, Session> repositorySessions = new HashMap<String, Session>();
/** . */
private final Map<String, SynchronizedContext> contexts = new HashMap<String, SynchronizedContext>();
/** . */
private boolean saveOnClose = true;
/**
* Returns a specified global context by its name.
*
* @param name the global context name
* @return the global context or null if no such context exists
*/
public SynchronizedContext getContext(String name) {
if (name == null) {
throw new NullPointerException();
}
return contexts.get(name);
}
/**
* Opens a global context related to this synchronization object.
*
* @param lifeCycle the life cycle for the session
* @return the global context related to life cycle
* @throws IllegalStateException if a context is already created for the specified life cycle
*/
public SynchronizedContext openContext(ChromatticLifeCycle lifeCycle) throws IllegalStateException {
if (lifeCycle == null) {
throw new NullPointerException();
}
String name = lifeCycle.getDomainName();
SynchronizedContext context = contexts.get(name);
if (context != null) {
throw new IllegalStateException();
}
context = new SynchronizedContext(lifeCycle, this);
contexts.put(name, context);
lifeCycle.onOpenSession(context);
return context;
}
public Session doLogin(SynchronizedContext ctx) throws RepositoryException {
if (ctx == null) {
throw new NullPointerException();
}
if (ctx.synchronization != this) {
throw new IllegalArgumentException();
}
String workspaceName = ctx.lifeCycle.getWorkspaceName();
Session session = repositorySessions.get(workspaceName);
if (session == null) {
session = ctx.openSession();
repositorySessions.put(workspaceName, session);
}
return session;
}
public void close(boolean save) {
// First save all global contexts (sessions)
for (SynchronizedContext context : contexts.values()) {
context.close(save);
}
// Now close all JCR sessions
for (Session session : repositorySessions.values()) {
session.logout();
}
}
public boolean getSaveOnClose() {
return saveOnClose;
}
public void setSaveOnClose(boolean saveOnClose) {
this.saveOnClose = saveOnClose;
}
}