SessionCleanupListener.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License, version 2 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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 General Public License for more details.
 *
 *
 * Copyright 2009 Pentaho Corporation.  All rights reserved. 
 * 
 * @created June 18, 2009
 * @author Aaron Phillips
 * 
 */

package org.pentaho.platform.engine.core.system;
import org.pentaho.platform.api.engine.IApplicationContext;
import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.platform.api.engine.IPentahoSystemEntryPoint;
import org.pentaho.platform.api.engine.IPentahoSystemExitPoint;
import org.pentaho.platform.api.engine.IPentahoSystemListener;


/**
 * This class is responsible for making sure the thread local that hangs on to the current session
 * gets cleared when a system exit point happens.
 */
public class SessionCleanupListener implements IPentahoSystemListener, IPentahoSystemExitPoint, IPentahoSystemEntryPoint {

  public void shutdown() {
  }

  public boolean startup(IPentahoSession session) {
    IApplicationContext applicationContext = PentahoSystem.getApplicationContext();
    applicationContext.addEntryPointHandler(this);
    applicationContext.addExitPointHandler(this);
    return true;
  }

  public void systemExitPoint() {
    PentahoSessionHolder.removeSession();
  }

  public void systemEntryPoint() {
  }

}