StatefulSessionPersistenceManager.java :  » EJB-Server » JBoss-6.0.0 » org » jboss » ejb » Java Open Source

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JBoss 6.0.0 » org » jboss » ejb » StatefulSessionPersistenceManager.java
/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * 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.jboss.ejb;

import java.rmi.RemoteException;

import javax.ejb.RemoveException;

/**
 * The interface for persisting stateful session beans.
 *
 * @version <tt>$Revision: 81030 $</tt>
 * @author <a href="mailto:rickard.oberg@telkel.com">Rickard Oberg</a>
 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
 */
public interface StatefulSessionPersistenceManager
   extends ContainerPlugin
{
   /**
    * Create a unique identifier for the given SFSB context.
    *
    * @param ctx    The context of the SFSB to create an unique identifier for.
    * @return       A unique identifier.
    *
    * @throws Exception    Failed to create unique identifier.
    */
   Object createId(StatefulSessionEnterpriseContext ctx)
      throws Exception;

   /**
    * Called after the SFSB's ejbCreate method has been successfully
    * invoked to allow the PM to perform an post creation setup.
    *
    * @param ctx    The context of the SFSB which was created.
    */
   void createdSession(StatefulSessionEnterpriseContext ctx)
      throws Exception;
   
   /**
    * Activate the SFSB for the given context.
    *
    * <p>
    * Implementation is responsible for invoking the bean's
    * {@link javax.ejb.SessionBean#ejbActivate} method.
    *
    * @param ctx    The context of the SFSB to activate.
    *
    * @throws RemoteException
    */
   void activateSession(StatefulSessionEnterpriseContext ctx)
      throws RemoteException;
   
   /**
    * Passivate the SFSB for the given context.
    *
    * <p>
    * Implementation is responsible for invoking the bean's
    * {@link javax.ejb.SessionBean#ejbPassivate} method.
    * 
    * @param ctx    The context of the SFSB to passivate.
    *
    * @throws RemoteException
    */
   void passivateSession(StatefulSessionEnterpriseContext ctx)
      throws RemoteException;

   /**
    * Remove the SFSB for the given context.
    *
    * <p>
    * Implementation is responsible for invoking the bean's
    * {@link javax.ejb.SessionBean#ejbRemove} method.
    * 
    * @param ctx    The context of the SFSB to remove.
    *
    * @throws RemoteException
    */
   void removeSession(StatefulSessionEnterpriseContext ctx)
      throws RemoteException, RemoveException;

   /**
    * Remove any passivated state for the given SFSB identifier.
    *
    * <p>
    * This is called by the instance cache impl to clean up
    * the state for an old session.
    *
    * @param id    The identifier of the SFSB to remove passivate state for.
    */
   void removePassivated(Object id);
}
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