Source Code Cross Referenced for JSessionHome.java in  » J2EE » JOnAS-4.8.6 » org » objectweb » jonas_ejb » container » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas_ejb.container 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * JOnAS: Java(TM) Open Application Server
003:         * Copyright (C) 1999 Bull S.A.
004:         * Contact: jonas-team@objectweb.org
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2.1 of the License, or any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
019:         * USA
020:         *
021:         * --------------------------------------------------------------------------
022:         * $Id: JSessionHome.java 10020 2007-02-21 06:51:29Z pelletib $
023:         * --------------------------------------------------------------------------
024:         */package org.objectweb.jonas_ejb.container;
025:
026:        import java.rmi.NoSuchObjectException;
027:        import java.rmi.Remote;
028:        import java.rmi.RemoteException;
029:        import java.util.List;
030:
031:        import javax.ejb.RemoveException;
032:
033:        import org.objectweb.carol.cmi.DistributedEquiv;
034:        import org.objectweb.carol.util.configuration.ConfigurationRepository;
035:
036:        import org.objectweb.jonas_ejb.deployment.api.SessionDesc;
037:
038:        import org.objectweb.util.monolog.api.BasicLevel;
039:
040:        /**
041:         * This class is the Standard Home for Session objects It exists only for beans
042:         * that have declared a Remote Interface. It implements javax.ejb.EJBHome
043:         * interface (by the inherited class JHome) It implements a pool of EJBObject's
044:         * @author Philippe Durieux
045:         */
046:        public abstract class JSessionHome extends JHome implements  Remote {
047:
048:            /**
049:             * constructor
050:             * @param dd The Session Bean Deployment Descriptor
051:             * @param bf THe Session Bean Factory
052:             */
053:            public JSessionHome(SessionDesc dd, JSessionFactory bf)
054:                    throws RemoteException {
055:                super (dd, bf);
056:                if (TraceEjb.isDebugIc()) {
057:                    TraceEjb.interp.log(BasicLevel.DEBUG, "");
058:                }
059:            }
060:
061:            public RequestCtx preInvoke(int txa) throws RemoteException {
062:                // The connection List depends on the instance, so it must be
063:                // set to null in case of Home method (create).
064:                // only for stateful
065:                bf.getTransactionManager().pushThreadLocalRMEventList(null);
066:                return super .preInvoke(txa);
067:            }
068:
069:            public void postInvoke(RequestCtx rctx) throws RemoteException {
070:                super .postInvoke(rctx);
071:                // save the connection List for future methods on the bean.
072:                // only for stateful
073:                List newList = bf.getTransactionManager()
074:                        .popThreadLocalRMEventList();
075:                JSessionContext ctx = (JSessionContext) rctx.ejbContext;
076:                if (ctx != null) {
077:                    ctx.setConnectionList(newList);
078:                }
079:            }
080:
081:            // ---------------------------------------------------------------
082:            // EJBHome implementation
083:            // remove(Handle) method is in the generated part.
084:            // other methods are in JHome (identical for Sessions and Entities)
085:            // ---------------------------------------------------------------
086:
087:            /**
088:             * remove(pk) is not allowed for session beans
089:             * @param pk the primary key
090:             * @throws RemoveException Always.
091:             */
092:            public void remove(java.lang.Object pk) throws RemoteException,
093:                    RemoveException {
094:                throw new RemoveException(
095:                        "remove by PK Cannot be called in a session bean");
096:            }
097:
098:            // ---------------------------------------------------------------
099:            // other public methods, for internal use.
100:            // ---------------------------------------------------------------
101:
102:            /**
103:             * Creates the EJBObject (remote) this is in the generated class because it
104:             * is mainly "new objectClass()"
105:             * @return A JSessionRemote object
106:             */
107:            public abstract JSessionRemote createRemoteObject()
108:                    throws RemoteException;
109:
110:            /**
111:             * Get the remote object as a stub object for CMI remote object LB
112:             * @param remote remote object
113:             * @return get remote object
114:             * @throws NoSuchObjectException if the clustered object is not found in the CMI registry
115:             */
116:            public Remote getRemoteOrRemoteStub(Remote remote)
117:                    throws NoSuchObjectException {
118:
119:                String protocol = ConfigurationRepository
120:                        .getCurrentConfiguration().getProtocol().getName();
121:                if (protocol.equals("cmi")) {
122:                    try {
123:                        return DistributedEquiv.getExportedStubList(remote);
124:                    } catch (NoSuchObjectException e) {
125:                        TraceEjb.interp.log(BasicLevel.DEBUG,
126:                                "No CMI stub - e=" + e);
127:                    }
128:
129:                }
130:                return remote;
131:            }
132:
133:        }
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