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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