01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ejb.plugins;
23:
24: import java.util.Map;
25:
26: import org.jboss.invocation.Invocation;
27:
28: import org.jboss.metadata.SessionMetaData;
29:
30: /**
31: * This interceptor handles transactions for session BMT beans.
32: *
33: * @author <a href="mailto:marc.fleury@telkel.com">Marc Fleury</a>
34: * @author <a href="mailto:sebastien.alborini@m4x.org">Sebastien Alborini</a>
35: * @author <a href="mailto:peter.antman@tim.se">Peter Antman</a>.
36: * @author <a href="mailto:akkerman@cs.nyu.edu">Anatoly Akkerman</a>
37: * @author <a href="mailto:osh@sparre.dk">Ole Husgaard</a>
38: * @version $Revision: 57209 $
39: */
40: public class TxInterceptorBMT extends AbstractTxInterceptorBMT {
41:
42: // Attributes ----------------------------------------------------
43:
44: // Static --------------------------------------------------------
45:
46: // Constructors --------------------------------------------------
47:
48: // Public --------------------------------------------------------
49:
50: // Interceptor implementation --------------------------------------
51:
52: public void create() throws Exception {
53: // Do initialization in superclass.
54: super .create();
55:
56: // Set the atateless attribute
57: stateless = ((SessionMetaData) container.getBeanMetaData())
58: .isStateless();
59: }
60:
61: public Object invokeHome(Invocation mi) throws Exception {
62: // stateless: no context, no transaction, no call to the instance
63: if (stateless || mi.getEnterpriseContext() == null)
64: return getNext().invokeHome(mi);
65: else
66: return invokeNext(mi);
67: }
68:
69: public Object invoke(Invocation mi) throws Exception {
70: return invokeNext(mi);
71: }
72:
73: // Monitorable implementation ------------------------------------
74: public void sample(Object s) {
75: // Just here to because Monitorable request it but will be removed soon
76: }
77:
78: public Map retrieveStatistic() {
79: return null;
80: }
81:
82: public void resetStatistic() {
83: }
84:
85: // Protected ----------------------------------------------------
86:
87: // Inner classes -------------------------------------------------
88:
89: }
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