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.lock;
23:
24: import javax.transaction.Transaction;
25:
26: import org.jboss.invocation.Invocation;
27:
28: /**
29: * No locking what-so-ever
30: *
31: *
32: * Holds all locks for entity beans, not used for stateful. <p>
33: *
34: * All BeanLocks have a reference count.
35: * When the reference count goes to 0, the lock is released from the
36: * id -> lock mapping.
37: *
38: * @author <a href="bill@burkecentral.com">Bill Burke</a>
39: *
40: * @version $Revision: 57209 $
41: *
42: * <p><b>Revisions:</b><br>
43: * <p><b>2001/08/08: billb</b>
44: * <ol>
45: * <li>Initial revision
46: * </ol>
47: */
48: public class NoLock extends BeanLockSupport {
49: /**
50: * Schedule(Invocation)
51: *
52: * Schedule implements a particular policy for scheduling the threads coming in.
53: * There is always the spec required "serialization" but we can add custom scheduling in here
54: *
55: * Synchronizing on lock: a failure to get scheduled must result in a wait() call and a
56: * release of the lock. Schedulation must return with lock.
57: *
58: */
59: public void schedule(Invocation mi) throws Exception {
60: return;
61: }
62:
63: public void endTransaction(Transaction transaction) {
64: // complete
65: }
66:
67: public void wontSynchronize(Transaction trasaction) {
68: // complete
69: }
70:
71: public void endInvocation(Invocation mi) {
72: // complete
73: }
74:
75: }
|