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.tm.integrity;
23:
24: import java.util.Set;
25:
26: import org.jboss.tm.TransactionImpl;
27:
28: /**
29: * A transaction integrity that rolls back the transaction
30: * if there are other threads associated with it.
31: *
32: * @author <a href="adrian@jboss.com">Adrian Brock</a>
33: * @version $Revision: 57208 $
34: */
35: public class FailIncompleteTransactionIntegrity extends
36: AbstractTransactionIntegrity {
37: public void checkTransactionIntegrity(TransactionImpl transaction) {
38: // Assert the only thread is ourselves
39: Set threads = transaction.getAssociatedThreads();
40: String rollbackError = null;
41: synchronized (threads) {
42: if (threads.size() > 1)
43: rollbackError = "Too many threads " + threads
44: + " associated with transaction " + transaction;
45: else if (threads.size() != 0) {
46: Thread other = (Thread) threads.iterator().next();
47: Thread current = Thread.currentThread();
48: if (current.equals(other) == false)
49: rollbackError = "Attempt to commit transaction "
50: + transaction
51: + " on thread "
52: + current
53: + " with other threads still associated with the transaction "
54: + other;
55: }
56: }
57: if (rollbackError != null) {
58: log.error(rollbackError, new IllegalStateException(
59: "STACKTRACE"));
60: markRollback(transaction);
61: }
62: }
63: }
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