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 org.jboss.tm.TransactionImpl;
25:
26: /**
27: * A policy that checks a transaction before allowing a commit
28: *
29: * @author <a href="adrian@jboss.com">Adrian Brock</a>
30: * @version $Revision: 57208 $
31: */
32: public interface TransactionIntegrity {
33: /**
34: * Checks whether a transaction can be committed.<p>
35: *
36: * The policy is allowed to wait, e.g. if there
37: * are other threads still associated with the transaction.<p>
38: *
39: * This method is invoked before any transaction synchronizations'
40: * beforeCompletions.<p>
41: *
42: * This policy should not invoke any methods that change the
43: * state of the transaction other than <code>setRollbackOnly()</code>
44: * to force a rollback or registering a transaction synchronization.
45: *
46: * @param transaction the transaction
47: * @throws SecurityException if a commit is not allowed from this context
48: */
49: void checkTransactionIntegrity(TransactionImpl transaction);
50: }
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