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;
23:
24: import javax.transaction.Transaction;
25:
26: /**
27: * The interface to implementated for a transaction local implementation
28: *
29: * @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
30: * @version $Revision: 57208 $
31: */
32: public interface TransactionLocalDelegate {
33: /**
34: * get the transaction local value.
35: */
36: Object getValue(TransactionLocal local, Transaction tx);
37:
38: /**
39: * put the value in the transaction local
40: */
41: void storeValue(TransactionLocal local, Transaction tx, Object value);
42:
43: /**
44: * does Transaction contain object?
45: */
46: boolean containsValue(TransactionLocal local, Transaction tx);
47:
48: /**
49: * Lock the transaction local in the context of this transaction
50: *
51: * @throws IllegalStateException if the transaction is not active
52: * @throws InterruptedException if the thread is interrupted
53: */
54: void lock(TransactionLocal local, Transaction tx)
55: throws InterruptedException;
56:
57: /**
58: * Unlock the transaction local in the context of this transaction
59: */
60: void unlock(TransactionLocal local, Transaction tx);
61: }
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