01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.internal.cs;
22:
23: import com.db4o.internal.*;
24:
25: public class ClientTransactionHandle {
26: private final ClientTransactionPool _transactionPool;
27: private Transaction _mainTransaction;
28: private Transaction _transaction;
29: private boolean _rollbackOnClose;
30:
31: public ClientTransactionHandle(ClientTransactionPool transactionPool) {
32: _transactionPool = transactionPool;
33: _mainTransaction = _transactionPool.acquireMain();
34: _rollbackOnClose = true;
35: }
36:
37: public void acquireTransactionForFile(String fileName) {
38: _transaction = _transactionPool.acquire(fileName);
39: }
40:
41: public void releaseTransaction() {
42: if (_transaction != null) {
43: _transactionPool.release(_transaction, _rollbackOnClose);
44: _transaction = null;
45: }
46: }
47:
48: public boolean isClosed() {
49: return _transactionPool.isClosed();
50: }
51:
52: public void close() {
53: if ((!_transactionPool.isClosed())
54: && (_mainTransaction != null)) {
55: _mainTransaction.close(_rollbackOnClose);
56: }
57: }
58:
59: public Transaction transaction() {
60: if (_transaction != null) {
61: return _transaction;
62: }
63: return _mainTransaction;
64: }
65:
66: public void transaction(Transaction transaction) {
67: if (_transaction != null) {
68: _transaction = transaction;
69: } else {
70: _mainTransaction = transaction;
71: }
72: _rollbackOnClose = false;
73: }
74:
75: }
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