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Java > Open Source Codes > org > dbunit > operation > TransactionOperation


1 /*
2  *
3  * The DbUnit Database Testing Framework
4  * Copyright (C)2002-2004, DbUnit.org
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21
22 package org.dbunit.operation;
23
24 import org.dbunit.DatabaseUnitException;
25 import org.dbunit.database.IDatabaseConnection;
26 import org.dbunit.dataset.IDataSet;
27
28 import java.sql.Connection JavaDoc;
29 import java.sql.SQLException JavaDoc;
30
31 /**
32  * Decorates an operation and executes within the context of a transaction.
33  *
34  * @author Manuel Laflamme
35  * @version $Revision: 1.9 $
36  * @since Feb 21, 2002
37  */
38 public class TransactionOperation extends DatabaseOperation
39 {
40     private final DatabaseOperation _operation;
41
42     /**
43      * Creates a TransactionOperation that decorates the specified operation.
44      */
45     public TransactionOperation(DatabaseOperation operation)
46     {
47         _operation = operation;
48     }
49
50     ////////////////////////////////////////////////////////////////////////////
51 // DatabaseOperation class
52
53     public void execute(IDatabaseConnection connection, IDataSet dataSet)
54             throws DatabaseUnitException, SQLException JavaDoc
55     {
56         IDatabaseConnection databaseConnection = connection;
57         Connection jdbcConnection = databaseConnection.getConnection();
58
59         if (jdbcConnection.getAutoCommit() == false)
60         {
61             throw new ExclusiveTransactionException();
62         }
63
64         jdbcConnection.setAutoCommit(false);
65         try
66         {
67             _operation.execute(databaseConnection, dataSet);
68             jdbcConnection.commit();
69         }
70         catch (DatabaseUnitException e)
71         {
72             jdbcConnection.rollback();
73             throw e;
74         }
75         catch (SQLException JavaDoc e)
76         {
77             jdbcConnection.rollback();
78             throw e;
79         }
80         catch (RuntimeException JavaDoc e)
81         {
82             jdbcConnection.rollback();
83             throw e;
84         }
85         finally
86         {
87             jdbcConnection.setAutoCommit(true);
88         }
89     }
90 }
91
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