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Java > Open Source Codes > net > jforum > C3P0PooledConnection


1 /*
2  * Copyright (c) Rafael Steil
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms,
6  * with or without modification, are permitted provided
7  * that the following conditions are met:
8  *
9  * 1) Redistributions of source code must retain the above
10  * copyright notice, this list of conditions and the
11  * following disclaimer.
12  * 2) Redistributions in binary form must reproduce the
13  * above copyright notice, this list of conditions and
14  * the following disclaimer in the documentation and/or
15  * other materials provided with the distribution.
16  * 3) Neither the name of "Rafael Steil" nor
17  * the names of its contributors may be used to endorse
18  * or promote products derived from this software without
19  * specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
22  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
32  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
34  * IN CONTRACT, STRICT LIABILITY, OR TORT
35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
37  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
38  *
39  * Created on 30/11/2005 17:07:51
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum;
44
45 import java.sql.Connection JavaDoc;
46
47 import net.jforum.exceptions.DatabaseException;
48 import net.jforum.util.preferences.ConfigKeys;
49 import net.jforum.util.preferences.SystemGlobals;
50
51 import com.mchange.v2.c3p0.ComboPooledDataSource;
52 import com.mchange.v2.c3p0.DataSources;
53
54 public class C3P0PooledConnection extends DBConnection
55 {
56     private ComboPooledDataSource ds;
57     
58     /**
59      *
60      * @see net.jforum.DBConnection#init()
61      */
62     public void init() throws Exception JavaDoc
63     {
64         this.ds = new ComboPooledDataSource();
65         this.ds.setDriverClass(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_DRIVER));
66         this.ds.setJdbcUrl(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_STRING));
67         this.ds.setMinPoolSize(SystemGlobals.getIntValue(ConfigKeys.DATABASE_POOL_MIN));
68         this.ds.setMaxPoolSize(SystemGlobals.getIntValue(ConfigKeys.DATABASE_POOL_MAX));
69         this.ds.setIdleConnectionTestPeriod(SystemGlobals.getIntValue(ConfigKeys.DATABASE_PING_DELAY));
70     }
71
72     /**
73      * @see net.jforum.DBConnection#getConnection()
74      */
75     public Connection JavaDoc getConnection()
76     {
77         try {
78             return this.ds.getConnection();
79         }
80         catch (Exception JavaDoc e) {
81             throw new DatabaseException(e);
82         }
83     }
84
85     /**
86      * @see net.jforum.DBConnection#releaseConnection(java.sql.Connection)
87      */
88     public void releaseConnection(Connection JavaDoc conn)
89     {
90         try {
91             conn.close();
92         }
93         catch (Exception JavaDoc e) {
94             e.printStackTrace();
95         }
96     }
97
98     /**
99      * @see net.jforum.DBConnection#realReleaseAllConnections()
100      */
101     public void realReleaseAllConnections() throws Exception JavaDoc
102     {
103         DataSources.destroy(this.ds);
104     }
105 }
106
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