1 /*
2 * Copyright 2007-2009 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.core.database;
17
18 import java.sql.Connection;
19 import java.sql.SQLException;
20 import java.util.Map;
21
22 import org.apache.commons.dbcp.PoolingConnection;
23 import org.apache.commons.pool.KeyedObjectPool;
24
25 /**
26 * A subclass of Apache DBCP's PoolingConnection class. This class generates a unique
27 * toString value for each instance of this class, because XApool relies on such behavior
28 *
29 * @author Kuali Rice Team (rice.collab@kuali.org)
30 *
31 */
32 public class PreparedStatementCachingConnection extends PoolingConnection {
33 private String stringRepresentation;
34
35 public PreparedStatementCachingConnection(Connection conn, KeyedObjectPool preparedStatementCache) {
36 super(conn, preparedStatementCache);
37 stringRepresentation = null;
38 }
39
40 @Override
41 public String toString() {
42 // for some reason, XAPool uses the connection's toString as a unique identifier for the connection
43 // this method should provide that unique identifier
44 if (stringRepresentation == null) {
45 stringRepresentation = "PreparedStatementCachingConnection: " + System.identityHashCode(this);
46 }
47 return stringRepresentation;
48 }
49 }