View Javadoc

1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one or more
4    * contributor license agreements.  See the NOTICE file distributed with
5    * this work for additional information regarding copyright ownership.
6    * The ASF licenses this file to You under the Apache License, Version 2.0
7    * (the "License"); you may not use this file except in compliance with
8    * the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing, software
13   *  distributed under the License is distributed on an "AS IS" BASIS,
14   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   *  See the License for the specific language governing permissions and
16   *  limitations under the License.
17   */
18  package org.apache.commons.dbcp.managed;
19  
20  import org.apache.commons.dbcp.ConnectionFactory;
21  
22  import java.sql.Connection;
23  import java.sql.SQLException;
24  
25  /**
26   * XAConnectionFactory is an extension of ConnectionFactory used to create connections
27   * in a transaction managed environment.  The XAConnectionFactory opperates like a normal
28   * ConnectionFactory except an TransactionRegistry is provided from which the XAResource
29   * for a connection can be obtained.  This allows the existing DBCP pool code to work with
30   * XAConnections and gives a the ManagedConnection a way to enlist a connection in the
31   * the transaction.
32   *
33   * @author Dain Sundstrom
34   * @author Rodney Waldhoff
35   * @version $Revision$
36   */
37  public interface XAConnectionFactory extends ConnectionFactory {
38      /**
39       * Gets the TransactionRegistry for this connection factory which contains a the
40       * XAResource for every connection created by this factory.
41       *
42       * @return the transaction registry for this connection factory
43       */
44      TransactionRegistry getTransactionRegistry();
45  
46      /**
47       * Create a new {@link java.sql.Connection} in an implementation specific fashion.
48       * </p>
49       * An implementation can assume that the caller of this will wrap the connection in
50       * a proxy that protects access to the setAutoCommit, commit and rollback when
51       * enrolled in a XA transaction.
52       *
53       * @return a new {@link java.sql.Connection}
54       * @throws java.sql.SQLException if a database error occurs creating the connection
55       */
56      Connection createConnection() throws SQLException;
57  }