001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements.  See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing, software
013 *  distributed under the License is distributed on an "AS IS" BASIS,
014 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 *  See the License for the specific language governing permissions and
016 *  limitations under the License.
017 */
018package org.apache.commons.dbcp2.managed;
019
020import java.sql.Connection;
021import java.sql.SQLException;
022
023import org.apache.commons.dbcp2.ConnectionFactory;
024
025/**
026 * XAConnectionFactory is an extension of ConnectionFactory used to create connections in a transaction managed
027 * environment. The XAConnectionFactory operates like a normal ConnectionFactory except a TransactionRegistry is
028 * provided from which the XAResource for a connection can be obtained. This allows the existing DBCP pool code to work
029 * with XAConnections and gives a the ManagedConnection a way to enlist a connection in the the transaction.
030 *
031 * @since 2.0
032 */
033public interface XAConnectionFactory extends ConnectionFactory {
034    /**
035     * Gets the TransactionRegistry for this connection factory which contains a the XAResource for every connection
036     * created by this factory.
037     *
038     * @return the transaction registry for this connection factory
039     */
040    TransactionRegistry getTransactionRegistry();
041
042    /**
043     * Create a new {@link java.sql.Connection} in an implementation specific fashion.
044     * <p>
045     * An implementation can assume that the caller of this will wrap the connection in a proxy that protects access to
046     * the setAutoCommit, commit and rollback when enrolled in a XA transaction.
047     * </p>
048     *
049     * @return a new {@link java.sql.Connection}
050     * @throws java.sql.SQLException
051     *             if a database error occurs creating the connection
052     */
053    @Override
054    Connection createConnection() throws SQLException;
055}