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Commons DBCP example source code file (DataSourceXAConnectionFactory.java)
The Commons DBCP DataSourceXAConnectionFactory.java source code/** * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.dbcp.managed; import javax.sql.XAConnection; import javax.sql.XADataSource; import javax.transaction.TransactionManager; import javax.transaction.xa.XAResource; import java.sql.Connection; import java.sql.SQLException; /** * An implementation of XAConnectionFactory which uses a real XADataSource to obtain connections and XAResources. * * @author Dain Sundstrom * @version $Revision$ */ public class DataSourceXAConnectionFactory implements XAConnectionFactory { protected TransactionRegistry transactionRegistry; protected XADataSource xaDataSource; protected String username; protected String password; /** * Creates an DataSourceXAConnectionFactory which uses the specified XADataSource to create database * connections. The connections are enlisted into transactions using the specified transaction manager. * * @param transactionManager the transaction manager in which connections will be enlisted * @param xaDataSource the data source from which connections will be retrieved */ public DataSourceXAConnectionFactory(TransactionManager transactionManager, XADataSource xaDataSource) { this(transactionManager, xaDataSource, null, null); } /** * Creates an DataSourceXAConnectionFactory which uses the specified XADataSource to create database * connections. The connections are enlisted into transactions using the specified transaction manager. * * @param transactionManager the transaction manager in which connections will be enlisted * @param xaDataSource the data source from which connections will be retrieved * @param username the username used for authenticating new connections or null for unauthenticated * @param password the password used for authenticating new connections */ public DataSourceXAConnectionFactory(TransactionManager transactionManager, XADataSource xaDataSource, String username, String password) { if (transactionManager == null) throw new NullPointerException("transactionManager is null"); if (xaDataSource == null) throw new NullPointerException("xaDataSource is null"); this.transactionRegistry = new TransactionRegistry(transactionManager); this.xaDataSource = xaDataSource; this.username = username; this.password = password; } /** * Gets the username used to authenticate new connections. * @return the user name or null if unauthenticated connections are used */ public String getUsername() { return username; } /** * Sets the username used to authenticate new connections. * @param username the username used for authenticating the connection or null for unauthenticated */ public void setUsername(String username) { this.username = username; } /** * Sets the password used to authenticate new connections. * @param password the password used for authenticating the connection or null for unauthenticated */ public void setPassword(String password) { this.password = password; } public TransactionRegistry getTransactionRegistry() { return transactionRegistry; } public Connection createConnection() throws SQLException { // create a new XAConection XAConnection xaConnection; if (username == null) { xaConnection = xaDataSource.getXAConnection(); } else { xaConnection = xaDataSource.getXAConnection(username, password); } // get the real connection and XAResource from the connection Connection connection = xaConnection.getConnection(); XAResource xaResource = xaConnection.getXAResource(); // register the xa resource for the connection transactionRegistry.registerConnection(connection, xaResource); return connection; } } Other Commons DBCP examples (source code examples)Here is a short list of links related to this Commons DBCP DataSourceXAConnectionFactory.java source code file: |
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