| /* |
| * 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.geode.internal.datasource; |
| |
| import java.sql.SQLException; |
| |
| import javax.sql.ConnectionEventListener; |
| import javax.sql.PooledConnection; |
| import javax.sql.XADataSource; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.annotations.VisibleForTesting; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| /** |
| * This class models a connection pool for transactional database connection. Extends the |
| * AbstractPoolCache to inherit the pool behavior. |
| * |
| */ |
| public class TranxPoolCacheImpl extends AbstractPoolCache { |
| private static final long serialVersionUID = 3295652525163658888L; |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| private XADataSource m_xads; |
| |
| /** |
| * Constructor initializes the ConnectionPoolCacheImpl properties. |
| */ |
| public TranxPoolCacheImpl(XADataSource xads, ConnectionEventListener eventListner, |
| ConfiguredDataSourceProperties configs) throws PoolException { |
| super(eventListner, configs); |
| m_xads = xads; |
| initializePool(); |
| } |
| |
| @Override |
| void destroyPooledConnection(Object connectionObject) { |
| try { |
| ((PooledConnection) connectionObject) |
| .removeConnectionEventListener((javax.sql.ConnectionEventListener) connEventListner); |
| ((PooledConnection) connectionObject).close(); |
| connectionObject = null; |
| } catch (Exception ex) { |
| if (logger.isTraceEnabled()) |
| logger.trace( |
| "AbstractPoolcache::destroyPooledConnection:Exception in closing the connection.Ignoring it. The exeption is {}", |
| ex.getMessage(), ex); |
| } |
| } |
| |
| /** |
| * Creates a new connection for the pool. This connection can participate in the transactions. |
| * |
| * @return the connection from the database as PooledConnection object. |
| */ |
| @Override |
| public Object getNewPoolConnection() throws PoolException { |
| if (m_xads != null) { |
| PooledConnection poolConn = null; |
| try { |
| poolConn = m_xads.getXAConnection(configProps.getUser(), configProps.getPassword()); |
| } catch (SQLException sqx) { |
| throw new PoolException( |
| "TranxPoolCacheImpl::getNewConnection: Exception in creating new transaction PooledConnection", |
| sqx); |
| } |
| poolConn.addConnectionEventListener((javax.sql.ConnectionEventListener) connEventListner); |
| return poolConn; |
| } else { |
| if (logger.isDebugEnabled()) { |
| logger.debug( |
| "TranxPoolCacheImpl::getNewConnection: ConnectionPoolCache not intialized with XADatasource"); |
| } |
| throw new PoolException( |
| "TranxPoolCacheImpl::getNewConnection: ConnectionPoolCache not intialized with XADatasource"); |
| } |
| } |
| |
| /** |
| * Used by unit tests |
| */ |
| @VisibleForTesting |
| void setXADataSource(XADataSource xads) { |
| m_xads = xads; |
| } |
| } |