| /* |
| * 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.io.Serializable; |
| |
| import javax.sql.ConnectionPoolDataSource; |
| import javax.sql.XADataSource; |
| |
| /** |
| * GemFireConnectionPoolManager implements ConnectionProvider interface for managing the the |
| * conection pools(with and wothout transactions). |
| * |
| */ |
| public class GemFireConnectionPoolManager implements ConnectionProvider, Serializable { |
| private static final long serialVersionUID = 23723212980453813L; |
| protected ConnectionPoolCache connPoolCache; |
| |
| /** |
| * Creates a new instance of GemFireConnectionPoolManager |
| * |
| * @param connPool ConnectionPoolDataSource object from the database driver |
| * @param configs The ConfiguredDataSourceProperties containing the pool properties. |
| * @param listener Connection event listner for the connections. |
| */ |
| public GemFireConnectionPoolManager(ConnectionPoolDataSource connPool, |
| ConfiguredDataSourceProperties configs, javax.sql.ConnectionEventListener listener) |
| throws PoolException { |
| connPoolCache = new ConnectionPoolCacheImpl(connPool, listener, configs); |
| } |
| |
| /** |
| * Creates a new instance of GemFireConnectionPoolManager. Overloaded function |
| * |
| * @param connPool XADataSource object from the database driver |
| * @param configs The ConfiguredDataSourceProperties containing the pool properties. |
| * @param listener Connection event listner for the connections. |
| */ |
| public GemFireConnectionPoolManager(XADataSource connPool, ConfiguredDataSourceProperties configs, |
| javax.sql.ConnectionEventListener listener) throws PoolException { |
| connPoolCache = new TranxPoolCacheImpl(connPool, listener, configs); |
| } |
| |
| /** |
| * Returns a PooledConnection object from the pool. Default username and password are used. |
| * |
| * @return Connection Object from Pool. |
| */ |
| @Override |
| public Object borrowConnection() throws PoolException { |
| return connPoolCache.getPooledConnectionFromPool(); |
| } |
| |
| /** |
| * Returns the connection to the pool and the closes it. |
| * |
| * |
| */ |
| @Override |
| public void returnAndExpireConnection(Object connectionObject) { |
| // Asif : The connection is already in the activeCache, but the |
| // sql.Connecttion object is not valid , so this PooledConnection |
| // needs to be destroyed. We should just change the timestamp |
| // associated with the PooledObject such that it will be picked |
| // up by the cleaner thread. |
| connPoolCache.expirePooledConnection(connectionObject); |
| } |
| |
| /** |
| * Return connection to pool |
| * |
| */ |
| @Override |
| public void returnConnection(Object connectionObject) { |
| connPoolCache.returnPooledConnectionToPool(connectionObject); |
| } |
| |
| public ConnectionPoolCache getConnectionPoolCache() { |
| return connPoolCache; |
| } |
| |
| /** |
| * Clean up the resources before restart of Cache |
| */ |
| @Override |
| public void clearUp() { |
| connPoolCache.clearUp(); |
| } |
| } |