/*
* Copyright (C) 2010-2101 Alibaba Group Holding Limited.
*
* Licensed 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 com.alibaba.otter.shared.communication.core.impl.connection;
import org.apache.commons.pool.impl.GenericKeyedObjectPool;
import com.alibaba.otter.shared.communication.core.exception.CommunicationException;
import com.alibaba.otter.shared.communication.core.impl.rmi.RmiCommunicationConnectionFactory;
import com.alibaba.otter.shared.communication.core.model.CommunicationParam;
/**
* @author jianghang 2011-9-9 下午05:48:13
*/
public class CommunicationConnectionPoolFactory implements CommunicationConnectionFactory {
private volatile GenericKeyedObjectPool pool = null;
private CommunicationConnectionFactory factory = new RmiCommunicationConnectionFactory();
private int maxActive = 10;
public CommunicationConnectionPoolFactory(){
}
public CommunicationConnectionPoolFactory(CommunicationConnectionFactory factory){
this.factory = factory;
initial();
}
public void initial() {
if (factory == null) {
throw new IllegalArgumentException("factory is null!");
}
// 创建链接池对象
pool = new GenericKeyedObjectPool();
pool.setMaxActive(maxActive);
pool.setMaxIdle(maxActive);
pool.setMinIdle(0);
pool.setMaxWait(60 * 1000); // 60s
pool.setTestOnBorrow(false);
pool.setTestOnReturn(false);
pool.setTimeBetweenEvictionRunsMillis(10 * 1000);
pool.setNumTestsPerEvictionRun(maxActive * 2);
pool.setMinEvictableIdleTimeMillis(30 * 60 * 1000);
pool.setTestWhileIdle(true);
pool.setFactory(new CommunicationConnectionPoolableFactory(factory)); // 设置连接池管理对象
}
public void destory() {
try {
pool.close();
} catch (Exception e) {
throw new CommunicationException("Connection_Pool_Close_Error", e);
}
}
public CommunicationConnection createConnection(CommunicationParam params) {
try {
CommunicationConnectionPoolable poolable = new CommunicationConnectionPoolable(
(CommunicationConnection) pool.borrowObject(params),
this);
return poolable;
} catch (Exception e) {
throw new CommunicationException("createConnection_error", e);
}
}
public void releaseConnection(CommunicationConnection connection) {
try {
pool.returnObject(connection.getParams(), connection);
} catch (Exception e) {
throw new CommunicationException("releaseConnection_error", e);
}
}
// ======================= setter / getter =======================
public void setFactory(CommunicationConnectionFactory factory) {
this.factory = factory;
}
public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
}
}