/*
* 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.KeyedPoolableObjectFactory;
import org.apache.commons.pool.PoolableObjectFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
import com.alibaba.otter.shared.communication.core.model.CommunicationParam;
import com.alibaba.otter.shared.communication.core.model.heart.HeartEvent;
/**
* 链接池内容管理工厂, @see {@linkplain GenericObjectPool} , {@linkplain PoolableObjectFactory}
*
* @author jianghang 2011-9-9 下午05:00:15
*/
public class CommunicationConnectionPoolableFactory implements KeyedPoolableObjectFactory {
private CommunicationConnectionFactory factory;
public CommunicationConnectionPoolableFactory(CommunicationConnectionFactory factory){
this.factory = factory;
}
public void destroyObject(Object key, Object obj) throws Exception {
if (obj instanceof CommunicationConnectionPoolable) {
factory.releaseConnection(((CommunicationConnectionPoolable) obj).getDelegate());// 关闭原始链接
} else {
throw new IllegalArgumentException("pool object is not CommunicationConnectionPoolable!");
}
}
public Object makeObject(Object key) throws Exception {
if (key instanceof CommunicationParam) {
return factory.createConnection((CommunicationParam) key);// 创建链接
} else {
throw new IllegalArgumentException("key object is not CommunicationParams!");
}
}
public void passivateObject(Object key, Object obj) throws Exception {
}
public void activateObject(Object key, Object obj) throws Exception {
}
public boolean validateObject(Object key, Object obj) {
if (obj instanceof CommunicationConnectionPoolable) {
CommunicationConnectionPoolable connection = (CommunicationConnectionPoolable) obj;
try {
Object value = connection.call(new HeartEvent());//发起一次心跳检查
return value != null;
} catch (Exception e) {
return false;
}
}
return false;
}
}