/*
* Copyright 2002-2005 the original author or authors.
*
* 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 net.hasor.data.datasource;
import java.sql.Connection;
import java.sql.SQLException;
/**
* 连接管理器
* @version : 2013-10-30
* @author 赵永春(zyc@hasor.net)
*/
public interface ConnectionManager {
/**增加引用计数,一个因为持有人已被请求。*/
public void requested();
/**减少引用计数,一个因为持有人已被释放。 */
public void released() throws SQLException;
/**获取数据库连接。*/
public Connection getConnection() throws SQLException;
/**则表示当前数据库连接是否被打开，被打开的连接一定有引用。*/
public boolean isOpen();
}