/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * 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.druid.support.hibernate;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.Map;

import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
import org.hibernate.service.spi.Configurable;
import org.hibernate.service.spi.Stoppable;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidDataSourceFactory;

public class DruidConnectionProvider implements ConnectionProvider, Configurable, Stoppable {

    private static final long serialVersionUID = 1026193803901107651L;

    private DruidDataSource   dataSource;

    public DruidConnectionProvider(){
        dataSource = new DruidDataSource();
    }

    @SuppressWarnings("rawtypes")
    @Override
    public boolean isUnwrappableAs(Class unwrapType) {
        return dataSource.isWrapperFor(unwrapType);
    }

    @Override
    public <T> T unwrap(Class<T> unwrapType) {
        return dataSource.unwrap(unwrapType);
    }

    @Override
    public Connection getConnection() throws SQLException {
        return dataSource.getConnection();
    }

    @Override
    public void closeConnection(Connection conn) throws SQLException {
        conn.close();
    }

    @Override
    public boolean supportsAggressiveRelease() {
        return false;
    }

    @SuppressWarnings("rawtypes")
    @Override
    public void configure(Map configurationValues) {
        try {
            DruidDataSourceFactory.config(dataSource, configurationValues);
        } catch (SQLException e) {
            throw new IllegalArgumentException("config error", e);
        }
    }

    @Override
    public void stop() {
        dataSource.close();
    }

}