/*
 * Copyright 1999-2012 Alibaba Group.
 *  
 * 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.cobar.manager.dao.delegate;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.beans.factory.InitializingBean;

public class DataSourceCreator implements DataSourceFactory, InitializingBean {

    private final String driverClassName = "com.mysql.jdbc.Driver";
    private int maxActive = 50;
    private int minIdle = 0;
    private long timeBetweenEvictionRunsMillis = 60 * 1000;//1min
    private int numTestsPerEvictionRun = -1;
    private long minEvictableIdleTimeMillis = 180 * 1000;//3min

    public void setMaxActive(int maxActive) {
        this.maxActive = maxActive;
    }

    public void setMinIdle(int minIdle) {
        this.minIdle = minIdle;
    }

    public void setTimeBetweenEvictionRunsMillis(long timeBetweenEvictionRunsMillis) {
        this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
    }

    public void setNumTestsPerEvictionRun(int numTestsPerEvictionRun) {
        this.numTestsPerEvictionRun = numTestsPerEvictionRun;
    }

    public void setMinEvictableIdleTimeMillis(long minEvictableIdleTimeMillis) {
        this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
    }

    @Override
    public DataSource createDataSource(String ip, int port, String user, String password) {
        BasicDataSource ds = new BasicDataSource();
        ds.setUsername(user);
        ds.setPassword(password);
        ds.setUrl(new StringBuilder().append("jdbc:mysql://")
                                     .append(ip)
                                     .append(":")
                                     .append(port)
                                     .append("/")
                                     .toString());
        ds.setDriverClassName(driverClassName);
        ds.setMaxActive(maxActive);
        ds.setMinIdle(minIdle);
        ds.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
        ds.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
        ds.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
        return ds;
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        // TODO Auto-generated method stub

    }
}