com.weibo.datasys.parser.sql.DBConnectionFactory.java Source code

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Here is the source code for com.weibo.datasys.parser.sql.DBConnectionFactory.java

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/**
 *  Copyright (c)  2016-2020 Weibo, Inc.
 *  All rights reserved.
 *
 *  This software is the confidential and proprietary information of Weibo, 
 *  Inc. ("Confidential Information"). You shall not
 *  disclose such Confidential Information and shall use it only in
 *  accordance with the terms of the license agreement you entered into with Weibo.
 */
package com.weibo.datasys.parser.sql;

import java.sql.Connection;
import java.sql.SQLException;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;

import com.weibo.datasys.common.conf.ConfigFactory;

public class DBConnectionFactory {

    private static DataSource ds = null;

    public static void init() {
        BasicDataSource dataSource = new BasicDataSource();
        dataSource.setDriverClassName(ConfigFactory.getString("jdbc.driverClassName"));
        dataSource.setUrl(ConfigFactory.getString("jdbc.url"));
        dataSource.setUsername(ConfigFactory.getString("jdbc.username"));
        dataSource.setPassword(ConfigFactory.getString("jdbc.password"));

        dataSource.setInitialSize(ConfigFactory.getInt("jdbc.initialSize", 1));
        dataSource.setMinIdle(ConfigFactory.getInt("jdbc.minIdle", 2));
        dataSource.setMaxIdle(ConfigFactory.getInt("jdbc.maxIdle", 10));
        dataSource.setMaxWait(ConfigFactory.getInt("jdbc.maxWait", 1000));
        dataSource.setMaxActive(ConfigFactory.getInt("jdbc.maxActive", 2));
        dataSource.addConnectionProperty("autoReconnect", "true");
        // ??
        dataSource.setTestWhileIdle(true);
        // ?sql?
        dataSource.setValidationQuery("select 'test'");
        // ?
        dataSource.setValidationQueryTimeout(5000);
        // 
        dataSource.setTimeBetweenEvictionRunsMillis(3600000);
        // ??
        dataSource.setMinEvictableIdleTimeMillis(3600000);

        ds = dataSource;
    }

    /**
     * 
     * @return
     * @throws SQLException
     */
    public static Connection getConnection() throws SQLException {
        return ds.getConnection();
    }

    public static void main(String[] args) throws SQLException {
        ConfigFactory.init("conf/config.xml");
        init();
        Connection conn = getConnection();
        System.out.println(conn.getCatalog());
    }
}