org.gaixie.jibu.utils.ConnectionUtils.java Source code

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Here is the source code for org.gaixie.jibu.utils.ConnectionUtils.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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 org.gaixie.jibu.utils;

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

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.apache.commons.dbcp.BasicDataSourceFactory;
import org.gaixie.jibu.config.JibuConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * ?? DataSource
 * <p>
 */
public class ConnectionUtils {
    private static final Logger logger = LoggerFactory.getLogger(ConnectionUtils.class);
    private static DataSource dataSource = null;

    static {
        try {
            dataSource = BasicDataSourceFactory.createDataSource(JibuConfig.getProperties());
            logger.info("Successfully created datasource.");
        } catch (Exception e) {
            logger.error("Create DataSource failed.", e);
        }
    }

    /**
     *  Active 
     * <p>
     */
    public static int getMaxActive() {
        return ((BasicDataSource) dataSource).getMaxActive();
    }

    /**
     * ? Active 
     * <p>
     */
    public static int getNumActive() {
        return ((BasicDataSource) dataSource).getNumActive();
    }

    /**
     * ? Idle 
     * <p>
     */
    public static int getNumIdle() {
        return ((BasicDataSource) dataSource).getNumIdle();
    }

    /**
     * ?
     * <p>
     * @return ?
     */
    public static Connection getConnection() throws SQLException {
        return dataSource.getConnection();
    }

    /**
     * ???? jibu.properties ?
     * <p>
     * @param defaultAutoCommit ???
     */
    public static void setDefaultAutoCommit(boolean defaultAutoCommit) {
        BasicDataSource bds = (BasicDataSource) dataSource;
        bds.setDefaultAutoCommit(defaultAutoCommit);
    }
}