Java tutorial
package com.manpowergroup.cn.icloud.util; /* * Copyright 1999-2011 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. */ import java.sql.Connection; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.text.NumberFormat; import javax.sql.DataSource; import junit.framework.TestCase; import org.apache.commons.dbcp.BasicDataSource; import com.alibaba.druid.pool.DruidDataSource; import com.jolbox.bonecp.BoneCPDataSource; public class Case0 extends TestCase { private String jdbcUrl; private String user; private String password; private String driverClass; private int initialSize = 10; private int minIdle = 3; private int maxIdle = 10; private int maxActive = 10; private String validationQuery = "SELECT 1"; private boolean testOnBorrow = false; private long minEvictableIdleTimeMillis = 3000; public final int LOOP_COUNT = 5; public final int COUNT = 1000 * 1; protected void setUp() throws Exception { // jdbcUrl = "jdbc:fake:dragoon_v25masterdb"; // user = "dragoon25"; // password = "dragoon25"; // driverClass = "com.alibaba.druid.mock.MockDriver"; jdbcUrl = "jdbc:mysql://10.86.36.23:3306/icloud"; user = "root"; password = "mpcn2013"; } public void test_0() throws Exception { DruidDataSource dataSource = new DruidDataSource(); dataSource.setInitialSize(initialSize); dataSource.setMaxActive(maxActive); dataSource.setMinIdle(minIdle); dataSource.setPoolPreparedStatements(true); dataSource.setDriverClassName(driverClass); dataSource.setUrl(jdbcUrl); dataSource.setPoolPreparedStatements(true); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setValidationQuery(validationQuery); dataSource.setTestOnBorrow(testOnBorrow); dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis); for (int i = 0; i < LOOP_COUNT; ++i) { p0(dataSource, "druid"); } System.out.println(); } public void test_1() throws Exception { final BasicDataSource dataSource = new BasicDataSource(); dataSource.setInitialSize(initialSize); dataSource.setMaxActive(maxActive); dataSource.setMinIdle(minIdle); dataSource.setMaxIdle(maxIdle); dataSource.setPoolPreparedStatements(true); dataSource.setDriverClassName(driverClass); dataSource.setUrl(jdbcUrl); dataSource.setPoolPreparedStatements(true); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setValidationQuery(validationQuery); dataSource.setTestOnBorrow(testOnBorrow); dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis); for (int i = 0; i < LOOP_COUNT; ++i) { p0(dataSource, "dbcp"); } System.out.println(); } public void test_2() throws Exception { BoneCPDataSource dataSource = new BoneCPDataSource(); // dataSource.(10); // dataSource.setMaxActive(50); dataSource.setMinConnectionsPerPartition(minIdle); dataSource.setMaxConnectionsPerPartition(maxIdle); dataSource.setDriverClass(driverClass); dataSource.setJdbcUrl(jdbcUrl); // dataSource.setPoolPreparedStatements(true); // dataSource.setMaxOpenPreparedStatements(100); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setConnectionTestStatement(validationQuery); dataSource.setPartitionCount(1); for (int i = 0; i < LOOP_COUNT; ++i) { p0(dataSource, "boneCP"); } System.out.println(); } private void p0(DataSource dataSource, String name) throws SQLException { long startMillis = System.currentTimeMillis(); long startYGC = TestUtil.getYoungGC(); long startFullGC = TestUtil.getFullGC(); for (int i = 0; i < COUNT; ++i) { Connection conn = dataSource.getConnection(); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT 1"); rs.close(); stmt.close(); conn.close(); } long millis = System.currentTimeMillis() - startMillis; long ygc = TestUtil.getYoungGC() - startYGC; long fullGC = TestUtil.getFullGC() - startFullGC; System.out.println(name + " millis : " + NumberFormat.getInstance().format(millis) + ", YGC " + ygc + " FGC " + fullGC); } }