content: /*
   * Copyright 1999-2018 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.benckmark.pool;
  
  import com.alibaba.druid.TestUtil;
  import com.alibaba.druid.pool.DruidDataSource;
  import junit.framework.TestCase;
  import org.apache.commons.dbcp.BasicDataSource;
  
  import javax.sql.DataSource;
  
  import java.sql.Connection;
  import java.sql.ResultSet;
  import java.sql.Statement;
  import java.text.NumberFormat;
  import java.util.concurrent.CountDownLatch;
  
  public class Case_Concurrent_50 extends TestCase {
      private String jdbcUrl;
      private String user;
      private String password;
      private String driverClass;
      private int initialSize;
      private int minIdle = 3;
      private int maxIdle = 5;
      private int maxActive = 10;
      private String validationQuery = "SELECT 1";
      private boolean testOnBorrow;
  
      private long minEvictableIdleTimeMillis = 3000;
      public final int LOOP_COUNT = 5;
      public final int COUNT = 1000 * 10;
  
      private final int THREAD_COUNT = 50;
  
      protected void setUp() throws Exception {
          jdbcUrl = "jdbc:fake:dragoon_v25masterdb";
          user = "dragoon25";
          password = "dragoon25";
          driverClass = "com.alibaba.druid.mock.MockDriver";
      }
  
      public void test_0() throws Exception {
          final DruidDataSource dataSource = new DruidDataSource();
  
          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.setMaxWait(6000);
          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();
      }
  
      private void p0(final DataSource dataSource, String name) throws Exception {
          long startMillis = System.currentTimeMillis();
          long startYGC = TestUtil.getYoungGC();
          long startFullGC = TestUtil.getFullGC();
  
          final CountDownLatch endLatch = new CountDownLatch(THREAD_COUNT);
          for (int i = 0; i < THREAD_COUNT; ++i) {
              Thread thread = new Thread() {
                  public void run() {
                      try {
                          for (int i = 0; i < COUNT; ++i) {
                              Connection conn = dataSource.getConnection();
                              Statement stmt = conn.createStatement();
                              ResultSet rs = stmt.executeQuery("SELECT 1");
                              Thread.sleep(0, 1000 * 100);
                              rs.close();
                              stmt.close();
                              conn.close();
                          }
  
                      } catch (Exception e) {
                          e.printStackTrace();
                      } finally {
                          endLatch.countDown();
                      }
                  }
              };
              thread.start();
          }
          endLatch.await();
  
          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);
      }
  }
  