content: /*
   * 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.queue;
  
  import java.util.concurrent.ArrayBlockingQueue;
  import java.util.concurrent.BlockingQueue;
  import java.util.concurrent.LinkedBlockingQueue;
  
  /**
   * Queue 性能测试
   * 
   * @author xianmao.hexm 2010-7-21 下午01:33:02
   */
  public class QueuePerfMain {
  
      private static byte[] testData = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
  
      private static BlockingQueue<byte[]> arrayQueue = new ArrayBlockingQueue<byte[]>(5000000);
      private static FixedQueue<byte[]> fixedQueue = new FixedQueue<byte[]>(5000000);
      private static Queue<byte[]> testQueue = new Queue<byte[]>();
      private static BlockingQueue<byte[]> linkedQueue = new LinkedBlockingQueue<byte[]>();
  
      public static void tArrayQueue() {
          new Thread() {
  
              @Override
              public void run() {
                  while (true) {
                      arrayQueue.offer(testData);
                  }
              }
          }.start();
  
          new Thread() {
  
              @Override
              public void run() {
                  int count = 0;
                  long num = 0;
                  while (true) {
                      try {
                          Thread.sleep(100L);
                      } catch (InterruptedException e) {
                      }
                      count++;
                      num += arrayQueue.size();
                      arrayQueue.clear();
                      if (count == 50) {
                          System.out.println(num / 50);
                          count = 0;
                          num = 0;
                      }
                  }
              }
          }.start();
      }
  
      public static void tFixedQueue() {
          new Thread() {
  
              @Override
              public void run() {
                  while (true) {
                      fixedQueue.offer(testData);
                  }
              }
          }.start();
  
          new Thread() {
  
              @Override
              public void run() {
                  int count = 0;
                  long num = 0;
                  while (true) {
                      try {
                          Thread.sleep(100L);
                      } catch (InterruptedException e) {
                      }
                      count++;
                      num += fixedQueue.size();
                      fixedQueue.clear();
                      if (count == 50) {
                          System.out.println(num / 50);
                          count = 0;
                          num = 0;
                      }
                  }
              }
          }.start();
      }
  
      public static void tQueue() {
          new Thread() {
  
              @Override
              public void run() {
                  while (true) {
                      testQueue.append(testData);
                  }
              }
          }.start();
  
          new Thread() {
  
              @Override
              public void run() {
                  int count = 0;
                  long num = 0;
                  while (true) {
                      try {
                          Thread.sleep(100L);
                      } catch (InterruptedException e) {
                      }
                      count++;
                      num += testQueue.size();
                      testQueue.clear();
                      if (count == 50) {
                          System.out.println(num / 50);
                          count = 0;
                          num = 0;
                      }
                  }
              }
          }.start();
      }
  
      public static void tLinkedQueue() {
          new Thread() {
  
              @Override
              public void run() {
                  while (true) {
                      linkedQueue.offer(testData);
                  }
              }
          }.start();
  
          new Thread() {
  
              @Override
              public void run() {
                  int count = 0;
                  long num = 0;
                  while (true) {
                      try {
                          Thread.sleep(100L);
                      } catch (InterruptedException e) {
                      }
                      count++;
                      num += linkedQueue.size();
                      linkedQueue.clear();
                      if (count == 50) {
                          System.out.println(num / 50);
                          count = 0;
                          num = 0;
                      }
                  }
              }
          }.start();
      }
  
      public static void main(String[] args) {
          // testArrayQueue();
          // testFixedQueue();
          // testQueue();
          // testLinkedQueue();
          // testTransferQueue();
      }
  
  }
  