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.util;
  
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.ConcurrentMap;
  
  /**
   * @author xianmao.hexm
   */
  public class ConcurrentHashMapMain {
  
      private final ConcurrentMap<String, String> cm;
  
      public ConcurrentHashMapMain() {
          cm = new ConcurrentHashMap<String, String>();
          cm.put("abcdefg", "abcdefghijk");
      }
  
      public void tGet() {
          for (int i = 0; i < 1000000; i++) {
              cm.get("abcdefg");
          }
      }
  
      public void tGetNone() {
          for (int i = 0; i < 1000000; i++) {
              cm.get("abcdefghijk");
          }
      }
  
      public void tEmpty() {
          for (int i = 0; i < 1000000; i++) {
              cm.isEmpty();
          }
      }
  
      public void tRemove() {
          for (int i = 0; i < 1000000; i++) {
              cm.remove("abcdefg");
          }
      }
  
  }
  