ConcurrentHashMapMain.java

/*
 * Copyright 2012-2015 org.opencloudb.
 *  
 * 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 org.opencloudb.util;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

/**
 * @author mycat
 */
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");
        }
    }

}