/* * 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"); } } }