| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.performance.java; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * Measure the concurrency of ConcurrentHashMap. |
| */ |
| public class ConcurrentHashMapPutConcurrentTest extends ConcurrentPerformanceComparisonTest { |
| protected ConcurrentHashMap map; |
| protected Integer[] keys = new Integer[100]; |
| |
| public ConcurrentHashMapPutConcurrentTest() { |
| setDescription("Measure the concurrency of ConcurrentHashMap."); |
| for (int index = 0; index < 100; index ++) { |
| this.keys[index] = index; |
| } |
| } |
| |
| @Override |
| public void setup() { |
| super.setup(); |
| map = new ConcurrentHashMap(100); |
| for (int index = 0; index < 100; index++) { |
| map.put(index, index); |
| } |
| } |
| |
| @Override |
| public void runTask() throws Exception { |
| for (int index = 0; index < 100; index ++) { |
| Integer value = (Integer)this.map.put(this.keys[index],this.keys[index]); |
| } |
| } |
| } |