001 /** 002 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.security.auth; 016 017 import com.liferay.portal.kernel.concurrent.ConcurrentHashSet; 018 019 import java.util.Set; 020 021 /** 022 * @author Michael C. Han 023 */ 024 public class DefaultAuthenticatedUserUUIDStoreImpl 025 implements AuthenticatedUserUUIDStore { 026 027 public boolean exists(String userUUID) { 028 return _userUUIDStore.contains(userUUID); 029 } 030 031 public boolean register(String userUUID) { 032 return _userUUIDStore.add(userUUID); 033 } 034 035 public boolean unregister(String userUUID) { 036 return _userUUIDStore.remove(userUUID); 037 } 038 039 private Set<String> _userUUIDStore = new ConcurrentHashSet<String>(); 040 041 }