001 /** 002 * Copyright (c) 2000-present 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.kernel.util; 016 017 /** 018 * @author Carlos Sierra Andr??s 019 */ 020 public interface PredicateFilter<T> { 021 022 @SuppressWarnings("rawtypes") 023 public static PredicateFilter ALL = new PredicateFilter<Object>() { 024 025 @Override 026 public boolean filter(Object object) { 027 return true; 028 } 029 030 }; 031 032 @SuppressWarnings("rawtypes") 033 public static PredicateFilter NONE = new PredicateFilter<Object>() { 034 035 @Override 036 public boolean filter(Object object) { 037 return false; 038 } 039 040 }; 041 042 public boolean filter(T t); 043 044 }