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    }