001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.collections4.functors;
018
019import org.apache.commons.collections4.Predicate;
020
021/**
022 * Defines a predicate that decorates one or more other predicates.
023 * <p>
024 * This interface enables tools to access the decorated predicates.
025 * </p>
026 *
027 * @since 3.1
028 */
029public interface PredicateDecorator<T> extends Predicate<T> {
030
031    /**
032     * Gets the predicates being decorated as an array.
033     * <p>
034     * The array may be the internal data structure of the predicate and thus
035     * should not be altered.
036     *
037     * @return the predicates being decorated
038     */
039    Predicate<? super T>[] getPredicates();
040
041}