predicatedecorator.java

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/*
 *  Copyright 2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.commons.collections.functors;

import org.apache.commons.collections.Predicate;

/**
 * Defines a predicate that decorates one or more other predicates.
 * <p>
 * This interface enables tools to access the decorated predicates.
 * 
 * @since Commons Collections 3.1
 * @version $Revision: 1.1 $ $Date: 2004/05/31 16:43:17 $
 * 
 * @author Stephen Colebourne
 */
public interface PredicateDecorator extends Predicate {

    /**
     * Gets the predicates being decorated as an array.
     * <p>
     * The array may be the internal data structure of the predicate and thus
     * should not be altered.
     * 
     * @return the predicates being decorated
     */
    Predicate[] getPredicates();

}