001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.camel.builder;
019    
020    import org.apache.camel.Exchange;
021    import org.apache.camel.Predicate;
022    
023    /**
024     * A Factory of {@link Predicate} objects typically implemented by a builder such as @{XPathBuilder}
025     * 
026     * @version $Revision: 521180 $
027     */
028    public interface PredicateFactory<E extends Exchange> {
029    
030        /**
031         * Creates a predicate object
032         *
033         * @return the newly created expression object
034         */
035        public Predicate<E> createPredicate();
036    }