Coverage Report - org.apache.camel.Predicate
 
Classes in this File Line Coverage Branch Coverage Complexity
Predicate
N/A 
N/A 
0
 
 1  
 /**
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.camel;
 18  
 
 19  
 /**
 20  
  * Evaluates a binary <a
 21  
  * href="http://activemq.apache.org/camel/predicate.html">predicate</a> on the
 22  
  * message exchange to support things like <a
 23  
  * href="http://activemq.apache.org/camel/scripting-languages.html">scripting
 24  
  * languages</a>, <a href="http://activemq.apache.org/camel/xquery.html">XQuery</a>
 25  
  * or <a href="http://activemq.apache.org/camel/sql.html">SQL</a> as well as
 26  
  * any arbitrary Java expression.
 27  
  * 
 28  
  * @version $Revision: 563607 $
 29  
  */
 30  
 public interface Predicate<E> {
 31  
 
 32  
     /**
 33  
      * Evaluates the predicate on the message exchange and returns true if this
 34  
      * exchange matches the predicate
 35  
      * 
 36  
      * @param exchange the message exchange
 37  
      * @return true if the predicate matches
 38  
      */
 39  
     boolean matches(E exchange);
 40  
 
 41  
     /**
 42  
      * Allows this predicate to be used nicely in testing to generate a nicely
 43  
      * formatted exception and message if this predicate does not match for the
 44  
      * given exchange.
 45  
      * 
 46  
      * @param text the description to use in the exception message
 47  
      * @param exchange the exchange to evaluate the expression on
 48  
      * @throws AssertionError if the predicate does not match
 49  
      */
 50  
     void assertMatches(String text, E exchange) throws AssertionError;
 51  
 
 52  
 }