Coverage Report - org.apache.camel.Expression
 
Classes in this File Line Coverage Branch Coverage Complexity
Expression
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  
  * An <a href="http://activemq.apache.org/camel/expression.html">expression</a>
 21  
  * provides a plugin strategy for evaluating expressions on a message exchange to support things like
 22  
  * <a href="http://activemq.apache.org/camel/scripting-languages.html">scripting languages</a>,
 23  
  * <a href="http://activemq.apache.org/camel/xquery.html">XQuery</a>
 24  
  * or <a href="http://activemq.apache.org/camel/sql.html">SQL</a> as well
 25  
  * as any arbitrary Java expression.
 26  
  *
 27  
  *
 28  
  * @version $Revision: $
 29  
  */
 30  
 public interface Expression<E extends Exchange> {
 31  
 
 32  
     /**
 33  
      * Returns the value of the expression on the given exchange
 34  
      *
 35  
      * @param exchange the message exchange on which to evaluate the expression
 36  
      * @return the value of the expression
 37  
      */
 38  
     Object evaluate(E exchange);
 39  
 }