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    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   
   18   package org.apache.geronimo.interceptor;
   19   
   20   
   21   /**
   22    *
   23    *
   24    *
   25    * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
   26    */
   27   public interface Interceptor {
   28   
   29       /**
   30        * Interceptor does a little work for the invocation and then invokes the next interceptor
   31        * in the chain.
   32        *
   33        * @param invocation the invocation for which work will be done
   34        * @return the result of the invocation (includes return or application Exception)
   35        * @throws java.lang.Throwable if a system exception occures while doing the work
   36        */
   37       InvocationResult invoke(Invocation invocation) throws Throwable;
   38   }

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