Coverage Report - org.apache.tapestry.annotations.SecondaryAnnotationWorker
 
Classes in this File Line Coverage Branch Coverage Complexity
SecondaryAnnotationWorker
N/A
N/A
1
 
 1  
 // Copyright 2005 The Apache Software Foundation
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.annotations;
 16  
 
 17  
 import java.lang.reflect.Method;
 18  
 
 19  
 import org.apache.hivemind.Resource;
 20  
 import org.apache.tapestry.enhance.EnhancementOperation;
 21  
 import org.apache.tapestry.spec.IComponentSpecification;
 22  
 
 23  
 /**
 24  
  * A chain-of-command interface for secondary annotation workers; workers that must execute
 25  
  * <em>after</em> other workers.
 26  
  * 
 27  
  * @author Howard M. Lewis Ship
 28  
  */
 29  
 public interface SecondaryAnnotationWorker
 30  
 {
 31  
     /**
 32  
      * Sees if the particular worker can process the method (because it handles an annotation
 33  
      * associated with the method).
 34  
      * 
 35  
      * @param method
 36  
      *            to check
 37  
      * @return true if the worker should be invoked, false otherwise
 38  
      */
 39  
     boolean canEnhance(Method method);
 40  
 
 41  
     /**
 42  
      * Invoked an <em>all</em> workers in the command chain, if <em>any</em> worker returns true
 43  
      * from {@link #canEnhance(Method)}.
 44  
      * 
 45  
      * @param op
 46  
      *            enhancement operation
 47  
      * @param spec
 48  
      *            specification for the component being enhanced
 49  
      * @param method
 50  
      *            the method
 51  
      * @param classResource
 52  
      *            a resource representing the class; combined with the method a
 53  
      *            {@link org.apache.hivemind.Location} can be created
 54  
      */
 55  
     void peformEnhancement(EnhancementOperation op, IComponentSpecification spec,
 56  
             Method method, Resource classResource);
 57  
 }