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Java > Open Source Codes > org > apache > tapestry > annotations > ClassAnnotationEnhancementWorker


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 org.apache.hivemind.Location;
18 import org.apache.tapestry.enhance.EnhancementOperation;
19 import org.apache.tapestry.spec.IComponentSpecification;
20
21 /**
22  * Defines workers that perform annotation enhancements at the class level.
23  *
24  * @author Howard Lewis Ship
25  * @since 4.0
26  */
27 public interface ClassAnnotationEnhancementWorker
28 {
29     /**
30      * Performs a particular enhancement based on a registered annotation. Exception reporting is
31      * the responsibility of the caller.
32      *
33      * @param op
34      * the enhancement operaration
35      * @param spec
36      * the specification of the component for which a class is being enhanced
37      * @param baseClass
38      * the class containing the annotation
39      * @param location
40      * the location associated with the annotation
41      */
42
43     public void performEnhancement(EnhancementOperation op, IComponentSpecification spec,
44             Class JavaDoc baseClass, Location location);
45
46 }
47
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