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Java > Open Source Codes > org > apache > tapestry > enhance > InjectEnhancementWorker


1 // Copyright 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
14

15 package org.apache.tapestry.enhance;
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17 import org.apache.tapestry.spec.InjectSpecification;
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19 /**
20  * A kind of enhancement worker dedicated to injection, based on the <inject> element of the
21  * specification. There are different types of injection which match up to different implementations
22  * of this interface (i.e., the Strategy pattern).
23  *
24  * @author Howard M. Lewis Ship
25  * @since 4.0
26  * @see org.apache.tapestry.spec.InjectSpecification
27  * @see org.apache.tapestry.enhance.DispatchToInjectWorker
28  */

29 public interface InjectEnhancementWorker
30 {
31     /**
32      * Perform the enhancement defined by the {@link org.apache.tapestry.spec.InjectSpecification}.
33      * Thrown runtime exceptions are caught and reported by the invoker.
34      */

35
36     public void performEnhancement(EnhancementOperation op, InjectSpecification spec);
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38 }
39
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