Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||
SecondaryAnnotationWorker |
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| 1.0;1 |
1 | // Copyright 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.annotations; |
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16 | ||
17 | import java.lang.reflect.Method; |
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18 | ||
19 | import org.apache.hivemind.Resource; |
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20 | import org.apache.tapestry.enhance.EnhancementOperation; |
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21 | import org.apache.tapestry.spec.IComponentSpecification; |
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22 | ||
23 | /** |
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24 | * A chain-of-command interface for secondary annotation workers; workers that must execute |
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25 | * <em>after</em> other workers. |
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26 | * |
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27 | * @author Howard M. Lewis Ship |
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28 | */ |
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29 | public interface SecondaryAnnotationWorker |
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30 | { |
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31 | /** |
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32 | * Sees if the particular worker can process the method (because it handles an annotation |
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33 | * associated with the method). |
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34 | * |
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35 | * @param method |
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36 | * to check |
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37 | * @return true if the worker should be invoked, false otherwise |
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38 | */ |
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39 | boolean canEnhance(Method method); |
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40 | ||
41 | /** |
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42 | * Invoked an <em>all</em> workers in the command chain, if <em>any</em> worker returns true |
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43 | * from {@link #canEnhance(Method)}. |
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44 | * |
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45 | * @param op |
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46 | * enhancement operation |
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47 | * @param spec |
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48 | * specification for the component being enhanced |
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49 | * @param method |
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50 | * the method |
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51 | * @param classResource |
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52 | * a resource representing the class; combined with the method a |
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53 | * {@link org.apache.hivemind.Location} can be created |
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54 | */ |
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55 | void peformEnhancement(EnhancementOperation op, IComponentSpecification spec, |
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56 | Method method, Resource classResource); |
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57 | } |