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Java > Open Source Codes > org > apache > hivemind > annotations > definition > Contribution


1 // Copyright 2007 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.
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15 package org.apache.hivemind.annotations.definition;
16
17 import java.lang.annotation.Documented JavaDoc;
18 import java.lang.annotation.ElementType JavaDoc;
19 import java.lang.annotation.Retention JavaDoc;
20 import java.lang.annotation.RetentionPolicy JavaDoc;
21 import java.lang.annotation.Target JavaDoc;
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23 /**
24  * Marks a method in an annotated module as contribution to a configuration point.
25  * The method can have one of two different signatures:
26  * 1. A void return type and a single parameter that must be compatible with the type of the configuration.
27  * 2. No parameter and a return type that must be compatible with the type of the configuration.
28  *
29  * @author Achim Huegen
30  */

31 @Documented JavaDoc
32 @Retention JavaDoc(value = RetentionPolicy.RUNTIME)
33 @Target JavaDoc(value = ElementType.METHOD)
34 public @interface Contribution {
35     String JavaDoc configurationId();
36 }
37
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