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Java > Open Source Codes > org > apache > hivemind > definition > ContributionDefinition


1 // Copyright 2007 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.hivemind.definition;
16
17 /**
18  * Defines a contribution to a {@link ConfigurationPointDefinition}.
19  * The actual contribution is done by an instance of {@link Contribution}.
20  *
21  * @author Huegen
22  */
23 public interface ContributionDefinition extends ExtensionDefinition
24 {
25     /**
26      * @return the contribution implementation.
27      */
28     public Contribution getContribution();
29
30     /**
31      * @return true if the contribution is the initial one to be processed first. Only one
32      * contribution of a configuration point is allowed to return true here.
33      */
34     public boolean isInitalContribution();
35 }
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