AutowiringStrategy


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.service;
16  
17  import org.apache.hivemind.internal.RegistryInfrastructure;
18  
19  /**
20   * Wires a single property of an object with a service from the hivemind registry. 
21   * The implementations of this interface can use different strategies for 
22   * finding a matching service. 
23   * 
24   * @author Achim Huegen
25   */
26  public interface AutowiringStrategy
27  {
28      /**
29       * Strategy that searches for services by the type of a property.
30       */
31      public final static String   BY_TYPE = "ByType";
32  
33      /**
34       * Autowire a single property. 
35       * @param registry  registry for lookup of services
36       * @param target  the target object
37       * @param propertyName  name of the property
38       * @return  true if the wiring has succeeded
39       */
40      public boolean autowireProperty(RegistryInfrastructure registry, Object   target, String   propertyName);
41  }
42

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