[GitHub] zhouzhipeng opened a new pull request #1511: ���������������������������Reference���������

[GitBox <gi...@apache.org>]

zhouzhipeng opened a new pull request #1511: 增加特性：动态获取Reference服务类
URL: https://github.com/apache/incubator-dubbo/pull/1511
 
 
   ## 动态获取Reference服务
   
   支持dubbo reference服务动态获取, 方便同一接口有多个dubbo实现类的场景。（可以通过group区分, eg: 从配置动态获取group名称来动态调用指定的group实现的服务，见下方示例代码）
   
   ## 服务提供方代码示例
   ```java
   
       @Service(group = "abctest")
       public class TagSearchServiceImpl implements TagSearchService {
       ...
       }
   
   
       @Service(group = "abctest2")
       public class TagSearchServiceImpl2 implements TagSearchService {
       ...
       }
   ```
   
   
   ## 消费端代码示例
   ```java
       //注入服务
       @Autowired
       private DynamicReferenceService dynamicReferenceService;
   ```
   
   ```java
   
       // 业务代码，动态获取指定接口和group的实现类
       RefConf rc=new RefConf();
   
       rc.group="abctest"; //或者 abctest2, 建议动态获取
   
       TagSearchService tagSearchService = dynamicReferenceService.getDubboService(TagSearchService.class,rc);
   
   ```
   

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