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1. Dubbo's @Activate example @SPI public interface ActivateExt { String echo(String msg); } @Activate(group = {"default"}) public class ActivateExtImpl1 implements ActivateExt { @Override public String echo(String msg) { return msg; } } @Activate(group = {"group1", "group2"}) public class GroupActivateExtImpl implements ...

Links to the original text: http://www.cnblogs.com/JAYIT/p/9642389.html dubbo official documents: http://dubbo.apache.org/zh-cn/docs/user/quick-start.html demo based on spring coloud: http://start.dubbo.io The introduction of dubbo ...

order This article focuses on dubbo's dubbo Component Scan Registrar. DubboComponentScanRegistrar dubbo-2.7.3/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/annotation/DubboComponentScanRegistrar.java public class DubboComponentScanRegistrar implements ImportBeanDefinitionRegistrar { @Override pub ...

Define an exception class in a common package that inherits from RuntimeException. public class BusinessException extends RuntimeException { /** * Abnormal code */ private String code; public BusinessException() { super(); } public BusinessException(String message) { super(message); ...

The previous section analyses the logic of provider directory refresh and connection between consumers and providers introduced by services, and analyses the following major packaging levels, which I divide into three layers MockClusterInvoker in ...

The last section talks about the configuration and parameter subscription of service introduction. After parameter subscription, the consumer obtains the provider url, the configurer url, and the routing URL under the corresponding interface classifi ...

Preface On February 16, 2018, Apache Dubbo joined the Apache Foundation incubator. On May 16, 2019, the board of directors of the Apache Software Foundation approved the graduation application of Apache Dubbo, which means that Apache Dubbo has officially become Apache's top project. To configure When Dubbo donates sperm to Apache, it means tha ...

Want to know the implementation strategy of Dubbo custom load balancing, First of all, we need to understand the SPI mechanism. See the article.( https://www.jianshu.com/p/46b42f7f593c) Understanding the SPI mechanism, we extend Dubbo's load balancing strategy based on Dubbo's SPI mechanism In brief, dubbo's SPI has been extended and impleme ...

At present, many businesses use micro-service architecture. There are two ways to divide service modules: Service Function Division Business Division Either way, an interface call requires multiple services to be completed in collaboration. A ...

1. Overview In this article, let's share Spring Cloud Alibaba Dubbo Source Parsing for the project to see how Dubbo is integrated into Spring Cloud. _Spring Cloud and Dubbo have never been competitive, so fat friends need to understand them we ...