Simple 注册中心
Simple 注册中心参考手册
Simple 注册中心本身就是一个普通的 Dubbo 服务,可以减少第三方依赖,使整体通讯方式一致。
配置
将 Simple 注册中心暴露成 Dubbo 服务:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">
<!-- 当前应用信息配置 -->
<dubbo:application name="simple-registry" />
<!-- 暴露服务协议配置 -->
<dubbo:protocol port="9090" />
<!-- 暴露服务配置 -->
<dubbo:service interface="org.apache.dubbo.registry.RegistryService" ref="registryService" registry="N/A" ondisconnect="disconnect" callbacks="1000">
<dubbo:method name="subscribe"><dubbo:argument index="1" callback="true" /></dubbo:method>
<dubbo:method name="unsubscribe"><dubbo:argument index="1" callback="false" /></dubbo:method>
</dubbo:service>
<!-- 简单注册中心实现,可自行扩展实现集群和状态同步 -->
<bean id="registryService" class="org.apache.dubbo.registry.simple.SimpleRegistryService" />
</beans>
引用 Simple Registry 服务:
<dubbo:registry address="127.0.0.1:9090" />
或者:
<dubbo:service interface="org.apache.dubbo.registry.RegistryService" group="simple" version="1.0.0" ... >
或者:
<dubbo:registry address="127.0.0.1:9090" group="simple" version="1.0.0" />
适用性说明
此 SimpleRegistryService
只是简单实现,不支持集群,可作为自定义注册中心的参考,但不适合直接用于生产环境。
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最后修改 July 23, 2021: update metadata doc, add application level metadata info. (#876) (e71a2ba)