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普通接口与实现类
public interface DemoService
{
String sayHello(String msg);
}
public class DemoServiceImpl implements DemoService
{
@Override
public String sayHello(String msg)
{
return "hello " + msg;
}
}
dubbo服务提供者配置
<?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://code.alibabatech.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="hello-world-app"/>
<!-- 使用multicast广播注册中心暴露服务地址 -->
<!--<dubbo:registry address="multicast://224.5.6.7:1234"/>-->
<!-- 用dubbo协议在20880端口暴露服务 -->
<dubbo:protocol name="rmi" port="9123" codec="spring"/>
<!-- 声明需要暴露的服务接口 -->
<dubbo:service interface="com.dubbo.rmi.DemoService" ref="demoService" registry="N/A" path="hello"/>
<!-- 和本地bean一样实现服务 -->
<bean id="demoService" class="com.dubbo.rmi.DemoServiceImpl"/>
</beans>
dubbo服务消费者配置
<?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://code.alibabatech.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="hello-world-app-consumer"/>
<!-- 使用multicast广播注册中心暴露服务地址 -->
<!-- <dubbo:registry address="multicast://224.5.6.7:1234"/> -->
<!-- 声明需要暴露的服务接口 -->
<dubbo:reference interface="com.dubbo.rmi.DemoService" id="demoService" url="rmi://localhost:9123/hello" registry="N/A"/>
</beans>
springRMI服务配置
<?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:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<!--RMI的服务实现类-->
<bean id="demoService" class="com.dubbo.rmi.DemoServiceImpl" />
<bean id="serviceExporter" class="org.springframework.remoting.rmi.RmiServiceExporter">
<!--配置RMI的服务实现类-->
<property name="service" ref="demoService" />
<!--配置RMI的服务接口-->
<property name="serviceInterface" value="com.dubbo.rmi.DemoService"/>
<!--暴露的对外服务名-->
<property name="serviceName" value="hello" />
<!--服务本地注册端口-->
<property name="registryPort" value="9123" />
<!--服务对外暴露端口-->
<property name="servicePort" value="9123" />
<!--注册服务-->
<property name="alwaysCreateRegistry" value="true" />
</bean>
</beans>
springRMI客户端配置
<?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:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean id="demoService" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">
<property name="serviceUrl" value="rmi://localhost:9123/hello" />
<property name="serviceInterface" value="com.dubbo.rmi.DemoService"/>
</bean>
</beans>
dubboRMI与springRMI相互调用注意点
端口须匹配
<dubbo:service path="hello"> 与 springRMI配置<property name="serviceName" value="hello" /> 要一致, dubbo默认为接口全路径
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