dubbo
zookeeper 注册中心
dubbo.registry.address=zookeeper://localhost:2181
import java.util.List;
public interface SampleService {
String sayHello(String name);
public List getUsers();
}
import java.util.ArrayList;
import java.util.List;
import bhz.dubbo.sample.provider.SampleService;
public class SampleServiceImpl implements SampleService {
public String sayHello(String name) {
return "Hello " + name;
}
public List getUsers() {
List list = new ArrayList();
User u1 = new User();
u1.setName("jack");
u1.setAge(20);
u1.setSex("m");
User u2 = new User();
u2.setName("tom");
u2.setAge(21);
u2.setSex("m");
User u3 = new User();
u3.setName("rose");
u3.setAge(19);
u3.setSex("w");
list.add(u1);
list.add(u2);
list.add(u3);
return list;
}
}
import java.io.Serializable;
public class User implements Serializable {
private static final long serialVersionUID = 1L;
private int age;
private String name;
private String sex;
public User() {
super();
}
public User(int age, String name, String sex) {
super();
this.age = age;
this.name = name;
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}
<?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
">
<!-- 具体的实现bean -->
<bean id="sampleService" class="com.dubbo.sample.provider.impl.SampleServiceImpl" />
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="sample-provider" />
<!-- 使用zookeeper注册中心暴露服务地址 -->
<dubbo:registry address="zookeeper://localhost:2181" />
<!-- 用dubbo协议在20880端口暴露服务 -->
<dubbo:protocol name="dubbo" port="20880" />
<!-- 声明需要暴露的服务接口 写操作可以设置retries=0 避免重复调用SOA服务 -->
<dubbo:service retries="0" interface="com.dubbo.sample.provider.SampleService" ref="sampleService" />
</beans>
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Provider {
public static void main(String[] args) throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
new String[] { "sample-provider.xml" });
context.start();
System.in.read(); // 为保证服务一直开着,利用输入流的阻塞来模拟
}
}
import java.util.List;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import bhz.dubbo.sample.provider.SampleService;
public class Consumer {
public static void main(String[] args) throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
new String[] { "sample-consumer.xml" });
context.start();
SampleService sampleService = (SampleService) context.getBean("sampleService");
String hello = sampleService.sayHello("tom");
System.out.println(hello);
List list = sampleService.getUsers();
if (list != null && list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
System.in.read();
}
}
import java.util.List;
public interface SampleService {
String sayHello(String name);
public List getUsers();
}
<?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
">
<!-- 消费方应用名,用于计算依赖关系,不是匹配条件,不要与提供方一样 -->
<dubbo:application name="sample-consumer" />
<dubbo:registry address="zookeeper://localhost:2181" />
<!-- 生成远程服务代理,可以像使用本地bean一样使用demoService 检查级联依赖关系 默认为true 当有依赖服务的时候,需要根据需求进行设置 -->
<dubbo:reference id="sampleService" check="false"
interface="com.dubbo.sample.provider.SampleService" />
</beans>