首页 > 代码库 > zookeeper使用
zookeeper使用
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>net.datafans</groupId> <artifactId>exercise.dubbo</artifactId> <version>1.0.0</version> <packaging>jar</packaging> <name>exercise.dubbo</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>3.1.1.RELEASE</spring.version> </properties> <repositories> <repository> <id>com.springsource.repository.bundles.release</id> <name>EBR Spring Release Repository</name> <url>http://repository.springsource.com/maven/bundles/release</url> </repository> <repository> <id>com.springsource.repository.bundles.external</id> <name>EBR External Release Repository</name> <url>http://repository.springsource.com/maven/bundles/external</url> </repository> </repositories> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.7</version> <scope>test</scope> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- dobbo begin --> <dependency> <groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId> <version>2.5.3</version> <exclusions> <exclusion> <artifactId>spring</artifactId> <groupId>org.springframework</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>3.4.5</version> </dependency> <dependency> <groupId>com.github.sgroschupf</groupId> <artifactId>zkclient</artifactId> <version>0.1</version> </dependency> <!-- dobbo end --> <!-- spring begin --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-asm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>net.sourceforge.cglib</groupId> <artifactId>com.springsource.net.sf.cglib</artifactId> <version>2.1.3</version> </dependency> <!-- spring end --> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-source-plugin</artifactId> <executions> <execution> <id>attach-sources</id> <goals> <goal>jar</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-javadoc-plugin</artifactId> <executions> <execution> <id>attach-javadocs</id> <goals> <goal>jar</goal> </goals> </execution> </executions> </plugin> </plugins> </build></project>
在自己主机上面安装zookeeper，然后就可以写代码了，我们计划是将接口底层跟上层相互分离；
consumer.xml：
<?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="consumer-of-helloworld-app" /> <dubbo:registry address="ip:port" protocol="zookeeper" /> <!-- 生成远程服务代理，可以和本地bean一样使用demoService --> <dubbo:reference id="demoService" interface="net.datafans.exercise.dubbo.DemoService" /> </beans>
provider.xml
<?xml version="1.0" encoding="UTF-8"?><beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns="http://www.springframework.org/schema/beans" 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="zookeeper-registry" /> <!-- 当前应用信息配置 --> <!-- 暴露服务协议配置 --><!-- <dubbo:registry address="ip:port" protocol="zookeeper" /> --> <dubbo:registry address="120.132.37.251:2181" protocol="zookeeper" /> <dubbo:protocol port="9090" /> <!-- 声明需要暴露的服务接口 --> <!-- 和本地bean一样实现服务 --> <bean id="demoService" class="net.datafans.exercise.dubbo.DemoServiceImpl" /> <dubbo:service interface="net.datafans.exercise.dubbo.DemoService" ref="demoService" > </dubbo:service></beans>
log4j.xml
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd"><log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"> <!-- Appenders --> <appender name="CONSOLE.ERR" class="org.apache.log4j.ConsoleAppender"> <param name="target" value=http://www.mamicode.com/"System.err" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%d %l %n%p: %m%n" /> </layout> <filter class="org.apache.log4j.varia.LevelRangeFilter"> <param name="LevelMin" value=http://www.mamicode.com/"warn" /> <param name="LevelMax" value=http://www.mamicode.com/"fatal" /> <param name="AcceptOnMatch" value=http://www.mamicode.com/"false" /> </filter> </appender> <appender name="CONSOLE.OUT" class="org.apache.log4j.ConsoleAppender"> <param name="target" value=http://www.mamicode.com/"System.out" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%d %l %n%p: %m%n" /> </layout> <filter class="org.apache.log4j.varia.LevelRangeFilter"> <param name="LevelMin" value=http://www.mamicode.com/"debug" /> <param name="LevelMax" value=http://www.mamicode.com/"info" /> <param name="AcceptOnMatch" value=http://www.mamicode.com/"false" /> </filter> </appender> <logger name="com.errout"> <level value=http://www.mamicode.com/"info" /> </logger> <!-- Root Logger --> <root> <priority value=http://www.mamicode.com/"warn" /> <appender-ref ref="CONSOLE.ERR" /> <appender-ref ref="CONSOLE.OUT" /> </root></log4j:configuration>
DemoService
package net.datafans.exercise.dubbo;public interface DemoService { String sayHello(String name);}
DemoServiceImpl
package net.datafans.exercise.dubbo;public class DemoServiceImpl implements DemoService { public String sayHello(String name) { System.out.println(name); return "Hello " + name; }}
Provider
package net.datafans.exercise.dubbo;import org.springframework.context.support.ClassPathXmlApplicationContext;public class Provider { public static void main(String[] args) throws Exception { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[] {"provider.xml"}); context.start(); System.in.read(); // } }
Consumer
package net.datafans.exercise.dubbo;import org.springframework.context.support.ClassPathXmlApplicationContext;public class Consumer { public static void main(String[] args) throws Exception { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[] { "consumer.xml" }); context.start(); for (int i = 0; i < 20000; i++) { long start = System.currentTimeMillis(); DemoService demoService = (DemoService) context.getBean("demoService"); // System.out.println(demoService.sayHello("world")); long end = System.currentTimeMillis(); System.out.println(end - start); System.in.read(); } // long end = System.currentTimeMillis(); // System.out.println("TPS: " + 20000 / ((end - start) / 1000.0)); // System.out.println(end-start); }}
zookeeper使用
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。