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本例代码：https://github.com/kangyonggan/acti-01.git

一、创建一个流程引擎ProcessEngine

1.1 添加Maven依赖

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<activiti.version>6.0.0</activiti.version>
<mysql.version>5.1.34</mysql.version>

...

<!--activiti-->
<dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-engine</artifactId>
    <version>${activiti.version}</version>
</dependency>

<!--mysql-->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>${mysql.version}</version>
</dependency>
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想法

  1. 在任何一个方法上加上注解，都要能打印出参、入参信息，而不局限于spring管理的类方法。
  2. 不要每次调用方法都要经过各种反射，而是编译时就把增强代码注入到方法第一行。这样性能更好。
  3. 可以自定义使用什么日志框架输出日志。

实验环境

  • 开发工具：idea或eclipse
  • 项目管理工具：maven3.3.9
  • jdk版本：1.8.0_144
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参考dubbo官方文档http://dubbo.io/User+Guide-zh.htm#UserGuide-zh-%E5%A4%9A%E6%B3%A8%E5%86%8C%E4%B8%AD%E5%BF%83

consumer.xml

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<?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:context="http://www.springframework.org/schema/context"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <context:annotation-config></context:annotation>
    <dubbo:application name="ENGINE_HELPER"></dubbo:application>

    <dubbo:registry id="dev_address" address="zookeeper://10.199.101.211:8080?backup=10.199.101.212:2181,10.199.101.213:2181"></dubbo:registry>
    <dubbo:registry id="uat_address" address="zookeeper://10.199.105.204:2181?backup=10.199.105.203:2181,10.199.105.202:2181" default="false"></dubbo:registry>

    <dubbo:reference id="bankEngineServiceDev" cluster="failfast"
                     interface="com.shhxzq.fin.bankengine.service.BankEngineService"
                     lazy="true" version="1.2.0" check="false" timeout="100000" registry="dev_address"></dubbo:reference>

    <dubbo:reference id="bankEngineServiceUat" cluster="failfast"
                     interface="com.shhxzq.fin.bankengine.service.BankEngineService"
                     lazy="true" version="1.2.0" check="false" timeout="100000" registry="uat_address"></dubbo:reference>

</beans>