BPMN 2.0 - Activiti Setup

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项目需要, 需要将BPMN 2.0应用到项目中. 参考了下现有的BPMN 2.0标准的一些现有在流行的框架技术, 选择了 Activiti 进行学习.

项目构建

以spring-boot加上Activiti构建项目

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<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.10.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring-boot-starter-basic</artifactId>
        </dependency>
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring-boot-starter-jpa</artifactId>
        </dependency>
        <!--<dependency>-->
            <!--<groupId>org.activiti</groupId>-->
            <!--<artifactId>activiti-spring-boot-starter-rest-api</artifactId>-->
        <!--</dependency>-->
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring-boot-starter-actuator</artifactId>
        </dependency>
        <!--<dependency>-->
            <!--<groupId>com.h2database</groupId>-->
            <!--<artifactId>h2</artifactId>-->
        <!--</dependency>-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.subethamail</groupId>
            <artifactId>subethasmtp-wiser</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-basic</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-jpa</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-rest-api</artifactId>
                <!--<artifactId>spring-boot-starter-rest-api</artifactId>-->
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-actuator</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>com.h2database</groupId>
                <artifactId>h2</artifactId>
                <version>1.4.196</version>
            </dependency>

            <!-- Testing -->
            <dependency>
                <groupId>org.subethamail</groupId>
                <artifactId>subethasmtp-wiser</artifactId>
                <version>1.2</version>
                <scope>test</scope>
                <exclusions>
                    <exclusion>
                        <groupId>javax.servlet</groupId>
                        <artifactId>servlet-api</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>

        <activiti.version>6.0.0</activiti.version>

        <test.db.host>localhost</test.db.host>
        <test.db.port>3306</test.db.port>
        <test.db.name>bpmn_demo_v1</test.db.name>
        <test.db.username>root</test.db.username>
        <test.db.password>password</test.db.password>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

数据源配置 (application.yml):

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spring:
  jpa:
    hibernate:
      ddl-auto: update

  datasource:
    url: jdbc:mysql://@test.db.host@:@test.db.port@/@test.db.name@?createDatabaseIfNotExist=true
    driver-class-name: com.mysql.jdbc.Driver
    username: @test.db.username@
    password: @test.db.password@
`

Java Config项目配置

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@ComponentScan({ "org.wangy.bpmn.demo.v1.service", "org.wangy.bpmn.demo.v1.controller" })
@Configuration
@EnableJpaRepositories("org.wangy.bpmn.demo.v1.repository")
@EntityScan("org.wangy.bpmn.demo.v1.domain")
public class LaunchConfig {
   ...
}

接下来, 我们通过一些例子来测试工作流

- [动态发布工作流](./activiti-dynamic-deploy.md)
- [动态分配流程任务执行人](./activiti-dynamic-assignee.md)