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README
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compileflow

📖 查看📖 英文版文档.

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1. compileflow是什么

compileflow是一个非常轻量、高性能、可集成、可扩展的流程引擎。

compileflow Process引擎是淘宝工作流TBBPM引擎之一,是专注于纯内存执行,无状态的流程引擎,通过将流程文件转换生成java代码编译执行,简洁高效。当前是阿里业务中台交易等多个核心系统的流程引擎。

compileflow能让开发人员通过流程编辑器设计自己的业务流程,将复杂的业务逻辑可视化,为业务设计人员与开发工程师架起了一座桥梁。

2. Design Intention

  1. 希望为业务开发提供端至端,从设计至实现的业务流程解决方案。
  2. 提供多种流程引擎,实现从战略至商业能力,商业能力至业务流程,业务流程至系统,并最终实现业务的可视化全局架构。
  3. 设计高效的执行引擎,实现对服务的快速组合或扩展,提升ideavalue的研发响应与交互速度。

3. Features

  1. 高性能:通过将流程文件转换生成java代码编译执行,简洁高效。
  2. 丰富的应用场景:在阿里巴巴中台解决方案中广泛使用,支撑了导购、交易、履约、资金等多个业务场景。
  3. 可集成:轻量、简洁的设计使得可以极其方便地集成到各个解决方案和业务场景中。
  4. 完善的插件支持:流程设计目前有IntelliJ IDEAEclipse插件支持,可以在流程设计中实时动态生成java代码并预览,所见即所得。
  5. 支持流程设计图导出svg文件和单元测试代码。

4. Quick Start

Step1: 下载安装IntelliJ IDEA插件(可选)

插件下载地址:https://github.com/alibaba/compileflow-idea-designer

安装说明:请使用IntelliJ IDEA本地安装方法进行安装,重新启动IntelliJ IDEA就会生效。

Step2: 引入POM文件

<dependency>
    <groupId>com.alibaba.compileflow</groupId>
    <artifactId>compileflow</artifactId>
    <version>1.0.0</version>
</dependency>

可以在 search.maven.org 查看可用的版本。

注意: compileflow仅支持JDK 1.8及以上版本。

Step3: 流程设计

下面以ktv demo为例,通过demo的演示和实践了解节点及属性的配置和API的使用。

demo描述:N个人去ktv唱歌,每人唱首歌,ktv消费原价为30元/人,如果总价超过300打九折,小于300按原价付款。

S3.1

创建bpm文件,如下图:
ktv_demo_s1

注:bpm文件路径要和code保持一致,在文件加载模式下流程引擎执行时会根据code找到文件。

S3.2

通过插件进行流程设计或者直接编写流程xml文件。

S3.3 调用流程

编写如下单元测试:

public void testProcessEngine() {
    final String code = "bpm.ktv.ktvExample";

    final Map<String, Object> context = new HashMap<>();
    final List<String> pList = new ArrayList<>();
    pList.add("wuxiang");
    pList.add("xuan");
    pList.add("yusu");
    context.put("pList", pList);

    final ProcessEngine<TbbpmModel> processEngine = ProcessEngineFactory.getProcessEngine();

    final TbbpmModel tbbpmModel = processEngine.load(code);
    final OutputStream outputStream = TbbpmModelConverter.getInstance().convertToStream(tbbpmModel);
    System.out.println(outputStream);
    System.out.println(processEngine.getTestCode(code));

    processEngine.preCompile(code);

    System.out.println(processEngine.start(code, context));
}

compileflow原生只支持淘宝BPM规范,为兼容BPMN 2.0规范,做了一定适配,但仅支持部分BPMN 2.0元素,如需其他元素支持,可在原来基础上扩展。

5. 更多资料

6. 欢迎加入compileflow开发群

  1. 请钉钉联系 @余苏 @徐工 @梵度 @哲良 @无相

Known Users

如果您在使用,请让我们知道,您的使用对我们非常重要。请在下面链接的issue中回复:https://github.com/alibaba/compileflow/issues/9

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