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。
<dependency>
<groupId>com.alibaba.compileflow</groupId>
<artifactId>compileflow</artifactId>
<version>1.0.0</version>
</dependency>
IDEA 插件
public class PigFlow implements ProcessInstance {
private java.lang.Integer price = null;
public Map<String, Object> execute(Map<String, Object> _pContext) throws Exception {
price = (Integer)DataType.transfer(_pContext.get("price"), Integer.class);
Map<String, Object> _pResult = new HashMap<>();
decision8();
//AutoTaskNode: 付款
((BizMock)ObjectFactory.getInstance("com.example.compileflow.bean.BizMock")).payMoney(price);
_pResult.put("price", price);
return _pResult;
}
private void decision8() {
//DecisionNode: 计算费用
bizMockCalMoney();
if (price>=100) {
//超过100
{
//ScriptTaskNode: 春哥请客 腿打折
IExpressContext<String, Object> nfScriptContext = new DefaultContext<>();
nfScriptContext.put("price", price);
price = (java.lang.Integer)ScriptExecutorProvider.getInstance().getScriptExecutor("QL").execute("price*2", nfScriptContext);
}
} else {
//不超过100
{
//ScriptTaskNode: 冷冷请客 打5折
IExpressContext<String, Object> nfScriptContext = new DefaultContext<>();
nfScriptContext.put("price", price);
price = (java.lang.Integer)ScriptExecutorProvider.getInstance().getScriptExecutor("QL").execute("(round(price*0.5,0)).intValue()", nfScriptContext);
}
}
}
private void bizMockCalMoney() {
price = ((BizMock)ObjectFactory.getInstance("com.example.compileflow.bean.BizMock")).calMoney(price);
}
}
bpm单元测试
@Test
public void testProcess() throws Exception {
String code = "pig";
ProcessEngine<TbbpmModel> engine = ProcessEngineFactory.getProcessEngine();
System.out.println(engine.getJavaCode(code));
Map<String, Object> context = new HashMap<>();
context.put("price", 10);
Map<String, Object> execute = engine.execute(code, context);
System.out.println(execute);
}
假装在计算金额~~~~~~10
支付了~~~~~~5
[1]
compileflow IDEA 设计插件: https://github.com/compileflow/compileflow-designer-upgrade