jbpm4.4学习总结（一）搭建环境、jpdl流程图

       目前正在开发一个使用jbpm引擎的请假工作流，其间遇到了很多问题，感谢ming提供的资料，得以解决……

• 1.1首先配置eclipse开发环境（GPD）我用eclipse-jee-3.7  

  打开eclipse 点击 ： help >>> install New Software 找到gpd文件夹下的这个东西

  
• 1.2查看是否成功安装了插件：WindowàPreference中是否有Jboss jBPM项。（我原先按过jbpm3.2，所以会有两个）

  

• 1.3在Eclipse中添加Jpdl4.4 Schema校验

  

  • 1.4有了流程设计工具，我们就可以画jpdl流程图啦，由于jpdl是基于UML的活动图的，所以理解UML就很好办了，不熟悉的要恶补一下，下面是我画的图

  

•  
• 1.5jpdl实际上是根据所画生成xml文件

  xml version="1.0" encoding="UTF-8"?>
  <process name="leaveProcess" xmlns="http://jbpm.org/4.4/jpdl">
     <start g="258,39,30,32" name="start">
        <transition g="-83,-17" name="StartProcess" to="LeaveApplication"/>
     start>
     <task assignee="${name}" g="235,146,92,52" name="LeaveApplication">
        <assignment-handler class="com.mtf.jbpm.handler.NewApplicationAssignmentHandler"/>
        <transition g="-113,-17" name="SubmitApply" to="ManagerApprove"/>
     task>
     <task assignee="${name}" g="244,235,92,52" name="ManagerApprove">
      <assignment-handler class="com.mtf.jbpm.handler.ManagerApproveAssignmentHandler"/>
        <transition g="-46,-23" name="ManagerApproved" to="DaysCheck"/>
        <transition g="-15,-35" name="ManagerDisApproved" to="end"/>
     task>
      <decision g="67,240,48,48" name="DaysCheck">
     <handler class="com.mtf.jbpm.handler.DaysCheckHandler" />
        <transition g="-20,-2" name="LessThan3Days" to="HrMakeSure"/>
        <transition g="-49,-11" name="MoreThan3Days" to="ExecutiveApprove"/>
     decision>
     <task assignee="${name}" g="30,483,92,52" name="ExecutiveApprove">
      <assignment-handler class="com.mtf.jbpm.handler.ExecutiveApproveAssignmentHandler"/>
        <transition g="-63,-2" name="ExecutiveApproved" to="HrMakeSure"/>
        <transition g="-96,4" name="ExecutiveDisApproved" to="end"/>
     task>
     <task assignee="${name}" g="218,359,92,52" name="HrMakeSure">
      <assignment-handler class="com.mtf.jbpm.handler.HrMakeSureAssignmentHandler"/>
        <transition g="-76,4" name="to EmailNotify" to="EmailNotify"/>
     task>
     <state g="334,430,92,52" name="EmailNotify">
        <transition g="-16,-17" name="to end" to="end"/>
     state>
    <end g="505,475,48,48" name="end"/>
  process>

  
         我认为设计上基本上就这样，其他有差异的地方基本上就是在流程图的细节上了，我画的流程图没有考虑fork 和join，请假也用不上，实际上jbpm需要学习的东西还是很多的，所以慢慢来吧