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Something with Work flow
zhongqing的 个人空间. · 2008-10-05 · via 博客园 - zhongqing的 个人空间.

There are two types of workflow engines:

1. Based on Activty. Such as XPDL (which Shark implements on)

2. Based on State. Such as FSM (Which OSWorkflow implements)

There are some means and modeling languages for workflow engines:

FSM 有限状态机。

PetriNet:Petri网模型。

Activity Diagram:UML活动图。

开源引擎:

Shark-Activity Diagram。based on XPDL

Osworkflow-FSM。

Jbpm-FSM+Activity Diagram+PetriNet own modeling language JPDL.

这个规范最早是以WfMC为代表的“业务流程开发商”,他们主要拥护以XPDL作为描述语言来描述业务流程;之后是以OASIS组织为代表的,被IBM,MicroSoft,BEA所拥护的BPEL/BPEL4WS规范;之后向来以规范著称的OMG组织也不甘示弱,联合BPMI组织,独辟蹊径以Notation Specification为入口,首先推出了BPMN规范,进而推出了BPDM,也妄想分一杯业务流程描述规范。

Agile PLM Workflow engine:

1) Entity based

2)Workflow_process, workflow_rules

3)Workflow,state,status