Different process constructs in jBPM5

最新推荐文章于 2020-04-27 19:26:00 发布

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#jbpm #events #types #nested #parallel #service

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本文介绍BPMN 2.0规范中定义的三种主要节点：事件、活动和网关。事件包括开始、结束及中间事件；活动定义了过程中的不同动作；网关用于定义过程中的多个路径。

Executable processes in BPMN consist of a different
types of nodes being connected to each other using sequence flows. The BPMN 2.0 specification
defines three main types of nodes:

Events: They are used to model the occurrence of a particular event. This could be a start event
(that is used to indicate the start of the process), end events (that define the end of the process,
or of that subflow) and intermediate events (that indicate events that might occur during the
execution of the process).

Activities: These define the different actions that need to be performed during the execution of
the process. Different types of tasks exist, depending on the type of activity you are trying to
model (e.g. human task, service task, etc.) and actvities could also be nested (using different
types of sub-processes).

Gateways: Can be used to define multiple paths in the process. Depending on the type of
gateway, these might indicate parallel execution, choice, etc.