Action Pin

HoldBelief

于 2011-09-08 18:17:57 发布

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分类专栏： EA

本文链接：https://blog.youkuaiyun.com/HoldBelief/article/details/84014787

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本文探讨了EA的强大力量，并着重介绍了ActionPin在定义输入输出数据值方面的作用。通过连接两个Action，ActionPin进一步定义了参数、流和状态，如订单验证或取消状态。了解如何添加和自定义ActionPin对于深入理解EA系统至关重要。

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我发现了，EA很强大，但是EA的帮助文档更强大。呵呵……

An Action Pin is used to define the data values passed out of and into an Action. An input pin provides values to the Action, whereas an output pin contains the results from that Action.

Action Pins are used below to connect two Actions:

See UML Superstructure Specification, v2.1.1, Figure 12.110, p. 391.

Action Pins can be further characterized as defining exception parameters, streams, or states. Associating a state with a pin defines the state of input or output values. For instance, the pin could be called Orders, but the state could be Validated or Canceled.

To add an Action Pin to an Action, right-click on the Action to display the context menu and select the Embedded Elements | Add Action Pin menu option. To change the type of an Action Pin, right-click on the pin and select the Advanced | Custom Properties context menu option. The following properties can be set: