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This article mainly introduces what is the interaction in EA's UML drawing. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

Example

After the instance ConstantSpeedControl of the SpeedControl interaction specifies the argument and the return value, the parameter and result can be passed.

However, if you want to make some more judgment or processing according to the results, it will be more troublesome. Although it can be done, the timing diagram will be ugly. Here UML provides another solution: the interaction overview diagram.

Concept

The interaction overview diagram is a variant of the activity diagram that combines sequence diagram fragments and control flow constructs.

Drawing method

Select [UML Behavioral] for classification and [Interaction Overview] for drawing type.

Example

We can directly drag the interaction created in the article "interaction" to the drawing area. The details are the nodes in the red box below. They define the interactive use of arguments.

When the drag operation is complete, you can get the following image.

Of course, you can also use the same steps in interaction to add interactive use. Yeah, exactly the same step. I will not repeat it here.

Next, like the Activity diagram, you can connect between interactive uses, add judgment links, and so on. Here's what it looks like when it's done.

The above is all the content of the article "what is the interaction in EA drawing UML diagram". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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