HƯỚNG DẪN VẼ ACTIVITY DIAGRAM

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A UML activity diagram in Visio looks like a flow chart. The flow of control is triggered by the completion of actions (or activities) within the system. The flow may be sequential, concurrent, or branched, indicated by shapes such as swimlanes, forks, và joins.

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Use an activity diagram to lớn describe how several activities are coordinated lớn provide a service or other end result. Activity diagrams can show how the events in a use case relate khổng lồ one another, or how a collection of use cases coordinate lớn represent a business workflow.

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If you want lớn represent a flow in response to external events instead, use a state machine diagram.


Newer desktop versionsWeb2010 - 2007

Start an activity diagram

Start Visio. Or if you have a tệp tin open already, cliông chồng File > New.

In the Search box, type UML activity.

Select the UML Activity diagram.

In the dialog box, select either Metric Units or US Units.

Select Create.

The diagram opens. You should see the Shapes window next to the diagram. If you don’t see it, go to lớn View > Task Panes and make sure that Shapes is selected. If you still don’t see it, cliông xã the Expvà the Shapes window button on the left.

On the View tab, make sure the check box next to lớn Connection Points is selected. This option makes connection points appear when you start connecting shapes.

You can now insert swimlanes & build the activity control flow in the diagram.

Design your diagram

If you want to lớn indicate responsibility in the activity diagram, drag a Swimlane shape onlớn the page for each class, person, or organizational unit you want khổng lồ represent. To do that:

Drag a Swimlane shape onkhổng lồ the drawing page.

Double-click each label on the shape to lớn change the default name.

Repeat steps a and b until you"ve added all the partitions or organizational units you need.

Drag the side selection handles on the swimlane shapes lớn make the lanes the kích thước you want.

Use the Initial node & Final node shapes khổng lồ represent initial và final pseubởi states.

Add an Action shape for each action or activity state you want to represent.

Use a Decision shape with guard conditions to lớn indicate a possible transition from an action state.

Use the Fork node khổng lồ represent the forking of one action state inkhổng lồ multiple parallel states.

Use the Join node to represent the synchronization of multiple action states into lớn one state.


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Start an activity diagram

Near the upper right corner of the page, select More templates.

Search for UML Activity or scroll down in the Gallery to the UML Activity row.

Start with a blank UML activity template or a UML activity starter diagram. Select Create on the one you want khổng lồ use.

You can now insert swimlanes and build the activity control in the diagram.

Design your diagram

If you want to lớn indicate responsibility in the activity diagram, drag a Swimlane shape onkhổng lồ the page for each class, person, or organizational unit you want lớn represent. To vì chưng that:

Drag a Swimlane shape onkhổng lồ the drawing page.

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Double-cliông xã each label on the shape khổng lồ change the mặc định name.

Repeat steps a and b until you"ve added all the partitions or organizational units you need.

Drag the side selection handles on the swimlane shapes to make the lanes the form size you want.

Use the Initial node & Final node shapes to lớn represent initial & final pseuvì chưng states.

Add an Action shape for each action or activity state you want lớn represent.

Use a Decision shape with guard conditions to lớn indicate a possible transition from an action state.

Use the Fork node lớn represent the forking of one action state inlớn multiple parallel states.

Use the Join node to represent the synchronization of multiple action states inlớn one state.


Start an activity diagram

xuất hiện the UML mã sản phẩm diagram that contains the UML element for which you want to lớn create an activity diagram.

In the tree view, right-cliông xã the ibé for the package, subsystem, class, operation, or use case in which you want lớn create an activity diagram. Point lớn New, & then click Activity Diagram.

A blank page appears, & the UML Activity stencil becomes the top-most stencil. The workspace displays "Activity" as a watermark. An icon representing the diagram is added to lớn the tree view.


Note: If the tree view is not visible, on the UML thực đơn, point lớn View, and then cliông chồng Model Explorer.


Design your diagram

If you want to indicate responsibility in the activity diagram, drag a Swimlane shape onlớn the page for each class, person, or organizational unit you want to represent.

From the Activity stencil, drag a Swimlane shape onto the drawing page.

Double-cliông xã the shape to add a name và other property values.

Repeat steps a & b until you"ve sầu added all the partitions or organizational units you need.

Drag the side selection handles on the Swimlane shapes lớn make the lanes the size you want.

Drag State, Action State, Object In State and Signal Receipt or Signal Send shapes into lớn the areas defined by the swimlanes and connect them using Control Flow and Object Flow shapes.

Connect Control Flow shapes to lớn State shapes to lớn indicate the change from one state lớn another.

In an activity diagram, drag a Control Flow shape onkhổng lồ the drawing page.

Glue the Control Flow shape endpoint (without the arrowhead) khổng lồ a connection point

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on the source Action State or State shape.

Glue the Control Flow shape endpoint (with an arrowhead) lớn a connection point on the destination kích hoạt State or State shape.

Double-cliông chồng the Control Flow shape to add a transition string, including an sự kiện, guard condition, action expression, và more.

If you want lớn replace transition strings with signal icons, use the Signal Send and Signal Receipt shapes lớn represent the signals.

Double-clichồng any shape lớn open its UML Properties dialog box where you can add a name, transition string, guard condition, deferred events, và other properties.