OOSE_Week 08 - Activity Diagram

8/15/2019 OOSE_Week 08 - Activity Diagram

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UML ActivityDiagrams


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If a use casegets toocomplex, we

use activitydiagrams toclarifythings


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Activi

tydiagra

ms


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Activities are rectangles withrounded corners


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Transitions are shownby arrows

ometimes the transition may havetext to explain what is happening


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tart and !inish

A start is shown by a "lled in circle A "nish is a circle containing a "lled in

circle


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Decisions are denotedby diamonds


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#uard

conditions bloc$the %ow if somecondition is not

met They &guard& the door


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ynchroni'ation bars

Allow for the branching and (oining of synchronous activities

ynchronous meansthat two or more thingsare happening

simultaneously


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wimlanes show whois responsible for

what wimlanes are optional


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Activity Diagram ) *xample+


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olution


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Activity Diagram ) *xample


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Activity Diagram ) *xample-

A ma(or distributor of o.ce supplies has a set of criteria forpreparing bills/0hen the customer places the order one of the sales sta1prepares the order and writes the bill, if there is an insu.cient2uantity of items on hand, the bac$ order is set up for missingitems/ The available items are shipped and bill is prepared/

The cost is billed for the bac$ order items when they shipped/0holesale

customers are eligible for discount if they purchase minimum of+33 items/ 4etail customers are5 not eligible for any discountirrespective of the number of items ordered/ All retail customerspay sales tax, 0holesale customers don6t pay any tax providedthey have state tax exception/ All bills are mailed to customers/

Draw activity diagram with swim lanes and draw classdiagram/


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OOSE_Week 08 - Activity Diagram

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