Use Case Extend and Include relationship

Greenhorn

Posts: 19

posted 18 years ago

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hi all,

Can someone please tell me what is Extend and Include relationship in Usecase and also the difference between Extend and Generalization relationship.

Thank you.

Joseph

Scott Ambler

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Posts: 608

posted 18 years ago

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Descriptions and an example are provided at Reuse in Use-Case Models: <<extend>>, <<include>>, and Inheritance.

- Scott

<a href="http://www-306.ibm.com/software/rational/bios/ambler.html" target="_blank" rel="nofollow">Scott W. Ambler</a><br />Practice Leader Agile Development, IBM Rational<br /> <br />Now available: <a href="http://www.ambysoft.com/books/refactoringDatabases.html" target="_blank" rel="nofollow">Refactoring Databases: Evolutionary Database Design</a>