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Part 2 - Extending Models

 
 

By Anthony Richardson
Friday, August 02, 2002

In the first article of this series the Bold model editor was introduced and basic modeling concepts explained. However, there is a lot that can be achieved within the Bold Model editor and the purpose of this article is to explorer the concepts of:

  • Operations: Add business logic to our classes.
  • Derived Attributes: Calculating attribute values ‘on the fly’.
  • Reverse Derived Attributes: Using code to both compose and decompose derived values within your class.
  • Derived Relationships: Resolving relationships ‘on the fly’

 

Latest

Article Release 1.1  (Suitable for Bold for Delphi release 4.0 and Delphi 7 Architect)

 Download the the PDF Starting_Bfd_Part2.pdf (589 kb)

[Image] Download the Source Code Starting_Bfd_Part2.zip (11 kb)

Christel Rotter has kindly provided a German translation of this article.

 Download the the German PDF BfD starten - Modell-Erweiterungen  (915 Kb)

 

Old Version

Article Release 1.0  (Suitable for Bold for Delphi release 3.2)

 Download the the PDF Starting_Bfd_Part2.pdf (490 kb)

[Image] Download the Source Code Starting_Bfd_Part2.zip (12 kb)

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Don't forget to check out Article 1: Introducing the Basics [...]

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