The SEDRIS Data Representation Model
APPENDIX A - Classes
Colour Set

Class Name: Colour Set

Superclass - <Colour Entry>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class groups multiple <Colour> instances so that they may be referred to collectively using a single index field.

In the context of <Colour Entry Table> instances, a <Colour Set> is functionally equivalent to aggregating multiple <Colour> instances.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

This class appears on only one page of the DRM class diagram.

Example

  1. A <Vertex> may aggregate multiple <Colour> instances. This could alternately be represented by aggregating the <Colour> instances within a <Colour Set> instance, placing the <Colour Set> in a <Colour Entry Table>, and using the colour_index field of a <Vertex With Component Indices> to reference it.

FAQs

No FAQs supplied.

Constraints

None.

Composed of (two-way)

Component of (two-way)(inherited)

Inherited Field Elements

This class has no inherited field elements.
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Last updated: May 15, 2003 Copyright © 2003 SEDRIS™