The SEDRIS Data Representation Model
APPENDIX A - Classes
Month

Class Name: Month

Superclass - <Base Time Data>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class specifies one of the 12 months into which the calendar year is divided.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

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

Example

  1. April.

FAQs

Why should <Month> be a separate class?
Because some <Time Constraints Data> apply to months of the year in every year, rather than to an entire <Season> or one specific time period.

Constraints

None.

Composed of (two-way)

Component of (two-way)(inherited)

Inherited Field Elements

SE_Time_Significance time_significance; (notes)

Field Elements

SE_Month month;

Notes

Fields Notes


time_significance

 This indicates the significance of the time information.
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Last updated: October 1, 2002 Copyright © 2002 SEDRIS™