2. Core Modelling Issues

Related MRT-Task

DMT-233 - Getting issue details... STATUS

Berlin Sprint "UML to be decided" discussion document

Task report

Draft proposal for internal review by the Sprint team

3_Modelling recommendations.docx

Working documents

UML to be decided - Ottawa -2

Modelling recommendations.docx

DDI 4 Prototype UML Object Inventory

According to the NIST validator at http://validator.omg.org/.

Metamodel Class Name	Count
Structural Items
Model	1
Package	39
Class	301
Property	1860
ElementImport	327
Relationships
Association	473
Generalization	191
Data types
DataType	3
EnumerationLiteral	81
Enumeration	19
LiteralInteger	2825
LiteralString	1
LiteralUnlimitedNatural	893
PrimitiveType	2
Other
Comment	1700

Comments

Annotations are impacted by the idea that identifiers are reduced to properties. There are also issues from the prototype review around Citation Information. These are related and the issue needs to be framed for further discussion within MRT.

Parked

References

DDI 4

Modeling Guidelines for Business Modelers

UML Specification

Overview: UML Diagram Website (Kirill Fakhroutdinov)
OMG Unified Modeling Language (UML) Version 2.5.1, combined documentation (is the same for the used UML subset and for the selected version 2.4.1)

UML Best Practices

Scott Ambler
- UML 2 Class Diagramming Guidelines, short version of the chapter "UML Class Diagrams" in the book "The Elements of UML 2.0 Style"
- UML 2 Class Diagrams: An Agile Introduction
- Introduction to Class Normalization

ISO/TC211 Wiki on best practices for modelling geographic information in UML (Knut Jetlund)

UML Associations

Association details in diagrams (Berhard Rumpe, in German)
UML Composition vs Aggregation vs Association (Geert Bellekens)
UML Best Practice: Attribute or Association (Geert Bellekens)
Aggregation and Composition (Martin Fowler)

UML Composition and Inheritance

Composition vs. Inheritance: How to Choose? (Steven Lowe)
Inheritance versus composition: Which one should you choose? (Bill Venners)

Object-Oriented Design

SOLID principles of object-oriented programming (Wikipedia)
Principles of object-oriented design (Robert C. Martin)

Cohesion and Coupling