ModelDependency

Overview

The ModelDependency class in the TCDX object model represents a tabular model dependency, providing information about the connection between a Consumer or QueryGroup and a specific tabular model. This class is a fundamental component in tracking how different Consumers and Items interact with the underlying data models.

Purpose

The primary role of the ModelDependency class is to:

• Establish a reference to the server and model being used.
• Facilitate dependency tracking across tables, columns, and measures.
• Provide a structured way to analyze data usage within a Consumer or QueryGroup.

Public Properties

The ModelDependency class consists of the following properties:

Relationships with Other Classes

The ModelDependency class is referenced by multiple dependency classes, including:

• TableDependency – To track table-level dependencies.
• ColumnDependency – To track column-level dependencies.
• MeasureDependency – To track measure dependencies.
• Item – To establish which model a specific Item belongs to.
• QueryGroup – To reference the model involved in query execution.

Class Diagram Representation

ModelDependency
├── ServerName : TcdxName
├── ModelName : TcdxName
└── Model : Dax.Metadata.Model

References:

• TableDependency → ModelDependency
• ColumnDependency → ModelDependency
• MeasureDependency → ModelDependency

Conclusion

The ModelDependency class plays a crucial role in the TCDX model by ensuring that every Consumer, QueryGroup, and Item correctly references the tabular model it depends on. It serves as a link between external Consumers and the underlying tabular model, making it an essential part of data tracking, optimization, and governance.

Note:

for privacy reasons, strings are implemented as TcdxName objects, to allow a future implementation of objects anonymization.