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Difference between revisions of "EntityId"
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== Definition == | == Definition == | ||
* An [[EntityId]] is a kind of simple-valued [[Attribute]] of an [[Entity]] | * An [[EntityId]] is a kind of simple-valued [[Attribute]] of an [[Entity]] | ||
| − | * The value of an [[EntityId]] is a single [[ | + | * The value of an [[EntityId]] is a single [[Entity UDI]] |
* Its value uniquely identifies its associated [[Entity]] instance within its containing [[Context]] | * Its value uniquely identifies its associated [[Entity]] instance within its containing [[Context]] | ||
* If the UDI is global, its value uniquely identifies its associated [[Entity]] instance within the [[HGG]] | * If the UDI is global, its value uniquely identifies its associated [[Entity]] instance within the [[HGG]] | ||
Revision as of 12:39, 13 June 2008
{{#eclipseproject:technology.higgins}}
Version
This page defines the concept of EntityId used in the Context Data Model 1.1.
Definition
- An EntityId is a kind of simple-valued Attribute of an Entity
- The value of an EntityId is a single Entity UDI
- Its value uniquely identifies its associated Entity instance within its containing Context
- If the UDI is global, its value uniquely identifies its associated Entity instance within the HGG