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Difference between revisions of "EntityId"
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* 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 [[EntityId Data Range]] [[UDI]] | * The value of an [[EntityId]] is a single [[EntityId Data Range]] [[UDI]] | ||
| − | * Its value uniquely identifies | + | * 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]] | ||
== Attribute of == | == Attribute of == | ||
Revision as of 20:46, 27 April 2008
{{#eclipseproject:technology.higgins}}
Contents
Version
This page defines the concept of EntityId used in the Higgins Global Graph 1.1.
Definition
- An EntityId is a kind of simple-valued Attribute of an Entity
- The value of an EntityId is a single EntityId Data Range 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
Attribute of
Notes
- An EntityId is globally unique identifier of an Entity