Skip to main content
Jump to: navigation, search

Difference between revisions of "EntityId"

(Definition)
(Definition)
Line 7: Line 7:
 
* 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 an instance of an [[Entity]] in the [[HGG]]
+
* 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 19:46, 27 April 2008

{{#eclipseproject:technology.higgins}}

Higgins logo 76Wx100H.jpg

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

  • Entity: The EntityId attribute provides the EntityId of the Entity having this attribute.

Notes

  • An EntityId is globally unique identifier of an Entity

Back to the top