Difference between revisions of "EntityId"

Latest revision as of 22:49, 9 November 2010

This page defines the concept of EntityId used in the Context Data Model 2.0.

Identifies an Entity within its containing Context.
MAY be absolute or relative
An absolute EntityId
- Resolves to one authoritative Entity
- MUST uniquely identify both an Context and a specific Entity within it.
A relative Entity UDI MUST uniquely identify an Entity within the local Context.
Is kind of UDI URI.
An EntityId is a "Resource UDI" as defined in section 4 of UDI Syntax

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-{{#eclipseproject:technology.higgins}}
+{{#eclipseproject:technology.higgins|eclipse_custom_style.css}}
-[[Image:Higgins_logo_76Wx100H.jpg|right]]
 == Version ==
-This page defines the concept of [[EntityId]] used in the [[Context Data Model 1.1]].
+This page defines the concept of [[EntityId]] used in the [[Context Data Model 2.0]].
 == Definition ==
-* An [[EntityId]] is a kind of simple-valued [[Attribute]] of an [[Entity]]
+* Identifies an [[Entity]] within its containing [[Context]].
-* The value of an [[EntityId]] is a single [[EntityId Data Range]] [[UDI]]
+* MAY be absolute or relative
-* Its value uniquely identifies its associated [[Entity]] instance within its containing [[Context]]
+* An absolute [[EntityId]]
-* If the UDI is global, its value uniquely identifies its associated [[Entity]] instance within the [[HGG]]
+** Resolves to one ''authoritative'' [[Entity]]
+** MUST uniquely identify both an [[Context]] and a specific [[Entity]] within it.
+* A relative [[Entity UDI]] MUST uniquely identify an [[Entity]] within the local [[Context]].
+* Is kind of [[UDI]] URI.
+* An [[EntityId]] is a "Resource UDI" as defined in section 4 of [http://www.azigo.com/udi/udi-syntax.html UDI Syntax]
-== Attribute of ==
-* [[Entity]]: The [[EntityId]] attribute provides the [[EntityId]] of the [[Entity]] having this attribute.
-[[Category:Context Data Model 1.1]]
+[[Category:Context Data Model 2.0]]