Difference between revisions of "EntityId"
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== Version == | == Version == | ||
| − | This page defines the concept of [[EntityId]] used in the [[Context Data Model | + | This page defines the concept of [[EntityId]] used in the [[Context Data Model 2.0]]. |
== Definition == | == Definition == | ||
| − | * | + | * 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 [http://www.azigo.com/udi/udi-syntax.html UDI Syntax] | ||
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| − | [[Category:Context Data Model | + | [[Category:Context Data Model 2.0]] |
Latest revision as of 22:49, 9 November 2010
{{#eclipseproject:technology.higgins|eclipse_custom_style.css}}
Version
This page defines the concept of EntityId used in the Context Data Model 2.0.
Definition
- Identifies an Entity within its containing Context.
- MAY be absolute or relative
- An absolute EntityId
- 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