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Difference between revisions of "NodeId"
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== Introduction == | == Introduction == | ||
| − | This page | + | This page defines a Higgins [[EntityId]]. |
== Definition == | == Definition == | ||
| − | * An [[EntityId]] is a kind of [[Attribute]] that uniquely | + | * An [[EntityId]] is a kind of [[Attribute]] that MUST uniquely identify an instance of an [[Entity]] within a [[Context]]. |
* The value of an [[EntityId]] MUST be a single instance of an [[EntityIdDatatype]]. | * The value of an [[EntityId]] MUST be a single instance of an [[EntityIdDatatype]]. | ||
| + | |||
| + | == Details == | ||
| + | * An [[EntityId]] MAY be a globally unique identifier of an instance of an [[Entity]] in addition to being a locally unique identifier of that instance within a [[Context]], however it MUST be the latter. | ||
== See Also == | == See Also == | ||
* [[Entity]] | * [[Entity]] | ||
* [[ContextId]] | * [[ContextId]] | ||
Revision as of 00:26, 1 February 2008
Contents
Introduction
This page defines a Higgins EntityId.
Definition
- An EntityId is a kind of Attribute that MUST uniquely identify an instance of an Entity within a Context.
- The value of an EntityId MUST be a single instance of an EntityIdDatatype.
Details
- An EntityId MAY be a globally unique identifier of an instance of an Entity in addition to being a locally unique identifier of that instance within a Context, however it MUST be the latter.