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A LevelBasedHierarchy is a Hierarchy that describes relationships between specific levels of a Dimension. LevelBasedHierarchy
is used to model both “pure level? hierarchies (for example, dimension-level tables) and “mixed? hierarchies; that is, levels
plus linked nodes.
Supertypes
Hierarchy
Contained Elements
HierarchyLevelAssociation
References
hierarchyLevelAssociation
References the collection of HierarchyLevelAssociations owned by a LevelBasedHierarchy.class:defined by:multiplicity:inverse: |
|||||
| HierarchyLevelAssociation | |||||
| LevelBasedHierarchyOwnsHierarchyLevelAssociations:: hierarchyLevelAssociation | |||||
| zero or more; ordered | |||||
| HierarchyLevelAssociation::levelBasedHierarchy |
Constraints
The currentLevel of each HierarchyLevelAssociation must refer to a Level owned by the Dimension of the LevelBasedHierarchy
containing the HierarchyLevelAssociation. [C-13]
No two HierarchyLevelAssociations may designate the same Level instance as their “current level.? [C-14]