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Parent Package: ehr
Class VERSIONED_COMPOSITION
Version-controlled composition abstraction, defined by inheriting VERSIONED_OBJECT.

Operations
Signature	Constraints	Documentation
is_persistent() : Boolean		Indicates whether this composition set is persistent; derived from first version.

Constraints
Name	Expression
Archetype_node_id_valid	inv: all_versions.for_all (archetype_node_id.is_equal(all_versions.first.archetype_node_id))
Persistent_valid	inv: all_versions.for_all (is_persistent = all_versions.first.data.is_persistent)
Owner_id_valid	inv: owner_id.generating_type.is_equal('EHR')