Constraint Descriptor : constraintPatientId_unique (type: ERROR, kind: )

Constraint : constraintPatientId_unique

Constraint Name
constraintPatientId_unique (type: ERROR, kind: )
Constraint Class
XDSOnDemandDocumentEntry
Package
rimihe
Description
PatientId is unique on XDSDocumentEntry (IHE_ITI_TF V3, 4.2.3.2.22)
OCL 
self.externalIdentifier->select(ext : ExternalIdentifierType | 
	(not ext.identificationScheme.oclIsUndefined()) and 
	(ext.identificationScheme = 'urn:uuid:58a6f841-87b3-4a3e-92fd-a8ffeff98427')
)->size()<2