Constraint Descriptor : hl7ips2120 (type: org.eclipse.emf.ecore.impl.DynamicEObjectImpl@3c220740 (eClass: org.eclipse.emf.ecore.impl.EClassImpl@5e0a1997 (name: OclInvalid_Class) (instanceClassName: null) (abstract: false, interface: false)), kind: Cardinality)

Constraint : hl7ips2120

Constraint Name
hl7ips2120 (type: org.eclipse.emf.ecore.impl.DynamicEObjectImpl@3c220740 (eClass: org.eclipse.emf.ecore.impl.EClassImpl@5e0a1997 (name: OclInvalid_Class) (instanceClassName: null) (abstract: false, interface: false)), kind: Cardinality)
Constraint Class
IPSEntryAllergyOrIntolerance
Package
hl7ips
Description
In IPS Allergy or Intolerance, /hl7:observation[hl7:templateId/@root='2.16.840.1.113883.10.22.4.1'] SHOULD contain at least ONE hl7:entryRelationship[hl7:observation/hl7:templateId/@root='2.16.840.1.113883.10.22.10']
OCL 
(not self.nullFlavor.oclIsUndefined()) or self.entryRelationship->select(observation.templateId.root->exists(aa : String| aa = '2.16.840.1.113883.10.22.10'))->size()>0