FHIR Cross-Version Mapping Pack
0.1.0 - Ballot for Release 5.1.0 International flag

FHIR Cross-Version Mapping Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-cross-version/ and changes regularly. See the Directory of published versions

StructureMap: Reference Transforms: R4 to R3

Official URL: http://hl7.org/fhir/StructureMap/Reference4to3 Version: 0.1.0
Standards status: Draft Maturity Level: 1 Computable Name: Reference4to3

ReferenceTransformsR4toR3

/// url = 'http://hl7.org/fhir/StructureMap/Reference4to3'
/// name = 'Reference4to3'
/// title = 'Reference Transforms: R4 to R3'
/// status = 'active'

uses "http://hl7.org/fhir/4.0/Reference" alias Reference as source
uses "http://hl7.org/fhir/3.0/Reference" alias ReferenceR3 as target

imports "http://hl7.org/fhir/StructureMap/*4to3"

group Reference(source src : Reference, target tgt : ReferenceR3) extends Element <<type+>> {
  src.reference -> tgt.reference;
  src.identifier -> tgt.identifier;
  src.display -> tgt.display;
}

group ReferenceNoIdentifier(source src : Reference, target tgt : ReferenceR3) extends Element {
  src.reference -> tgt.reference;
  src.display -> tgt.display;
}

group canonical2Reference(source src : canonical, target tgt : ReferenceR3) <<types>> {
  src.id -> tgt.id "Element-id";
  src.extension where (url.startsWith('http://hl7.org/fhir/3.0/StructureDefinition').not() and (url != 'http://hl7.org/fhir/StructureDefinition/rendered-value')) -> tgt.extension "Element-extensions";
  src.value -> tgt.reference "reference";
  src.extension as e where url = 'http://hl7.org/fhir/StructureDefinition/rendered-value' then {
    e.value -> tgt.display;
  };
}

group uri2Reference(source src : uri, target tgt : ReferenceR3) <<types>> {
  src.id -> tgt.id "Element-id";
  src.extension where (url.startsWith('http://hl7.org/fhir/3.0/StructureDefinition').not() and (url != 'http://hl7.org/fhir/StructureDefinition/rendered-value')) -> tgt.extension "Element-extensions";
  src.value -> tgt.reference "reference";
  src.extension as e where url = 'http://hl7.org/fhir/StructureDefinition/rendered-value' then {
    e.value -> tgt.display;
  };
}

group Reference2Identifier(source src : Reference, target tgt : IdentifierR3) extends Element <<types>> {
  src.identifier as vs0 then Identifier(vs0, tgt) "inner";
}