id() and cp() transforms are not supported

[RadovanTomik]

Are you planning on implementing these 2 transforms of the FHIR mapping language in the foreseeable future?

[delcroip]

here a example that works on Matchbox but not on android-fhir (it uses this very lib)

StructureMap between the questionnaireResponse and other resource

QR have a subject section

{
  "resourceType": "QuestionnaireResponse",
  "questionnaire": "https://fhir.dk.swisstph-mis.ch/matchbox/fhir/Questionnaire/emcarea.registration.p",
  "subject": {
    "id": "04d9a034-0017-461b-b56c-9471a4f8c259",
    "type": "Patient",
    "identifier": {
      "value": "04d9a034-0017-461b-b56c-9471a4f8c259"
    }
  },
  "encounter": {
    "id": "84f1f1c2-f05e-4c9f-a5b1-cd5f8d63f584",
    "type": "Encounter",
    "identifier": {
      "value": "84f1f1c2-f05e-4c9f-a5b1-cd5f8d63f584"
    }
  },
[...]

then on the StructureMap we have something like :

src -> bundle.entry as entry then {
        src.encounter as encounter then {
            encounter.id as idval  -> entry.request as request, request.method = 'PUT', request.url = append('/Encounter/',idval) 'azich';
        } 'iqxck';
        src -> entry.resource = create("Encounter") as tgt then {
            src -> tgt then emcareencounter(src, tgt) 'ltpli';
            src.encounter as encounter then {
                encounter.identifier as idval-> tgt.id = idval 'flckx';
            } 'oegwb';
            src.subject as sub -> tgt.subject = sub 'dnxfm';
        } 'ohyoj';
    } 'put-emcareencounter';

then we are getting this error:

/System.out:       rule : oegwb; vars = source variables [src: (QuestionnaireResponse)], target variables [bundle: (Bundle), entry: (Bundle.entry), tgt: (Encounter)], shared variables []
I/System.out:         rule : flckx; vars = source variables [src: (QuestionnaireResponse), encounter: (Reference)], target variables [bundle: (Bundle), entry: (Bundle.entry), tgt: (Encounter)], shared variables []
D/EGL_emulation: app_time_stats: avg=21.89ms min=1.89ms max=82.25ms count=36
E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.argusoft.who.emcare, PID: 21061
    org.hl7.fhir.exceptions.FHIRException: Unable to convert a org.hl7.fhir.r4.model.Identifier to a Id
        at org.hl7.fhir.r4.model.Base.castToId(Base.java:449)
        at org.hl7.fhir.r4.model.Resource.setProperty(Resource.java:298)
        at org.hl7.fhir.r4.model.DomainResource.setProperty(DomainResource.java:315)
        at org.hl7.fhir.r4.model.Encounter.setProperty(Encounter.java:3955)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.processTarget(StructureMapUtilities.java:1831)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.executeRule(StructureMapUtilities.java:1416)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.executeRule(StructureMapUtilities.java:1420)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.executeRule(StructureMapUtilities.java:1420)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.executeRule(StructureMapUtilities.java:1420)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.executeGroup(StructureMapUtilities.java:1403)
        at org.hl7.fhir.r4.utils.StructureMapUtilities.transform(StructureMapUtilities.java:1377)
        at com.google.android.fhir.datacapture.mapping.ResourceMapper.extractByStructureMap(ResourceMapper.kt:181)

[delcroip]

@brynrhodes, @oliveregger could you please help us to get the right person for this issue, this issue is really blocking for us. thanks in advance

[oliveregger]

@delcroip looking at the stack trace it looks like you are using r4 for StructureMapUtilities, but the development is done only in r5 StructureMapUtilities, so I guess this explains the difference. Can you check the transform with the java fhir validator? This uses the r5 StructureMapUtilities.

You find the source for transform with r5 here: https://github.com/hapifhir/org.hl7.fhir.core/blob/master/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java#L501

[delcroip]

Thank you @oliveregger ,

this issue appear on the android FHIR SDK, I don't think we can change it ourself, would you advise google to use R5 iso R4 ?

poke @Tarun-Bhardwaj @jingtang10

[oliveregger]

@delcroip for the transform I would advise to use the R5 code, yes.

[delcroip]

@oliveregger could you help me on the detail level ?

Which maven package I need to use ? which version ?

I saw that version 6.2 of the hapifhir support R5 https://hapifhir.io/hapi-fhir/docs/getting_started/versions.html

but on maven I could only find the 6.1.3 https://mvnrepository.com/artifact/ca.uhn.hapi.fhir/hapi-fhir-server

in the android SDK, I changed all R4 to R5 Also I could not find r5 version of antlr4-runtime, org.opencds.cqf.cql.evaluator.plandefinition.r4, org.opencds.cqf.cql.evaluator.activitydefinition.r4

then I am getting an error because the system expect R4 but get R5 resource ...

e: /home/delcpa/Development/android-fhir/workflow-testing/src/main/java/com/google/android/fhir/workflow/testing/PlanDefinition.kt: (194, 9): Type mismatch: inferred type is org.hl7.fhir.r4.model.CarePlan! but org.hl7.fhir.r5.model.CarePlan was expected

I am really not familiar with java so I may be wrong but it seems the hapi fhir context constructor does not support R5 yet

https://github.com/hapifhir/hapi-fhir/blob/31a193fbd3520ae9661e7d77f0c3bb6750caf74f/hapi-fhir-base/src/main/java/ca/uhn/fhir/context/FhirContext.java#L179

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