Examples with EGraphQLException org.hl7.fhir.utilities.graphql.EGraphQLException used on opensource projects

Example 41 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException in project org.hl7.fhir.core by hapifhir.

the class GraphDefinitionEngine method execute.

public void execute() throws EGraphEngine, EGraphQLException, FHIRException {
    assert services != null;
    assert start != null;
    assert bundle != null;
    assert baseURL != null;
    assert graphDefinition != null;
    graphDefinition.checkNoModifiers("definition", "Building graph from GraphDefinition");
    check(!start.fhirType().equals(graphDefinition.getStart()), "The Graph definition requires that the start (focus reosource) is " + graphDefinition.getStart() + ", but instead found " + start.fhirType());
    if (!isInBundle(start)) {
        addToBundle(start);
    }
    for (GraphDefinitionLinkComponent l : graphDefinition.getLink()) {
        processLink(start.fhirType(), start, l, 1);
    }
}

Example 42 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method processCanonicalReference.

private void processCanonicalReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    Reference ref = new Reference(source.primitiveValue());
    ReferenceResolution res = services.lookup(appInfo, context, ref);
    if (res != null) {
        if (targetTypeOk(field.getArguments(), res.getTarget())) {
            Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList));
            ObjectValue obj = new ObjectValue();
            arg.addValue(obj);
            processObject((Resource) res.getTargetContext(), (Base) res.getTarget(), obj, field.getSelectionSet(), inheritedList, suffix);
        }
    } else if (!hasArgument(field.getArguments(), "optional", "true"))
        throw new EGraphQLException("Unable to resolve reference to " + ref.getReference());
}

Example 43 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method filterResources.

private List<Resource> filterResources(Argument fhirpath, Bundle bnd) throws EGraphQLException, FHIRException {
    List<Resource> result = new ArrayList<Resource>();
    if (bnd.getEntry().size() > 0) {
        if ((fhirpath == null))
            for (BundleEntryComponent be : bnd.getEntry()) result.add(be.getResource());
        else {
            FHIRPathEngine fpe = new FHIRPathEngine(context);
            ExpressionNode node = fpe.parse(getSingleValue(fhirpath));
            for (BundleEntryComponent be : bnd.getEntry()) if (fpe.evaluateToBoolean(null, be.getResource(), be.getResource(), node))
                result.add(be.getResource());
        }
    }
    return result;
}

Example 44 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method processReverseReferenceList.

private void processReverseReferenceList(Resource source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    List<IBaseResource> list = new ArrayList<>();
    List<Argument> params = new ArrayList<>();
    Argument parg = null;
    for (Argument a : field.getArguments()) if (!(a.getName().equals("_reference")))
        params.add(a);
    else if ((parg == null))
        parg = a;
    else
        throw new EGraphQLException("Duplicate parameter _reference");
    if (parg == null)
        throw new EGraphQLException("Missing parameter _reference");
    Argument arg = new Argument();
    params.add(arg);
    arg.setName(getSingleValue(parg));
    arg.addValue(new StringValue(source.fhirType() + "/" + source.getIdPart()));
    services.listResources(appInfo, field.getName().substring(0, field.getName().length() - 4), params, list);
    arg = null;
    ObjectValue obj = null;
    List<Resource> vl = filterResources(field.argument("fhirpath"), list);
    if (!vl.isEmpty()) {
        arg = target.addField(field.getAlias() + suffix, listStatus(field, true));
        for (Resource v : vl) {
            obj = new ObjectValue();
            arg.addValue(obj);
            processObject(v, v, obj, field.getSelectionSet(), inheritedList, suffix);
        }
    }
}

Example 45 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method processCanonicalReference.

private void processCanonicalReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (!(source instanceof CanonicalType))
        throw new EGraphQLException("Not done yet");
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    Reference ref = new Reference(source.primitiveValue());
    ReferenceResolution res = services.lookup(appInfo, context, ref);
    if (res != null) {
        if (targetTypeOk(field.getArguments(), res.getTarget())) {
            Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList));
            ObjectValue obj = new ObjectValue();
            arg.addValue(obj);
            processObject((Resource) res.getTargetContext(), (Base) res.getTarget(), obj, field.getSelectionSet(), inheritedList, suffix);
        }
    } else if (!hasArgument(field.getArguments(), "optional", "true"))
        throw new EGraphQLException("Unable to resolve reference to " + ref.getReference());
}