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

Example 51 with Argument

use of org.hl7.fhir.utilities.graphql.Argument 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>();
    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 52 with Argument

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

the class GraphQLEngine method filterResources.

private List<Resource> filterResources(Argument fhirpath, List<IBaseResource> list) throws EGraphQLException, FHIRException {
    List<Resource> result = new ArrayList<Resource>();
    if (list.size() > 0) {
        if ((fhirpath == null))
            for (IBaseResource v : list) result.add((Resource) v);
        else {
            FHIRPathEngine fpe = new FHIRPathEngine(context);
            ExpressionNode node = fpe.parse(getSingleValue(fhirpath));
            for (IBaseResource v : list) if (fpe.evaluateToBoolean(null, (Resource) v, (Base) v, node))
                result.add((Resource) v);
        }
    }
    return result;
}

Example 53 with Argument

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

the class GraphQLEngine method processSearchSimple.

private void processSearchSimple(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    List<IBaseResource> list = new ArrayList<>();
    services.listResources(appInfo, field.getName().substring(0, field.getName().length() - 4), field.getArguments(), list);
    Argument 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 54 with Argument

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

the class GraphQLEngine method processSearchSingle.

private void processSearchSingle(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    String id = "";
    for (Argument arg : field.getArguments()) if ((arg.getName().equals("id")))
        id = getSingleValue(arg);
    else
        throw new EGraphQLException("Unknown/invalid parameter " + arg.getName());
    if (Utilities.noString(id))
        throw new EGraphQLException("No id found");
    Resource res = (Resource) services.lookup(appInfo, field.getName(), id);
    if (res == null)
        throw new EGraphQLException("Resource " + field.getName() + "/" + id + " not found");
    Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, false));
    ObjectValue obj = new ObjectValue();
    arg.addValue(obj);
    processObject(res, res, obj, field.getSelectionSet(), inheritedList, suffix);
}

Example 55 with Argument

use of org.hl7.fhir.utilities.graphql.Argument 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;
}