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

Example 21 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 22 with Argument

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

the class GraphQLEngine method processSearchFull.

private void processSearchFull(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    List<Argument> params = new ArrayList<Argument>();
    Argument carg = null;
    for (Argument arg : field.getArguments()) if (arg.getName().equals("cursor"))
        carg = arg;
    else
        params.add(arg);
    if ((carg != null)) {
        params.clear();
        ;
        String[] parts = getSingleValue(carg).split(":");
        params.add(new Argument("search-id", new StringValue(parts[0])));
        params.add(new Argument("search-offset", new StringValue(parts[1])));
    }
    Bundle bnd = (Bundle) services.search(appInfo, field.getName().substring(0, field.getName().length() - 10), params);
    SearchWrapper bndWrapper = new SearchWrapper(field.getName(), bnd);
    Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, false));
    ObjectValue obj = new ObjectValue();
    arg.addValue(obj);
    processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix);
}

Example 23 with Argument

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

the class GraphQLEngine method processReverseReferenceSearch.

private void processReverseReferenceSearch(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<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.getId()));
    Bundle bnd = (Bundle) services.search(appInfo, field.getName().substring(0, field.getName().length() - 10), params);
    Base bndWrapper = new SearchWrapper(field.getName(), bnd);
    arg = target.addField(field.getAlias() + suffix, listStatus(field, false));
    ObjectValue obj = new ObjectValue();
    arg.addValue(obj);
    processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix);
}

Example 24 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 25 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);
}