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

Example 1 with EGraphQLException

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

the class GraphQLEngine method processReference.

private void processReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    if (!(source instanceof Reference))
        throw new EGraphQLException("Not done yet");
    if (services == null)
        throw new EGraphQLException("Resource Referencing services not provided");
    Reference ref = (Reference) source;
    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 2 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException 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 3 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, List<IBaseResource> list) throws EGraphQLException, FHIRException {
    List<Resource> result = new ArrayList<>();
    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, (Resource) v, node))
                result.add((Resource) v);
        }
    }
    return result;
}

Example 4 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException 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 5 with EGraphQLException

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

the class GraphQLEngineTests method testResource.

private void testResource(Resource resource, String output, String source) throws IOException, EGraphEngine, EGraphQLException {
    GraphQLEngine gql = new GraphQLEngine(TestingUtilities.context());
    gql.setServices(this);
    if (resource != null) {
        gql.setFocus(resource);
    }
    gql.setGraphQL(Parser.parseFile(TestingUtilities.resourceNameToFile("graphql", source)));
    gql.getGraphQL().setOperationName(null);
    gql.getGraphQL().getVariables().add(new Argument("var", new NameValue("true")));
    boolean ok = false;
    String msg = null;
    try {
        gql.execute();
        ok = true;
    } catch (Exception e) {
        if (!output.equals("$error"))
            e.printStackTrace();
        ok = false;
        msg = e.getMessage();
    }
    if (ok) {
        Assertions.assertTrue(!output.equals("$error"), "Expected to fail, but didn't");
        StringBuilder str = new StringBuilder();
        gql.getOutput().setWriteWrapper(false);
        gql.getOutput().write(str, 0);
        TextFile.stringToFile(str.toString(), TestingUtilities.resourceNameToFile("graphql", output + ".out"));
        msg = TestingUtilities.checkJsonIsSame(TestingUtilities.resourceNameToFile("graphql", output + ".out"), TestingUtilities.resourceNameToFile("graphql", output));
        Assertions.assertTrue(Utilities.noString(msg), msg);
    } else
        Assertions.assertTrue(output.equals("$error"), "Error, but proper output was expected (" + msg + ")");
}