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

Example 36 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException 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 37 with EGraphQLException

use of org.hl7.fhir.utilities.graphql.EGraphQLException 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 38 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 39 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 40 with EGraphQLException

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

the class GraphQLEngine method execute.

@Override
public void execute() throws EGraphEngine, EGraphQLException, FHIRException {
    if (graphQL == null)
        throw new EGraphEngine("Unable to process graphql - graphql document missing");
    fpe = new FHIRPathEngine(this.context);
    magicExpression = new ExpressionNode(0);
    output = new GraphQLResponse();
    Operation op = null;
    // todo: initial conditions
    if (!Utilities.noString(graphQL.getOperationName())) {
        op = graphQL.getDocument().operation(graphQL.getOperationName());
        if (op == null)
            throw new EGraphEngine("Unable to find operation \"" + graphQL.getOperationName() + "\"");
    } else if ((graphQL.getDocument().getOperations().size() == 1))
        op = graphQL.getDocument().getOperations().get(0);
    else
        throw new EGraphQLException("No operation name provided, so expected to find a single operation");
    if (op.getOperationType() == OperationType.qglotMutation)
        throw new EGraphQLException("Mutation operations are not supported (yet)");
    checkNoDirectives(op.getDirectives());
    processVariables(op);
    if (focus == null)
        processSearch(output, op.getSelectionSet(), false, "");
    else
        processObject(focus, focus, output, op.getSelectionSet(), false, "");
}