Examples with IAttachment com.ibm.websphere.jaxrs20.multipart.IAttachment used on opensource projects

Example 1 with IAttachment

use of com.ibm.websphere.jaxrs20.multipart.IAttachment in project quality-measure-and-cohort-service by Alvearie.

the class CohortEngineRestHandler method getMeasureParametersById.

@POST
@Path("/fhir/measure/{measure_id}/parameters")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.MULTIPART_FORM_DATA)
@ApiOperation(value = "Get measure parameters by id", notes = CohortEngineRestHandler.MEASURE_API_NOTES, response = MeasureParameterInfoList.class, nickname = "get_measure_parameters_by_id", tags = { "FHIR Measures" })
@ApiImplicitParams({ @ApiImplicitParam(name = FHIR_DATA_SERVER_CONFIG_PART, value = CohortEngineRestHandler.EXAMPLE_DATA_SERVER_CONFIG_JSON, dataTypeClass = FhirServerConfig.class, required = true, paramType = "form", type = "file") })
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful Operation", response = MeasureParameterInfoList.class), @ApiResponse(code = 400, message = "Bad Request", response = ServiceErrorList.class), @ApiResponse(code = 500, message = "Server Error", response = ServiceErrorList.class) })
public Response getMeasureParametersById(@ApiParam(value = ServiceBaseConstants.MINOR_VERSION_DESCRIPTION, required = true, defaultValue = ServiceBuildConstants.DATE) @QueryParam(CohortEngineRestHandler.VERSION) String version, @ApiParam(hidden = true, type = "file", required = true) IMultipartBody multipartBody, @ApiParam(value = CohortEngineRestHandler.MEASURE_ID_DESC, required = true) @PathParam(CohortEngineRestHandler.MEASURE_ID) String measureId) {
    final String methodName = MethodNames.GET_MEASURE_PARAMETERS_BY_ID.getName();
    Response response = null;
    try {
        // Perform api setup
        Response errorResponse = ServiceBaseUtility.apiSetup(version, logger, methodName);
        if (errorResponse != null) {
            return errorResponse;
        }
        IAttachment dataSourceAttachment = multipartBody.getAttachment(FHIR_DATA_SERVER_CONFIG_PART);
        if (dataSourceAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", FHIR_DATA_SERVER_CONFIG_PART));
        }
        // deserialize the MeasuresEvaluation request
        ObjectMapper om = new ObjectMapper();
        FhirServerConfig fhirServerConfig = om.readValue(dataSourceAttachment.getDataHandler().getInputStream(), FhirServerConfig.class);
        // validate the contents of the fhirServerConfig
        validateBean(fhirServerConfig);
        // get the fhir client object used to call to FHIR
        FhirClientBuilder clientBuilder = FhirClientBuilderFactory.newInstance().newFhirClientBuilder();
        IGenericClient measureClient = clientBuilder.createFhirClient(fhirServerConfig);
        // resolve the measure, and return the parameter info for all the libraries linked to by the measure
        FhirResourceResolver<Measure> measureResolver = R4FhirServerResourceResolverFactory.createMeasureResolver(measureClient);
        List<MeasureParameterInfo> parameterInfoList = FHIRRestUtils.getParametersForMeasureId(measureResolver, measureId);
        // return the results
        MeasureParameterInfoList status = new MeasureParameterInfoList().measureParameterInfoList(parameterInfoList);
        response = Response.ok(status).build();
    } catch (Throwable e) {
        // map any exceptions caught into the proper REST error response objects
        return new CohortServiceExceptionMapper().toResponse(e);
    } finally {
        // Perform api cleanup
        Response errorResponse = ServiceBaseUtility.apiCleanup(logger, methodName);
        if (errorResponse != null) {
            response = errorResponse;
        }
    }
    return response;
}

Example 2 with IAttachment

use of com.ibm.websphere.jaxrs20.multipart.IAttachment in project quality-measure-and-cohort-service by Alvearie.

the class CohortEngineRestHandler method evaluateMeasure.

@POST
@Path("/evaluation")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces({ MediaType.APPLICATION_JSON })
@ApiOperation(value = "Evaluates a measure bundle for a single patient", notes = EVALUATION_API_NOTES, response = String.class, tags = { "Measure Evaluation" }, nickname = "evaluate_measure", extensions = { @Extension(properties = { @ExtensionProperty(name = DarkFeatureSwaggerFilter.DARK_FEATURE_NAME, value = CohortEngineRestConstants.DARK_LAUNCHED_MEASURE_EVALUATION) }) })
@ApiImplicitParams({ // This is necessary for the dark launch feature
@ApiImplicitParam(access = DarkFeatureSwaggerFilter.DARK_FEATURE_CONTROLLED, paramType = "header", dataType = "string"), // These are necessary to create a proper view of the request body that is all wrapped up in the Liberty IMultipartBody parameter
@ApiImplicitParam(name = REQUEST_DATA_PART, value = EXAMPLE_REQUEST_DATA_JSON, dataTypeClass = MeasureEvaluation.class, required = true, paramType = "form", type = "file"), @ApiImplicitParam(name = MEASURE_PART, value = EXAMPLE_MEASURE_ZIP, dataTypeClass = File.class, required = true, paramType = "form", type = "file") })
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful Operation: This API returns the JSON representation of a FHIR MeasureReport. A full example can be found at https://www.hl7.org/fhir/measurereport-cms146-cat1-example.html"), @ApiResponse(code = 400, message = "Bad Request", response = ServiceErrorList.class), @ApiResponse(code = 500, message = "Server Error", response = ServiceErrorList.class) })
public Response evaluateMeasure(@Context HttpServletRequest request, @ApiParam(value = ServiceBaseConstants.MINOR_VERSION_DESCRIPTION, required = true, defaultValue = ServiceBuildConstants.DATE) @QueryParam(CohortEngineRestHandler.VERSION) String version, @ApiParam(hidden = true, type = "file", required = true) IMultipartBody multipartBody) {
    final String methodName = MethodNames.EVALUATE_MEASURE.getName();
    Response response = null;
    // Error out if feature is not enabled
    ServiceBaseUtility.isDarkFeatureEnabled(CohortEngineRestConstants.DARK_LAUNCHED_MEASURE_EVALUATION);
    try {
        // Perform api setup
        Response errorResponse = ServiceBaseUtility.apiSetup(version, logger, methodName);
        if (errorResponse != null) {
            return errorResponse;
        }
        if (multipartBody == null) {
            throw new IllegalArgumentException("A multipart/form-data body is required");
        }
        IAttachment metadataAttachment = multipartBody.getAttachment(REQUEST_DATA_PART);
        if (metadataAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", REQUEST_DATA_PART));
        }
        IAttachment measureAttachment = multipartBody.getAttachment(MEASURE_PART);
        if (measureAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", MEASURE_PART));
        }
        // deserialize the MeasuresEvaluation request
        ObjectMapper om = new ObjectMapper();
        MeasureEvaluation evaluationRequest = om.readValue(metadataAttachment.getDataHandler().getInputStream(), MeasureEvaluation.class);
        // validate the contents of the evaluationRequest
        validateBean(evaluationRequest);
        FhirContext fhirContext = FhirContext.forR4();
        try (InputStream is = measureAttachment.getDataHandler().getInputStream();
            RetrieveCacheContext retrieveCacheContext = new DefaultRetrieveCacheContext()) {
            MeasureEvaluator evaluator = createMeasureEvaluator(is, evaluationRequest.getDataServerConfig(), evaluationRequest.getTerminologyServerConfig(), evaluationRequest.isExpandValueSets(), evaluationRequest.getSearchPageSize(), retrieveCacheContext, fhirContext);
            MeasureReport report = evaluator.evaluatePatientMeasure(evaluationRequest.getPatientId(), evaluationRequest.getMeasureContext(), evaluationRequest.getEvidenceOptions());
            // The default serializer gets into an infinite loop when trying to serialize MeasureReport, so we use the
            // HAPI encoder instead.
            IParser parser = fhirContext.newJsonParser();
            ResponseBuilder responseBuilder = Response.status(Response.Status.OK).header("Content-Type", "application/json").entity(parser.encodeResourceToString(report));
            response = responseBuilder.build();
        }
    } catch (Throwable e) {
        // map any exceptions caught into the proper REST error response objects
        response = new CohortServiceExceptionMapper().toResponse(e);
    } finally {
        // Perform api cleanup
        Response errorResponse = ServiceBaseUtility.apiCleanup(logger, methodName);
        if (errorResponse != null) {
            response = errorResponse;
        }
    }
    return response;
}

Example 3 with IAttachment

use of com.ibm.websphere.jaxrs20.multipart.IAttachment in project quality-measure-and-cohort-service by Alvearie.

the class CohortEngineRestHandler method getMeasureParameters.

@POST
@Path("/fhir/measure/identifier/{measure_identifier_value}/parameters")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.MULTIPART_FORM_DATA)
@ApiOperation(value = "Get measure parameters", notes = CohortEngineRestHandler.MEASURE_API_NOTES, response = MeasureParameterInfoList.class, authorizations = { @Authorization(value = "BasicAuth") }, responseContainer = "List", tags = { "FHIR Measures" })
@ApiImplicitParams({ @ApiImplicitParam(name = FHIR_DATA_SERVER_CONFIG_PART, value = CohortEngineRestHandler.EXAMPLE_DATA_SERVER_CONFIG_JSON, dataTypeClass = FhirServerConfig.class, required = true, paramType = "form", type = "file") })
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful Operation", response = MeasureParameterInfoList.class), @ApiResponse(code = 400, message = "Bad Request", response = ServiceErrorList.class), @ApiResponse(code = 500, message = "Server Error", response = ServiceErrorList.class) })
public Response getMeasureParameters(@ApiParam(value = ServiceBaseConstants.MINOR_VERSION_DESCRIPTION, required = true, defaultValue = ServiceBuildConstants.DATE) @QueryParam(CohortEngineRestHandler.VERSION) String version, @ApiParam(hidden = true, type = "file", required = true) IMultipartBody multipartBody, @ApiParam(value = CohortEngineRestHandler.MEASURE_IDENTIFIER_VALUE_DESC, required = true) @PathParam(CohortEngineRestHandler.MEASURE_IDENTIFIER_VALUE) String measureIdentifierValue, @ApiParam(value = CohortEngineRestHandler.MEASURE_IDENTIFIER_SYSTEM_DESC, required = false) @QueryParam(CohortEngineRestHandler.MEASURE_IDENTIFIER_SYSTEM) String measureIdentifierSystem, @ApiParam(value = CohortEngineRestHandler.MEASURE_VERSION_DESC, required = false) @QueryParam(CohortEngineRestHandler.MEASURE_VERSION) String measureVersion) {
    final String methodName = MethodNames.GET_MEASURE_PARAMETERS.getName();
    Response response = null;
    try {
        // Perform api setup
        Response errorResponse = ServiceBaseUtility.apiSetup(version, logger, methodName);
        if (errorResponse != null) {
            return errorResponse;
        }
        IAttachment dataSourceAttachment = multipartBody.getAttachment(FHIR_DATA_SERVER_CONFIG_PART);
        if (dataSourceAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", FHIR_DATA_SERVER_CONFIG_PART));
        }
        // deserialize the MeasuresEvaluation request
        ObjectMapper om = new ObjectMapper();
        FhirServerConfig fhirServerConfig = om.readValue(dataSourceAttachment.getDataHandler().getInputStream(), FhirServerConfig.class);
        // validate the contents of the fhirServerConfig
        validateBean(fhirServerConfig);
        // get the fhir client object used to call to FHIR
        FhirClientBuilder clientBuilder = FhirClientBuilderFactory.newInstance().newFhirClientBuilder();
        IGenericClient measureClient = clientBuilder.createFhirClient(fhirServerConfig);
        // build the identifier object which is used by the fhir client
        // to find the measure
        Identifier identifier = new Identifier().setValue(measureIdentifierValue).setSystem(measureIdentifierSystem);
        // resolve the measure, and return the parameter info for all the libraries linked to by the measure
        FhirResourceResolver<Measure> measureResolver = R4FhirServerResourceResolverFactory.createMeasureResolver(measureClient);
        List<MeasureParameterInfo> parameterInfoList = FHIRRestUtils.getParametersForMeasureIdentifier(measureResolver, identifier, measureVersion);
        // return the results
        MeasureParameterInfoList status = new MeasureParameterInfoList().measureParameterInfoList(parameterInfoList);
        response = Response.ok(status).build();
    } catch (Throwable e) {
        // map any exceptions caught into the proper REST error response objects
        return new CohortServiceExceptionMapper().toResponse(e);
    } finally {
        // Perform api cleanup
        Response errorResponse = ServiceBaseUtility.apiCleanup(logger, methodName);
        if (errorResponse != null) {
            response = errorResponse;
        }
    }
    return response;
}

Example 4 with IAttachment

use of com.ibm.websphere.jaxrs20.multipart.IAttachment in project quality-measure-and-cohort-service by Alvearie.

the class CohortEngineRestHandler method evaluateCohort.

@POST
@Path("/cohort-evaluation")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces({ MediaType.APPLICATION_JSON })
@ApiOperation(value = "Evaluates a specific define within a CQL for a set of patients", notes = COHORT_EVALUATION_API_NOTES, response = String.class, tags = { "Cohort Evaluation" }, nickname = "evaluate_cohort", extensions = { @Extension(properties = { @ExtensionProperty(name = DarkFeatureSwaggerFilter.DARK_FEATURE_NAME, value = CohortEngineRestConstants.DARK_LAUNCHED_COHORT_EVALUATION) }) })
@ApiImplicitParams({ // This is necessary for the dark launch feature
@ApiImplicitParam(access = DarkFeatureSwaggerFilter.DARK_FEATURE_CONTROLLED, paramType = "header", dataType = "string"), @ApiImplicitParam(name = REQUEST_DATA_PART, value = EXAMPLE_COHORT_REQUEST_DATA_JSON, dataTypeClass = CohortEvaluation.class, required = true, paramType = "form", type = "file"), @ApiImplicitParam(name = CQL_DEFINITION, value = CQL_REQUIREMENTS, dataTypeClass = File.class, required = true, paramType = "form", type = "file") })
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful Operation", response = CohortResult.class), @ApiResponse(code = 400, message = "Bad Request", response = ServiceErrorList.class), @ApiResponse(code = 500, message = "Server Error", response = ServiceErrorList.class) })
public Response evaluateCohort(@Context HttpServletRequest request, @ApiParam(value = ServiceBaseConstants.MINOR_VERSION_DESCRIPTION, required = true, defaultValue = ServiceBuildConstants.DATE) @QueryParam(CohortEngineRestHandler.VERSION) String version, @ApiParam(hidden = true, type = "file", required = true) IMultipartBody multipartBody) {
    final String methodName = MethodNames.EVALUATE_COHORT.getName();
    Response response = null;
    // Error out if feature is not enabled
    ServiceBaseUtility.isDarkFeatureEnabled(CohortEngineRestConstants.DARK_LAUNCHED_MEASURE_EVALUATION);
    try {
        // Perform api setup
        Response errorResponse = ServiceBaseUtility.apiSetup(version, logger, methodName);
        if (errorResponse != null) {
            return errorResponse;
        }
        if (multipartBody == null) {
            throw new IllegalArgumentException("A multipart/form-data body is required");
        }
        IAttachment metadataAttachment = multipartBody.getAttachment(REQUEST_DATA_PART);
        if (metadataAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", REQUEST_DATA_PART));
        }
        // deserialize the MeasuresEvaluation request
        ObjectMapper om = new ObjectMapper();
        CohortEvaluation evaluationRequest = om.readValue(metadataAttachment.getDataHandler().getInputStream(), CohortEvaluation.class);
        FhirServerConfig dataServerConfig = evaluationRequest.getDataServerConfig();
        FhirServerConfig terminologyServerConfig = evaluationRequest.getTerminologyServerConfig() == null ? evaluationRequest.getDataServerConfig() : evaluationRequest.getTerminologyServerConfig();
        IAttachment cqlAttachment = multipartBody.getAttachment(CQL_DEFINITION);
        if (cqlAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", CQL_DEFINITION));
        }
        // validate the contents of the fhirServerConfig
        validateBean(dataServerConfig);
        validateBean(terminologyServerConfig);
        FhirClientBuilderFactory clientBuilderFactory = FhirClientBuilderFactory.newInstance();
        FhirClientBuilder clientBuilder = clientBuilderFactory.newFhirClientBuilder();
        CqlLibraryProvider libraryProvider;
        try (InputStream is = cqlAttachment.getDataHandler().getInputStream()) {
            ZipInputStream zis = new ZipInputStream(is);
            MapCqlLibraryProviderFactory libraryProviderFactory = new MapCqlLibraryProviderFactory();
            String[] attachmentHeaders = cqlAttachment.getHeader("Content-Disposition").split(";");
            String filename = null;
            for (String header : attachmentHeaders) {
                if (header.contains("filename")) {
                    filename = FilenameUtils.removeExtension(header.split("=")[1].replaceAll("\"", ""));
                }
            }
            String[] searchPaths = new String[] { "cql", filename + "/cql" };
            libraryProvider = libraryProviderFactory.fromZipStream(zis, searchPaths);
        }
        CqlLibraryProvider fhirClasspathProvider = new ClasspathCqlLibraryProvider();
        libraryProvider = new PriorityCqlLibraryProvider(libraryProvider, fhirClasspathProvider);
        CqlToElmTranslator translator = new CqlToElmTranslator();
        libraryProvider = new TranslatingCqlLibraryProvider(libraryProvider, translator);
        IGenericClient dataClient = clientBuilder.createFhirClient(dataServerConfig);
        IGenericClient termClient = clientBuilder.createFhirClient(terminologyServerConfig);
        CqlTerminologyProvider termProvider = new R4RestFhirTerminologyProvider(termClient);
        List<String> passingPatients;
        try (RetrieveCacheContext retrieveCacheContext = new DefaultRetrieveCacheContext()) {
            passingPatients = evaluateCohort(dataClient, termProvider, libraryProvider, retrieveCacheContext, evaluationRequest);
        }
        response = Response.status(Response.Status.OK).header("Content-Type", "application/json").entity(new CohortResult(passingPatients)).build();
    } catch (Throwable e) {
        // map any exceptions caught into the proper REST error response objects
        response = new CohortServiceExceptionMapper().toResponse(e);
    } finally {
        // Perform api cleanup
        Response errorResponse = ServiceBaseUtility.apiCleanup(logger, methodName);
        if (errorResponse != null) {
            response = errorResponse;
        }
    }
    return response;
}

Example 5 with IAttachment

use of com.ibm.websphere.jaxrs20.multipart.IAttachment in project quality-measure-and-cohort-service by Alvearie.

the class CohortEngineRestStatusHandler method getHealthCheckEnhanced.

@POST
@Path("health_check_enhanced")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.MULTIPART_FORM_DATA)
@ApiOperation(value = "Get the status of the cohorting service and dependent downstream services", notes = CohortEngineRestStatusHandler.HEALTH_CHECK_ENHANCED_API_NOTES, response = EnhancedHealthCheckResults.class, nickname = "health_check_enhanced")
@ApiImplicitParams({ @ApiImplicitParam(name = CohortEngineRestStatusHandler.FHIR_SERVER_CONNECTION_CONFIG, value = CohortEngineRestStatusHandler.EXAMPLE_HEALTH_CHECK_DATA_SERVER_CONFIG_JSON, dataTypeClass = EnhancedHealthCheckInput.class, required = true, paramType = "form", type = "file") })
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful Operation", response = EnhancedHealthCheckResults.class), @ApiResponse(code = 400, message = "Bad Request", response = ServiceErrorList.class), @ApiResponse(code = 500, message = "Server Error", response = ServiceErrorList.class) })
public Response getHealthCheckEnhanced(@ApiParam(value = ServiceBaseConstants.MINOR_VERSION_DESCRIPTION, required = true, defaultValue = ServiceBuildConstants.DATE) @QueryParam(CohortEngineRestHandler.VERSION) String version, @ApiParam(hidden = true, type = "file", required = true) IMultipartBody multipartBody) {
    final String methodName = CohortEngineRestStatusHandler.GET_HEALTH_CHECK_ENCHANCED;
    Response response = null;
    try {
        // Perform api setup
        Response errorResponse = ServiceBaseUtility.apiSetup(version, logger, methodName);
        if (errorResponse != null) {
            return errorResponse;
        }
        // initialize results object
        EnhancedHealthCheckResults results = new EnhancedHealthCheckResults();
        FhirServerConnectionStatusInfo dataServerConnectionResults = new FhirServerConnectionStatusInfo();
        dataServerConnectionResults.setServerConfigType(FhirServerConfigType.dataServerConfig);
        dataServerConnectionResults.setConnectionResults(FhirConnectionStatus.notAttempted);
        FhirServerConnectionStatusInfo terminologyServerConnectionResults = new FhirServerConnectionStatusInfo();
        terminologyServerConnectionResults.setServerConfigType(FhirServerConfigType.terminologyServerConfig);
        terminologyServerConnectionResults.setConnectionResults(FhirConnectionStatus.notAttempted);
        results.setDataServerConnectionResults(dataServerConnectionResults);
        results.setTerminologyServerConnectionResults(terminologyServerConnectionResults);
        IAttachment dataSourceAttachment = multipartBody.getAttachment(CohortEngineRestStatusHandler.FHIR_SERVER_CONNECTION_CONFIG);
        if (dataSourceAttachment == null) {
            throw new IllegalArgumentException(String.format("Missing '%s' MIME attachment", CohortEngineRestStatusHandler.FHIR_SERVER_CONNECTION_CONFIG));
        }
        // deserialize the request input
        ObjectMapper om = new ObjectMapper();
        EnhancedHealthCheckInput fhirServerConfigs = om.readValue(dataSourceAttachment.getDataHandler().getInputStream(), EnhancedHealthCheckInput.class);
        FhirServerConfig dataServerConfig = fhirServerConfigs.getDataServerConfig();
        FhirServerConfig terminologyServerConfig = fhirServerConfigs.getTerminologyServerConfig();
        // validate the contents of the dataServerConfig
        CohortEngineRestHandler.validateBean(dataServerConfig);
        // validate the contents of the terminologyServerConfig
        if (terminologyServerConfig != null) {
            CohortEngineRestHandler.validateBean(terminologyServerConfig);
        }
        // get the fhir client object used to call to FHIR
        FhirClientBuilder clientBuilder = FhirClientBuilderFactory.newInstance().newFhirClientBuilder();
        IGenericClient dataClient = clientBuilder.createFhirClient(fhirServerConfigs.getDataServerConfig());
        // try a simple patient search to validate the connection info
        try {
            // used count=0 to minimize response size
            dataClient.search().forResource(Patient.class).count(0).execute();
            dataServerConnectionResults.setConnectionResults(FhirConnectionStatus.success);
        } catch (Throwable ex) {
            dataServerConnectionResults.setConnectionResults(FhirConnectionStatus.failure);
            dataServerConnectionResults.setServiceErrorList(new CohortServiceExceptionMapper().toServiceErrorList(ex));
        }
        // try a simple valueset search to validate the connection info
        if (terminologyServerConfig != null) {
            IGenericClient terminologyClient = clientBuilder.createFhirClient(fhirServerConfigs.getTerminologyServerConfig());
            try {
                // used count=0 to minimize response size
                terminologyClient.search().forResource(ValueSet.class).count(0).execute();
                terminologyServerConnectionResults.setConnectionResults(FhirConnectionStatus.success);
            } catch (Throwable ex) {
                terminologyServerConnectionResults.setConnectionResults(FhirConnectionStatus.failure);
                terminologyServerConnectionResults.setServiceErrorList(new CohortServiceExceptionMapper().toServiceErrorList(ex));
            }
        }
        // return the results
        response = Response.ok(results).build();
    } catch (Throwable e) {
        // map any exceptions caught into the proper REST error response objects
        return new CohortServiceExceptionMapper().toResponse(e);
    } finally {
        // Perform api cleanup
        Response errorResponse = ServiceBaseUtility.apiCleanup(logger, methodName);
        if (errorResponse != null) {
            response = errorResponse;
        }
    }
    return response;
}