Examples with NiFiTemplateFlowResponse com.thinkbiganalytics.feedmgr.rest.model.NiFiTemplateFlowResponse used on opensource projects

Example 1 with NiFiTemplateFlowResponse

use of com.thinkbiganalytics.feedmgr.rest.model.NiFiTemplateFlowResponse in project kylo by Teradata.

the class TemplatesRestController method getNiFiTemplateFlowInfo.

/**
 * Returns data about the NiFiTemplate and its processors related to the input connections, along with the Datasources in the flow
 */
@POST
@Path("/nifi/{templateId}/flow-info")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation("Gets the flow for the specified template.")
@ApiResponses({ @ApiResponse(code = 200, message = "Returns the flow.", response = NiFiTemplateFlowResponse.class), @ApiResponse(code = 500, message = "NiFi is unavailable.", response = RestResponseStatus.class) })
public Response getNiFiTemplateFlowInfo(@PathParam("templateId") String templateId, NiFiTemplateFlowRequest flowRequest) {
    this.accessController.checkPermission(AccessController.SERVICES, FeedServicesAccessControl.ACCESS_TEMPLATES);
    List<TemplateProcessorDatasourceDefinition> templateProcessorDatasourceDefinitions = new ArrayList<>();
    NiFiTemplateFlowResponse response = new NiFiTemplateFlowResponse();
    response.setRequest(flowRequest);
    if (StringUtils.isNotBlank(templateId)) {
        List<RegisteredTemplate.FlowProcessor> processors = feedManagerTemplateService.getNiFiTemplateFlowProcessors(templateId, flowRequest.getConnectionInfo());
        Set<DatasourceDefinition> defs = datasourceService.getDatasourceDefinitions();
        Map<String, DatasourceDefinition> datasourceDefinitionMap = new HashMap<>();
        if (defs != null) {
            defs.stream().forEach(def -> datasourceDefinitionMap.put(def.getProcessorType(), def));
        }
        templateProcessorDatasourceDefinitions = processors.stream().filter(processor -> datasourceDefinitionMap.containsKey(processor.getType())).map(p -> {
            TemplateProcessorDatasourceDefinition definition = new TemplateProcessorDatasourceDefinition();
            definition.setProcessorType(p.getType());
            definition.setProcessorName(p.getName());
            definition.setProcessorId(p.getId());
            definition.setDatasourceDefinition(datasourceDefinitionMap.get(p.getType()));
            return definition;
        }).collect(Collectors.toList());
        response.setProcessors(processors);
        response.setTemplateProcessorDatasourceDefinitions(templateProcessorDatasourceDefinitions);
    }
    return Response.ok(response).build();
}