org.finra.herd.service

Interface EmrHelperService

All Known Implementing Classes:

EmrHelperServiceImpl

public interface EmrHelperService

The helper service class for the emr functionality.

Method Summary

Modifier and Type	Method and Description
EmrClusterCreateDto	emrCreateClusterAwsSpecificSteps(EmrClusterCreateRequest request, EmrClusterDefinition emrClusterDefinition, EmrClusterAlternateKeyDto emrClusterAlternateKeyDto, EmrParamsDto emrParamsDto) Executes S3 specific steps for EMR cluster creation.
EmrClusterPreCreateDto	emrPreCreateClusterSteps(EmrClusterAlternateKeyDto emrClusterAlternateKeyDto, EmrClusterCreateRequest request) Executes steps required to prepare for the EMR cluster creation.
void	logEmrClusterCreation(EmrClusterAlternateKeyDto emrClusterAlternateKeyDto, EmrClusterDefinition emrClusterDefinition, String clusterId) Logs the EMR cluster creation event.

Method Detail

emrPreCreateClusterSteps

EmrClusterPreCreateDto emrPreCreateClusterSteps(EmrClusterAlternateKeyDto emrClusterAlternateKeyDto,
                                                EmrClusterCreateRequest request)
                                         throws Exception

Executes steps required to prepare for the EMR cluster creation.

Parameters:

emrClusterAlternateKeyDto - the ERM cluster alternate key

request - The EMR cluster create request

Returns:

the EMR cluster pre-create DTO with cluster definition and AWS related parameters

Throws:

Exception - Exception when the original EMR cluster definition XML is malformed

emrCreateClusterAwsSpecificSteps

EmrClusterCreateDto emrCreateClusterAwsSpecificSteps(EmrClusterCreateRequest request,
                                                     EmrClusterDefinition emrClusterDefinition,
                                                     EmrClusterAlternateKeyDto emrClusterAlternateKeyDto,
                                                     EmrParamsDto emrParamsDto)

Executes S3 specific steps for EMR cluster creation.

Parameters:

request - The EMR cluster create request

emrClusterDefinition - the EMR cluster definition

emrClusterAlternateKeyDto - the ERM cluster alternate key

emrParamsDto - the AWS related parameters

Returns:

an EMR cluster create DTO with the cluster creation information

logEmrClusterCreation

void logEmrClusterCreation(EmrClusterAlternateKeyDto emrClusterAlternateKeyDto,
                           EmrClusterDefinition emrClusterDefinition,
                           String clusterId)
                    throws Exception

Logs the EMR cluster creation event.

Parameters:

emrClusterAlternateKeyDto - the ERM cluster alternate key

emrClusterDefinition - the EMR cluster definition

clusterId - the EMR cluster Id

Throws:

Exception - Exception can occur when converting the EMR cluster definition to XML