question: returns the task 's index in the subtask group . concode_field_sep int numberOfSubtasks concode_elem_sep String invokableClassName concode_elem_sep JobVertexID vertexID concode_elem_sep Configuration taskConfiguration concode_elem_sep List<BlobKey> requiredJarFiles concode_elem_sep int targetSlotNumber concode_elem_sep List<PartitionConsumerDeploymentDescriptor> consumedPartitions concode_elem_sep JobID jobID concode_elem_sep ExecutionAttemptID executionId concode_elem_sep List<PartitionDeploymentDescriptor> producedPartitions concode_elem_sep String taskName concode_elem_sep Configuration jobConfiguration concode_elem_sep long serialVersionUID concode_elem_sep int indexInSubtaskGroup concode_field_sep JobVertexID getVertexID concode_elem_sep int getNumberOfSubtasks concode_elem_sep String getTaskName concode_elem_sep Configuration getTaskConfiguration concode_elem_sep Configuration getJobConfiguration concode_elem_sep JobID getJobID concode_elem_sep ExecutionAttemptID getExecutionId concode_elem_sep int getTargetSlotNumber concode_elem_sep List<BlobKey> getRequiredJarFiles concode_elem_sep String getInvokableClassName concode_elem_sep List<PartitionDeploymentDescriptor> getProducedPartitions concode_elem_sep List<PartitionConsumerDeploymentDescriptor> getConsumedPartitions
target: int function ( ) { return indexInSubtaskGroup ; }