Dataset<T> df
Dataset<T> ds
SparkSession ss
SQLContext sc
DStream<T> ds
Map<K,V> boltConfig
Map<K,V> spoutConfig
List<E> tupleFields
boolean ackReads
int queueSize
Map<K,V> inTransitQueue
Queue<E> replayQueue
Map<K,V> retries
Integer tupleRetries
TupleFailureHandling tupleFailure