| Class | Description | 
|---|---|
| CheckpointReader | |
| Duration | |
| Durations | |
| Milliseconds | 
 Helper object that creates instance of  
Duration representing
 a given number of milliseconds. | 
| Minutes | 
 Helper object that creates instance of  
Duration representing
 a given number of minutes. | 
| Seconds | 
 Helper object that creates instance of  
Duration representing
 a given number of seconds. | 
| State<S> | 
 :: Experimental ::
 Abstract class for getting and updating the state in mapping function used in the  
mapWithState
 operation of a pair DStream (Scala)
 or a JavaPairDStream (Java). | 
| StateSpec<KeyType,ValueType,StateType,MappedType> | 
 :: Experimental ::
 Abstract class representing all the specifications of the DStream transformation
  
mapWithState operation of a
 pair DStream (Scala) or a
 JavaPairDStream (Java). | 
| StreamingConf | |
| StreamingContext | 
 Main entry point for Spark Streaming functionality. 
 | 
| StreamingContextPythonHelper | |
| Time | 
 This is a simple class that represents an absolute instant of time. 
 | 
| Enum | Description | 
|---|---|
| StreamingContextState | 
 :: DeveloperApi ::
 Represents the state of a StreamingContext. 
 |