Package org.apache.storm.streams.processors

# Interface StatefulProcessor<K,V>

Type Parameters:
  `K` - the key type
  `V` - the value type

All Known Implementing Classes:
  `StateQueryProcessor`, `UpdateStateByKeyProcessor`

public interface StatefulProcessor<K,V>
Top level interface for processors that does stateful processing.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `initState(KeyValueState<K,V> keyValueState)`
  Initialize the state of the processor with the given `KeyValueState`.

- ## Method Details

  - ### initState

    void initState(KeyValueState<K,V> keyValueState)
    Initialize the state of the processor with the given `KeyValueState`.
    Parameters:
      `keyValueState` - the key-value state