pyflink.datastream.functions.RuntimeContext.get_map_state

abstract RuntimeContext.get_map_state(state_descriptor: MapStateDescriptor) → MapState

Gets a handle to the system’s key/value map state. This state is similar to the value state access, but is optimized for state that is composed of user-defined key-value pairs.

This state is only accessible if the function is executed on a KeyedStream.