FinalFlatMap

executor

FlatMapOperation

online

FlatMapParallelism

option

FlushFrequency

option

FunctionFlatMapOperation

online

FunctionKeyFlatMapOperation

online

fail

InputState State

failed

State

fanOut

InputState

flatMap

FlatMapOperation

foldLeft

Queue

foreach

Queue

from

MergeableStoreFactory

fromBlocking

Queue

fromOnlineOnly

MergeableStoreFactory

fromQueue

Queue