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abstract class InputProcessor extends AnyRef

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Instance Constructors

  1. new InputProcessor(store: StateStore)

Abstract Value Members

  1. abstract def callFunctionAndUpdateState(stateData: StateData, valueRowIter: Iterator[InternalRow], hasTimedOut: Boolean): Iterator[InternalRow]

    Call the user function on a key's data, update the state store, and return the return data iterator.

    Call the user function on a key's data, update the state store, and return the return data iterator. Note that the store updating is lazy, that is, the store will be updated only after the returned iterator is fully consumed.

    stateData

    All the data related to the state to be updated

    valueRowIter

    Iterator of values as rows, cannot be null, but can be empty

    hasTimedOut

    Whether this function is being called for a key timeout

    Attributes
    protected

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  15. val numOutputRows: SQLMetric
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  16. val numRemovedStateRows: SQLMetric
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  17. val numUpdatedStateRows: SQLMetric
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  18. def processNewData(dataIter: Iterator[InternalRow]): Iterator[InternalRow]

    For every group, get the key, values and corresponding state and call the function, and return an iterator of rows

  19. def processNewDataWithInitialState(childDataIter: Iterator[InternalRow], initStateIter: Iterator[InternalRow]): Iterator[InternalRow]

    Process the new data iterator along with the initial state.

    Process the new data iterator along with the initial state. The initial state is applied before processing the new data for every key. The user defined function is called only once for every key that has either initial state or data or both.

  20. def processTimedOutState(): Iterator[InternalRow]

    Find the groups that have timeout set and are timing out right now, and call the function

  21. final def synchronized[T0](arg0: ⇒ T0): T0
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