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org.apache.flink.cep.scala

CEP

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object CEP

Utility method to transform a DataStream into a PatternStream to do CEP.

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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  15. def pattern[T](input: DataStream[T], pattern: Pattern[T, _ <: T], comparator: EventComparator[T]): PatternStream[T]

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    Transforms a DataStream into a PatternStream in the Scala API.

    Transforms a DataStream into a PatternStream in the Scala API. See org.apache.flink.cep.CEP}for a more detailed description how the underlying Java API works.

    T

    Type of the input events

    input

    DataStream containing the input events

    pattern

    Pattern specification which shall be detected

    comparator

    Comparator to sort events with equal timestamps

    returns

    Resulting pattern stream

  16. def pattern[T](input: DataStream[T], pattern: Pattern[T, _ <: T]): PatternStream[T]

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    Transforms a DataStream into a PatternStream in the Scala API.

    Transforms a DataStream into a PatternStream in the Scala API. See org.apache.flink.cep.CEP}for a more detailed description how the underlying Java API works.

    T

    Type of the input events

    input

    DataStream containing the input events

    pattern

    Pattern specification which shall be detected

    returns

    Resulting pattern stream

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

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