Object

pl.touk.nussknacker.engine.flink.util.transformer

TransformStateTransformer

Related Doc: package transformer

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object TransformStateTransformer extends CustomStreamTransformer with ExplicitUidInOperatorsSupport

This is general usage state transformation. It takes previous value of state and transform it using newValue lambda parameter (having previous as a parameter). Transformation is done only when transformWhen expression is satisfied. States has Time-To-Leave defined by stateTimeoutSeconds parameter. So it is generally doing something like this: newStateValue = if (transformWhen) { newValue(previous) } else { previous }

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ExplicitUidInOperatorsSupport, CustomStreamTransformer, AnyRef, Any
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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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    Any

  5. def canBeEnding: Boolean

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    CustomStreamTransformer

  6. def canHaveManyInputs: Boolean

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    CustomStreamTransformer

  7. def clearsContext: Boolean

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    CustomStreamTransformer

  8. def clone(): AnyRef

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    @throws( ... )

  9. final def eq(arg0: AnyRef): Boolean

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  10. def equals(arg0: Any): Boolean

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  11. def explicitUidInStatefulOperators(nodeCtx: FlinkCustomNodeContext): Boolean

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    protected
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    ExplicitUidInOperatorsSupport
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    @Public()

  12. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

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  15. def invoke(key: LazyParameter[CharSequence], transformWhen: LazyParameter[Boolean], newValue: LazyParameter[AnyRef], stateTimeoutSeconds: Long, variableName: String)(implicit nodeId: NodeId): ContextTransformation

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    @MethodToInvoke()

  16. final def isInstanceOf[T0]: Boolean

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  17. final def ne(arg0: AnyRef): Boolean

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  18. final def notify(): Unit

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  19. final def notifyAll(): Unit

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  20. def setUidToNodeIdIfNeed[T](nodeCtx: FlinkCustomNodeContext, stream: SingleOutputStreamOperator[T]): SingleOutputStreamOperator[T]

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    ExplicitUidInOperatorsSupport

  21. def setUidToNodeIdIfNeed[T](nodeCtx: FlinkCustomNodeContext, stream: DataStreamSink[T]): DataStreamSink[T]

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    ExplicitUidInOperatorsSupport

  22. def setUidToNodeIdIfNeed[T](nodeCtx: FlinkCustomNodeContext, stream: DataStream[T]): DataStream[T]

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

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  24. def toString(): String

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  25. final def wait(): Unit

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  26. final def wait(arg0: Long, arg1: Int): Unit

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  27. final def wait(arg0: Long): Unit

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Inherited from ExplicitUidInOperatorsSupport

Inherited from CustomStreamTransformer

Inherited from AnyRef

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