Trait/Object

pl.touk.nussknacker.engine.flink.api.compat

ExplicitUidInOperatorsSupport

Related Docs: object ExplicitUidInOperatorsSupport | package compat

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trait ExplicitUidInOperatorsSupport extends AnyRef

This trait helps to explicitly set uids for Flink's stateful operators. Regards to https://ci.apache.org/projects/flink/flink-docs-stable/ops/upgrading.html#matching-operator-state operator with state should has specified uid. Otherwise recovery of state could fail.

Currently this class doesn't set up uids until you add: globalParameters { explicitUidInStatefulOperators: true } in your model config.

In the future this behaviour will change to setting up uids by default.

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AnyRef, Any
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BasicFlinkSink, BasicFlinkSource
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  7. def equals(arg0: Any): Boolean

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  8. def explicitUidInStatefulOperators(nodeCtx: FlinkCustomNodeContext): Boolean

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    Rewrite it if you wan to change globally configured behaviour of setting uid with local one

    Rewrite it if you wan to change globally configured behaviour of setting uid with local one

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  15. final def notifyAll(): Unit

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

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

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

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