CacheMetadataExtension

Value Members

1. final def !=(arg0: Any): Boolean

   

   Definition Classes

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2. final def ##(): Int

   

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

   

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4. def addOrIgnore(label: String, cacheMetaItem: CacheMetaItem): CacheMetadataExtension

   

5. final def asInstanceOf[T0]: T0

   

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   Any

6. val cacheMeta: CacheMeta

   

7. def clone(): AnyRef

   

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   protected[java.lang]

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

   

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9. def finalize(): Unit

   

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   protected[java.lang]

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

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

    

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    AnyRef → Any

11. def identifier: DataFlowMetadataExtensionIdentifier

    

    Used to identify an extension instance on the flow

    Used to identify an extension instance on the flow

    Definition Classes

    CacheMetadataExtension → DataFlowMetadataExtension

12. final def isInstanceOf[T0]: Boolean

    

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13. def isTraceEnabled(): Boolean

    

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    Definition Classes

    Logging

14. def logAndReturn[A](a: A, msg: String, level: Level): A

    

    Takes a value of type A and a msg to log, returning a and logging the message at the desired level

    Takes a value of type A and a msg to log, returning a and logging the message at the desired level

    returns

    a

    Definition Classes

    Logging

15. def logAndReturn[A](a: A, message: (A) ⇒ String, level: Level): A

    

    Takes a value of type A and a function message from A to String, logs the value of invoking message(a) at the level described by the level parameter

    Takes a value of type A and a function message from A to String, logs the value of invoking message(a) at the level described by the level parameter

    returns

    a

    Definition Classes

    Logging

    Example:

    1. logAndReturn(1, (num: Int) => s"number: $num", Info)
       // In the log we would see a log corresponding to "number 1"

16. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

    

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17. def logDebug(msg: ⇒ String): Unit

    

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18. def logError(msg: ⇒ String, throwable: Throwable): Unit

    

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19. def logError(msg: ⇒ String): Unit

    

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20. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

    

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21. def logInfo(msg: ⇒ String): Unit

    

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    Logging

22. def logName: String

    

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    Logging

23. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

    

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    Logging

24. def logTrace(msg: ⇒ String): Unit

    

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    Logging

25. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

    

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    Logging

26. def logWarning(msg: ⇒ String): Unit

    

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    Logging

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

    

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28. final def notify(): Unit

    

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29. final def notifyAll(): Unit

    

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30. def preExecutionManipulation(flow: SparkDataFlow): SparkDataFlow

    

    Function that is called just before a flow is executed.

    Function that is called just before a flow is executed. This function can be used to: * Validate a flow (using the metadata state) * Change the flow in some way (using the metadata state)

    This function can be called multiple times until all invocations stabilise. Ensure you remove the extension from the flow to prevent the extension being called again.

    Definition Classes

    CacheMetadataExtension → DataFlowMetadataExtension

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

    

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32. final def wait(): Unit

    

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    @throws( ... )

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

    

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    @throws( ... )

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

    

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    @throws( ... )