Class

org.apache.spark.sql.streaming

StreamingQueryManager

Related Doc: package streaming

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class StreamingQueryManager extends Logging

A class to manage all the StreamingQuery active in a SparkSession.

Annotations
@Evolving()
Source
StreamingQueryManager.scala
Since

2.0.0

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Logging, 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. def active: Array[StreamingQuery]

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    Returns a list of active queries associated with this SQLContext

    Returns a list of active queries associated with this SQLContext

    Since

    2.0.0

  5. def addListener(listener: StreamingQueryListener): Unit

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    Register a StreamingQueryListener to receive up-calls for life cycle events of StreamingQuery.

    Register a StreamingQueryListener to receive up-calls for life cycle events of StreamingQuery.

    Since

    2.0.0

  6. final def asInstanceOf[T0]: T0

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  7. def awaitAnyTermination(timeoutMs: Long): Boolean

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    Wait until any of the queries on the associated SQLContext has terminated since the creation of the context, or since resetTerminated() was called.

    Wait until any of the queries on the associated SQLContext has terminated since the creation of the context, or since resetTerminated() was called. Returns whether any query has terminated or not (multiple may have terminated). If any query has terminated with an exception, then the exception will be thrown.

    If a query has terminated, then subsequent calls to awaitAnyTermination() will either return true immediately (if the query was terminated by query.stop()), or throw the exception immediately (if the query was terminated with exception). Use resetTerminated() to clear past terminations and wait for new terminations.

    In the case where multiple queries have terminated since resetTermination() was called, if any query has terminated with exception, then awaitAnyTermination() will throw any of the exception. For correctly documenting exceptions across multiple queries, users need to stop all of them after any of them terminates with exception, and then check the query.exception() for each query.

    Annotations
    @throws( ... )
    Since

    2.0.0

    Exceptions thrown

    StreamingQueryException if any query has terminated with an exception

  8. def awaitAnyTermination(): Unit

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    Wait until any of the queries on the associated SQLContext has terminated since the creation of the context, or since resetTerminated() was called.

    Wait until any of the queries on the associated SQLContext has terminated since the creation of the context, or since resetTerminated() was called. If any query was terminated with an exception, then the exception will be thrown.

    If a query has terminated, then subsequent calls to awaitAnyTermination() will either return immediately (if the query was terminated by query.stop()), or throw the exception immediately (if the query was terminated with exception). Use resetTerminated() to clear past terminations and wait for new terminations.

    In the case where multiple queries have terminated since resetTermination() was called, if any query has terminated with exception, then awaitAnyTermination() will throw any of the exception. For correctly documenting exceptions across multiple queries, users need to stop all of them after any of them terminates with exception, and then check the query.exception() for each query.

    Annotations
    @throws( ... )
    Since

    2.0.0

    Exceptions thrown

    StreamingQueryException if any query has terminated with an exception

  9. def clone(): AnyRef

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

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  11. def equals(arg0: Any): Boolean

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  12. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. def get(id: String): StreamingQuery

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    Returns the query if there is an active query with the given id, or null.

    Returns the query if there is an active query with the given id, or null.

    Since

    2.1.0

  14. def get(id: UUID): StreamingQuery

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    Returns the query if there is an active query with the given id, or null.

    Returns the query if there is an active query with the given id, or null.

    Since

    2.1.0

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

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  16. def hashCode(): Int

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  17. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean = false): Boolean

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  18. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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  19. final def isInstanceOf[T0]: Boolean

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  20. def isTraceEnabled(): Boolean

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  21. def log: Logger

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

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  23. def logDebug(msg: ⇒ String): Unit

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

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  25. def logError(msg: ⇒ String): Unit

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

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  27. def logInfo(msg: ⇒ String): Unit

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  28. def logName: String

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

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  30. def logTrace(msg: ⇒ String): Unit

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

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

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

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  34. final def notify(): Unit

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  35. final def notifyAll(): Unit

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  36. def removeListener(listener: StreamingQueryListener): Unit

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    Deregister a StreamingQueryListener.

    Deregister a StreamingQueryListener.

    Since

    2.0.0

  37. def resetTerminated(): Unit

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    Forget about past terminated queries so that awaitAnyTermination() can be used again to wait for new terminations.

    Forget about past terminated queries so that awaitAnyTermination() can be used again to wait for new terminations.

    Since

    2.0.0

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

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  39. def toString(): String

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  40. final def wait(): Unit

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    @throws( ... )
  41. final def wait(arg0: Long, arg1: Int): Unit

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

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