Packages

c

org.apache.spark.sql.execution.streaming

AvailableNowDataStreamWrapper

class AvailableNowDataStreamWrapper extends SparkDataStream with SupportsTriggerAvailableNow with Logging

This class wraps a SparkDataStream and makes it support Trigger.AvailableNow, by overriding its latestOffset method to always return the latest offset at the beginning of the query.

Linear Supertypes
Logging, SupportsTriggerAvailableNow, SupportsAdmissionControl, SparkDataStream, AnyRef, Any
Known Subclasses
AvailableNowMicroBatchStreamWrapper, AvailableNowSourceWrapper
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. AvailableNowDataStreamWrapper
  2. Logging
  3. SupportsTriggerAvailableNow
  4. SupportsAdmissionControl
  5. SparkDataStream
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new AvailableNowDataStreamWrapper(delegate: SparkDataStream)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  6. def commit(end: connector.read.streaming.Offset): Unit
    Definition Classes
    AvailableNowDataStreamWrapper → SparkDataStream
  7. val delegate: SparkDataStream
  8. def deserializeOffset(json: String): connector.read.streaming.Offset
    Definition Classes
    AvailableNowDataStreamWrapper → SparkDataStream
  9. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  10. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  11. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  12. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  13. def getDefaultReadLimit(): ReadLimit

    Always return ReadLimit.allAvailable

    Always return ReadLimit.allAvailable

    Definition Classes
    AvailableNowDataStreamWrapper → SupportsAdmissionControl
  14. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. def initialOffset(): connector.read.streaming.Offset
    Definition Classes
    AvailableNowDataStreamWrapper → SparkDataStream
  16. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  17. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  18. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  19. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  20. def latestOffset(startOffset: connector.read.streaming.Offset, limit: ReadLimit): connector.read.streaming.Offset

    Return the latest offset pre-fetched in prepareForTriggerAvailableNow.

    Return the latest offset pre-fetched in prepareForTriggerAvailableNow.

    Definition Classes
    AvailableNowDataStreamWrapper → SupportsAdmissionControl
  21. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  22. def logDebug(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  23. def logDebug(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  24. def logError(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  25. def logError(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  26. def logInfo(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  27. def logInfo(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  28. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  29. def logTrace(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  30. def logTrace(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  31. def logWarning(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  32. def logWarning(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  33. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  34. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  35. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  36. def prepareForTriggerAvailableNow(): Unit

    Fetch and store the latest offset for all available data at the beginning of the query.

    Fetch and store the latest offset for all available data at the beginning of the query.

    Definition Classes
    AvailableNowDataStreamWrapper → SupportsTriggerAvailableNow
  37. def reportLatestOffset(): connector.read.streaming.Offset
    Definition Classes
    AvailableNowDataStreamWrapper → SupportsAdmissionControl
  38. def stop(): Unit
    Definition Classes
    AvailableNowDataStreamWrapper → SparkDataStream
  39. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  40. def toString(): String
    Definition Classes
    AnyRef → Any
  41. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  42. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  43. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from Logging

Inherited from SupportsTriggerAvailableNow

Inherited from SupportsAdmissionControl

Inherited from SparkDataStream

Inherited from AnyRef

Inherited from Any

Ungrouped