org.apache.spark.sql.execution.streaming

FileStreamSource

class FileStreamSource extends Source with Logging

A very simple source that reads text files from the given directory as they appear.

TODO Clean up the metadata files periodically

Linear Supertypes
Logging, Source, AnyRef, Any
Ordering
  1. Alphabetic
  2. By inheritance
Inherited
  1. FileStreamSource
  2. Logging
  3. Source
  4. AnyRef
  5. Any
  1. Hide All
  2. Show all
Learn more about member selection
Visibility
  1. Public
  2. All

Instance Constructors

  1. new FileStreamSource(sparkSession: SparkSession, path: String, fileFormatClassName: String, schema: StructType, metadataPath: String, options: Map[String, String])

Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. def currentOffset: LongOffset

    Return the latest offset in the source

  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[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  12. def getBatch(start: Option[Offset], end: Offset): DataFrame

    Returns the data that is between the offsets (start, end].

    Returns the data that is between the offsets (start, end].

    Definition Classes
    FileStreamSource → Source

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

    Definition Classes
    AnyRef → Any

  14. def getOffset: Option[Offset]

    Returns the maximum available offset for this source.

    Returns the maximum available offset for this source.

    Definition Classes
    FileStreamSource → Source

  15. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  16. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

    Attributes
    protected
    Definition Classes
    Logging

  17. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  18. def isTraceEnabled(): Boolean

    Attributes
    protected
    Definition Classes
    Logging

  19. def log: Logger

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

  26. def logName: String

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Definition Classes
    AnyRef

  32. final def notify(): Unit

    Definition Classes
    AnyRef

  33. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  34. val schema: StructType

    Returns the schema of the data from this source

    Returns the schema of the data from this source

    Definition Classes
    FileStreamSource → Source

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

    Definition Classes
    AnyRef

  36. def toString(): String

    Definition Classes
    FileStreamSource → AnyRef → Any

  37. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  40. def withBatchingLocked[T](func: ⇒ T): T

    For test only.

    For test only. Run func with the internal lock to make sure when func is running, the current offset won't be changed and no new batch will be emitted.

Inherited from Logging

Inherited from Source

Inherited from AnyRef

Inherited from Any

Ungrouped