com.spotify.ratatool.samplers

ParquetSampler

class ParquetSampler extends Sampler[GenericRecord]

Sampler for Parquet files.

Records are represented as Avro GenericRecord. Only head mode is supported.

Linear Supertypes
Sampler[GenericRecord], AnyRef, Any
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  1. ParquetSampler
  2. Sampler
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Visibility
  1. Public
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Instance Constructors

  1. new ParquetSampler(path: Path, seed: Option[Long] = scala.None)

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. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  12. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  13. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

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

    Definition Classes
    AnyRef

  15. def nextLong(n: Long): Long

    Attributes
    protected
    Definition Classes
    Sampler

  16. final def notify(): Unit

    Definition Classes
    AnyRef

  17. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  18. val random: Random

    Attributes
    protected
    Definition Classes
    Sampler

  19. def sample(n: Long, head: Boolean): Seq[GenericRecord]

    Sample records from the data source.

    Sample records from the data source.

    Data may be sampled randomly if head == false or otherwise from the beginning (head mode).

    Definition Classes
    ParquetSampler → Sampler

  20. val seed: Option[Long]

    Attributes
    protected
    Definition Classes
    ParquetSampler → Sampler

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

    Definition Classes
    AnyRef

  22. def toString(): String

    Definition Classes
    AnyRef → Any

  23. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Sampler[GenericRecord]

Inherited from AnyRef

Inherited from Any

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