Object/Trait

com.twitter.scalding

TypeDescriptor

Related Docs: trait TypeDescriptor | package scalding

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object TypeDescriptor extends Serializable

Source
TypeDescriptor.scala
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Serializable, Serializable, AnyRef, Any
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  1. TypeDescriptor
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Value Members

  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. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toString(): String

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  17. implicit macro def typeDescriptor[T]: TypeDescriptor[T]

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    This type descriptor flattens tuples and case classes left to right, depth first.

    This type descriptor flattens tuples and case classes left to right, depth first. It supports any type T where T is Boolean, String, Short, Int, Long, Float or Double, or an Option of these, or a tuple of a supported type. So, ((Int, Int), Int) is supported, and is flattened into a length 3 cascading Tuple/Fields. ((Int, Int), (Int, Int)) would be a length 4 cascading tuple, similarly with case classes. Note, the Fields types are populated at the end of this with the exception that Option[T] is recorded as Object (since recording it as the java type would have different consequences for Cascading's null handling.

  18. final def wait(): Unit

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

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

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Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

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