org.apache.flink.api.scala.typeutils

OptionTypeComparator

class OptionTypeComparator[A] extends TypeComparator[Option[A]]

Comparator for Option values. Note that None is lesser than any Some values.

Annotations
@Internal()
Linear Supertypes
TypeComparator[Option[A]], Serializable, AnyRef, Any
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Inherited
  1. OptionTypeComparator
  2. TypeComparator
  3. Serializable
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new OptionTypeComparator(ascending: Boolean, typeComparator: TypeComparator[A])

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 compare(first: Option[A], second: Option[A]): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  9. def compareAgainstReference(arg0: Array[Comparable[_]]): Int

    Definition Classes
    TypeComparator
  10. def compareSerialized(firstSource: DataInputView, secondSource: DataInputView): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  11. def compareToReference(referencedComparator: TypeComparator[Option[A]]): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  12. def duplicate(): OptionTypeComparator[A]

    Definition Classes
    OptionTypeComparator → TypeComparator
  13. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  14. def equalToReference(candidate: Option[A]): Boolean

    Definition Classes
    OptionTypeComparator → TypeComparator
  15. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  16. def extractKeys(record: AnyRef, target: Array[AnyRef], index: Int): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  17. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  18. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  19. lazy val getFlatComparators: Array[TypeComparator[_]]

    Definition Classes
    OptionTypeComparator → TypeComparator
  20. def getNormalizeKeyLen(): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  21. def hash(record: Option[A]): Int

    Definition Classes
    OptionTypeComparator → TypeComparator
  22. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  23. def invertNormalizedKey(): Boolean

    Definition Classes
    OptionTypeComparator → TypeComparator
  24. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  25. def isNormalizedKeyPrefixOnly(keyBytes: Int): Boolean

    Definition Classes
    OptionTypeComparator → TypeComparator
  26. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  27. final def notify(): Unit

    Definition Classes
    AnyRef
  28. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  29. def putNormalizedKey(record: Option[A], target: MemorySegment, offset: Int, numBytes: Int): Unit

    Definition Classes
    OptionTypeComparator → TypeComparator
  30. def readWithKeyDenormalization(reuse: Option[A], source: DataInputView): Nothing

    Definition Classes
    OptionTypeComparator → TypeComparator
  31. def setReference(toCompare: Option[A]): Unit

    Definition Classes
    OptionTypeComparator → TypeComparator
  32. def supportsCompareAgainstReference(): Boolean

    Definition Classes
    TypeComparator
  33. def supportsNormalizedKey(): Boolean

    Definition Classes
    OptionTypeComparator → TypeComparator
  34. def supportsSerializationWithKeyNormalization(): Boolean

    Definition Classes
    OptionTypeComparator → TypeComparator
  35. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  36. def toString(): String

    Definition Classes
    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 writeWithKeyNormalization(record: Option[A], target: DataOutputView): Nothing

    Definition Classes
    OptionTypeComparator → TypeComparator

Inherited from TypeComparator[Option[A]]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped