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java.util

Spliterators

object Spliterators

This is a basic, limit implementation of Spliterators. It is a basis for further Scala Native development, especially in the java.util.concurrent package.

It is most empathically NOT intended for production use.

The limitations of the this implementation may not be as strong as they appear at first blush. Many/most classes which extend Spliterator (no s) supply more competent and efficient implementations.

The implementation of methods on Spliterators are, to current knowledge, robust. Many of these methods return spliterators. Those spliterators have some known limitations and may have others.

Future evolutions should, over time, remove these limitations:

  • spliterators specified by Java as late-binding may not be late-binding.
  • spliterators never check for concurrent modification.
  • A number of spliterator methods have JVM descriptions of what happens after iteration starts and one of certain methods, say, trySplit() is called. This implementation may not follow the JVM description. Even in Java, it is better to never trySplit() after having begun using a spliterator to iterate.

Also noted:

  • Java documents that spliterators need not be thread-safe. This implementation follows that guidance.
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Type Members

  1. abstract class AbstractDoubleSpliterator extends OfDouble
  2. abstract class AbstractIntSpliterator extends OfInt
  3. abstract class AbstractLongSpliterator extends OfLong
  4. abstract class AbstractSpliterator[T] extends Spliterator[T]

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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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  6. def emptyDoubleSpliterator(): OfDouble
  7. def emptyIntSpliterator(): OfInt
  8. def emptyLongSpliterator(): OfLong
  9. def emptySpliterator[T](): Spliterator[T]
  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: AnyRef): Boolean
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  12. def finalize(): Unit
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    protected[lang]
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    @throws(classOf[java.lang.Throwable])
  13. final def getClass(): Class[_ <: AnyRef]
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    @native()
  14. def hashCode(): Int
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    @native()
  15. final def isInstanceOf[T0]: Boolean
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  16. def iterator[T](spliterator: Spliterator[_ <: T]): Iterator[T]
  17. def iterator(spliterator: OfLong): OfLong
  18. def iterator(spliterator: OfInt): OfInt
  19. def iterator(spliterator: OfDouble): OfDouble
  20. final def ne(arg0: AnyRef): Boolean
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  21. final def notify(): Unit
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    @native()
  22. final def notifyAll(): Unit
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    @native()
  23. def spliterator(iterator: OfLong, size: Long, characteristics: Int): OfLong
  24. def spliterator(iterator: OfInt, size: Long, characteristics: Int): OfInt
  25. def spliterator(iterator: OfDouble, size: Long, characteristics: Int): OfDouble
  26. def spliterator[T](array: Array[AnyRef], fromIndex: Int, toIndex: Int, additionalCharacteristics: Int): Spliterator[T]
  27. def spliterator[T](array: Array[AnyRef], additionalCharacteristics: Int): Spliterator[T]
  28. def spliterator(array: Array[Long], fromIndex: Int, toIndex: Int, additionalCharacteristics: Int): OfLong
  29. def spliterator(array: Array[Long], additionalCharacteristics: Int): OfLong
  30. def spliterator[T](iterator: Iterator[_ <: T], size: Long, characteristics: Int): Spliterator[T]
  31. def spliterator(array: Array[Int], fromIndex: Int, toIndex: Int, additionalCharacteristics: Int): OfInt
  32. def spliterator(array: Array[Int], additionalCharacteristics: Int): OfInt
  33. def spliterator(array: Array[Double], fromIndex: Int, toIndex: Int, additionalCharacteristics: Int): OfDouble
  34. def spliterator(array: Array[Double], additionalCharacteristics: Int): OfDouble
  35. def spliterator[T](c: Collection[_ <: T], characteristics: Int): Spliterator[T]
  36. def spliteratorUnknownSize(iterator: OfLong, characteristics: Int): OfLong
  37. def spliteratorUnknownSize(iterator: OfInt, characteristics: Int): OfInt
  38. def spliteratorUnknownSize(iterator: OfDouble, characteristics: Int): OfDouble
  39. def spliteratorUnknownSize[T](iterator: Iterator[_ <: T], characteristics: Int): Spliterator[T]
  40. final def synchronized[T0](arg0: => T0): T0
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  41. def toString(): String
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  42. final def wait(): Unit
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    @throws(classOf[java.lang.InterruptedException])
  43. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  44. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()

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