Package org.projectnessie.versioned.persist.adapter.spi

Class BatchSpliterator<SRC,​DST>

  • All Implemented Interfaces:
    java.util.Spliterator<DST>
    public final class BatchSpliterator<SRC,​DST>
extends java.util.Spliterators.AbstractSpliterator<DST>
    Helper to implement batched retrieval of DST elements using a stream of keys of type SRC, or batched mapping of SRC to DST.

    • Nested Class Summary

      • Nested classes/interfaces inherited from interface java.util.Spliterator

        java.util.Spliterator.OfDouble, java.util.Spliterator.OfInt, java.util.Spliterator.OfLong, java.util.Spliterator.OfPrimitive<T extends java.lang.Object,​T_CONS extends java.lang.Object,​T_SPLITR extends java.util.Spliterator.OfPrimitive<T,​T_CONS,​T_SPLITR>>

    • Field Summary

      • Fields inherited from interface java.util.Spliterator

        CONCURRENT, DISTINCT, IMMUTABLE, NONNULL, ORDERED, SIZED, SORTED, SUBSIZED

    • Constructor Summary

      Constructors 
      Constructor Description
      BatchSpliterator​(int batchSize, java.util.Spliterator<SRC> source, java.util.function.Function<java.util.List<SRC>,​java.util.Spliterator<DST>> batchMapper, int characteristics)  
      BatchSpliterator​(int batchSize, java.util.stream.Stream<SRC> source, java.util.function.Function<java.util.List<SRC>,​java.util.Spliterator<DST>> batchMapper, int characteristics)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean tryAdvance​(java.util.function.Consumer<? super DST> action)  

      • Methods inherited from class java.util.Spliterators.AbstractSpliterator

        characteristics, estimateSize, trySplit

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

      • Methods inherited from interface java.util.Spliterator

        forEachRemaining, getComparator, getExactSizeIfKnown, hasCharacteristics

    • Constructor Detail

      • BatchSpliterator

        public BatchSpliterator​(int batchSize,
                        java.util.stream.Stream<SRC> source,
                        java.util.function.Function<java.util.List<SRC>,​java.util.Spliterator<DST>> batchMapper,
                        int characteristics)

      • BatchSpliterator

        public BatchSpliterator​(int batchSize,
                        java.util.Spliterator<SRC> source,
                        java.util.function.Function<java.util.List<SRC>,​java.util.Spliterator<DST>> batchMapper,
                        int characteristics)

    • Method Detail

      • tryAdvance

        public boolean tryAdvance​(java.util.function.Consumer<? super DST> action)