Class MultiSorter


  • final class MultiSorter
    extends java.lang.Object
    • Constructor Detail

      • MultiSorter

        MultiSorter()
    • Method Detail

      • sort

        static MergeState.DocMap[] sort​(Sort sort,
                                        java.util.List<CodecReader> readers)
                                 throws java.io.IOException
        Does a merge sort of the leaves of the incoming reader, returning MergeState.DocMap to map each leaf's documents into the merged segment. The documents for each incoming leaf reader must already be sorted by the same sort! Returns null if the merge sort is not needed (segments are already in index sort order).
        Throws:
        java.io.IOException
      • getComparableProviders

        private static MultiSorter.ComparableProvider[] getComparableProviders​(java.util.List<CodecReader> readers,
                                                                               SortField sortField)
                                                                        throws java.io.IOException
        Returns ComparableProviders for the provided readers to represent the requested SortField sort order.
        Throws:
        java.io.IOException