Package org.apache.lucene.util.bkd
Class MutablePointsReaderUtils
- java.lang.Object
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- org.apache.lucene.util.bkd.MutablePointsReaderUtils
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public final class MutablePointsReaderUtils extends Object
Utility APIs for sorting and partitioning buffered points.- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static void
partition(BKDConfig config, int maxDoc, int splitDim, int commonPrefixLen, MutablePointValues reader, int from, int to, int mid, BytesRef scratch1, BytesRef scratch2)
Partition points aroundmid
.static void
sort(BKDConfig config, int maxDoc, MutablePointValues reader, int from, int to)
Sort the givenMutablePointValues
based on its packed value then doc ID.static void
sortByDim(BKDConfig config, int sortedDim, int[] commonPrefixLengths, MutablePointValues reader, int from, int to, BytesRef scratch1, BytesRef scratch2)
Sort points on the given dimension.
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Method Detail
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sort
public static void sort(BKDConfig config, int maxDoc, MutablePointValues reader, int from, int to)
Sort the givenMutablePointValues
based on its packed value then doc ID.
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sortByDim
public static void sortByDim(BKDConfig config, int sortedDim, int[] commonPrefixLengths, MutablePointValues reader, int from, int to, BytesRef scratch1, BytesRef scratch2)
Sort points on the given dimension.
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partition
public static void partition(BKDConfig config, int maxDoc, int splitDim, int commonPrefixLen, MutablePointValues reader, int from, int to, int mid, BytesRef scratch1, BytesRef scratch2)
Partition points aroundmid
. All values on the left must be less than or equal to it and all values on the right must be greater than or equal to it.
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