Class SketchMerger
- java.lang.Object
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- com.yahoo.searchlib.aggregation.hll.SketchMerger
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Constructor Summary
Constructors Constructor Description SketchMerger()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Sketch<?>
merge(Sketch<?> left, Sketch<?> right)
Merges one of the two sketches into the other.
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Method Detail
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merge
public Sketch<?> merge(Sketch<?> left, Sketch<?> right)
Merges one of the two sketches into the other. The merge operation is performed in-place is possible.- Parameters:
left
- Either aNormalSketch
orSparseSketch
.right
- Either aNormalSketch
orSparseSketch
.- Returns:
- The merged sketch. Is either first parameter, the other parameter or a new instance.
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