SketchMerger (searchlib 7.512.7 API)

java.lang.Object
- com.yahoo.searchlib.aggregation.hll.SketchMerger

```
public class SketchMerger
extends Object
```
This class is responsible for merging any combinations of two Sketch instances.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  SketchMerger()
- 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.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SketchMerger
```
public SketchMerger()
```
- Method Detail
  - 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 a NormalSketch or SparseSketch.
    
    right - Either a NormalSketch or SparseSketch.
    
    Returns:
    
    The merged sketch. Is either first parameter, the other parameter or a new instance.