D
- the type of distance the used distance function will returnN
- the type of spatial nodes in the spatial indexE
- the type of spatial entries in the spatial indexpublic static class SpatialApproximationMaterializeKNNPreprocessor.Factory<D extends Distance<D>,N extends SpatialNode<N,E>,E extends SpatialEntry> extends AbstractMaterializeKNNPreprocessor.Factory<NumberVector<?,?>,D>
Modifier and Type | Class and Description |
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static class |
SpatialApproximationMaterializeKNNPreprocessor.Factory.Parameterizer<D extends Distance<D>,N extends SpatialNode<N,E>,E extends SpatialEntry>
Parameterization class.
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DISTANCE_FUNCTION_ID, distanceFunction, k, K_ID
Constructor and Description |
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SpatialApproximationMaterializeKNNPreprocessor.Factory(int k,
DistanceFunction<? super NumberVector<?,?>,D> distanceFunction)
Constructor.
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Modifier and Type | Method and Description |
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SpatialApproximationMaterializeKNNPreprocessor<NumberVector<?,?>,D,N,E> |
instantiate(Relation<NumberVector<?,?>> relation)
Sets the database in the distance function of this index (if existing).
|
getDistanceFactory, getDistanceFunction, getInputTypeRestriction
public SpatialApproximationMaterializeKNNPreprocessor.Factory(int k, DistanceFunction<? super NumberVector<?,?>,D> distanceFunction)
k
- kdistanceFunction
- distance functionpublic SpatialApproximationMaterializeKNNPreprocessor<NumberVector<?,?>,D,N,E> instantiate(Relation<NumberVector<?,?>> relation)
IndexFactory
instantiate
in interface IndexFactory<NumberVector<?,?>,KNNIndex<NumberVector<?,?>>>
instantiate
in class AbstractMaterializeKNNPreprocessor.Factory<NumberVector<?,?>,D extends Distance<D>>
relation
- the relation to index