
O - the type of database objects the preprocessor can be applied toD - 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 MetricalIndexApproximationMaterializeKNNPreprocessor.Factory<O extends NumberVector<?>,D extends Distance<D>,N extends Node<E>,E extends MTreeEntry<D>> extends AbstractMaterializeKNNPreprocessor.Factory<O,D,KNNResult<D>>
| Modifier and Type | Class and Description | 
|---|---|
| static class  | MetricalIndexApproximationMaterializeKNNPreprocessor.Factory.Parameterizer<O extends NumberVector<?>,D extends Distance<D>,N extends Node<E>,E extends MTreeEntry<D>>Parameterization class. | 
DISTANCE_FUNCTION_ID, distanceFunction, k, K_ID| Constructor and Description | 
|---|
| MetricalIndexApproximationMaterializeKNNPreprocessor.Factory(int k,
                                                            DistanceFunction<? super O,D> distanceFunction)Constructor. | 
| Modifier and Type | Method and Description | 
|---|---|
| MetricalIndexApproximationMaterializeKNNPreprocessor<O,D,N,E> | instantiate(Relation<O> relation)Sets the database in the distance function of this index (if existing). | 
getDistanceFactory, getDistanceFunction, getInputTypeRestrictionpublic MetricalIndexApproximationMaterializeKNNPreprocessor.Factory(int k,
                                                            DistanceFunction<? super O,D> distanceFunction)
k - kdistanceFunction - distance functionpublic MetricalIndexApproximationMaterializeKNNPreprocessor<O,D,N,E> instantiate(Relation<O> relation)
IndexFactoryinstantiate in interface IndexFactory<O extends NumberVector<?>,KNNIndex<O extends NumberVector<?>>>instantiate in class AbstractMaterializeKNNPreprocessor.Factory<O extends NumberVector<?>,D extends Distance<D>,KNNResult<D extends Distance<D>>>relation - the relation to index