Package elki.index.preprocessed.knn
Class PartitionApproximationMaterializeKNNPreprocessor.Factory<O>
- java.lang.Object
-
- elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory<O>
-
- elki.index.preprocessed.knn.PartitionApproximationMaterializeKNNPreprocessor.Factory<O>
-
- Type Parameters:
O
- The object type
- All Implemented Interfaces:
IndexFactory<O>
- Enclosing class:
- PartitionApproximationMaterializeKNNPreprocessor<O>
public static class PartitionApproximationMaterializeKNNPreprocessor.Factory<O> extends AbstractMaterializeKNNPreprocessor.Factory<O>
The parameterizable factory.- Author:
- Erich Schubert
-
-
Nested Class Summary
Nested Classes Modifier and Type Class Description static class
PartitionApproximationMaterializeKNNPreprocessor.Factory.Par<O>
Parameterization class.
-
Field Summary
Fields Modifier and Type Field Description (package private) int
partitions
The number of partitions to useprivate RandomFactory
rnd
Random generator-
Fields inherited from class elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory
distance, DISTANCE_FUNCTION_ID, k, K_ID
-
-
Constructor Summary
Constructors Constructor Description Factory(int k, Distance<? super O> distance, int partitions, RandomFactory rnd)
Constructor.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description PartitionApproximationMaterializeKNNPreprocessor<O>
instantiate(Relation<O> relation)
Sets the database in the distance function of this index (if existing).-
Methods inherited from class elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory
getDistance, getInputTypeRestriction
-
-
-
-
Field Detail
-
partitions
int partitions
The number of partitions to use
-
rnd
private final RandomFactory rnd
Random generator
-
-
Constructor Detail
-
Factory
public Factory(int k, Distance<? super O> distance, int partitions, RandomFactory rnd)
Constructor.- Parameters:
k
- kdistance
- distance functionpartitions
- number of partitionsrnd
-
-
-
Method Detail
-
instantiate
public PartitionApproximationMaterializeKNNPreprocessor<O> instantiate(Relation<O> relation)
Description copied from interface:IndexFactory
Sets the database in the distance function of this index (if existing).- Specified by:
instantiate
in interfaceIndexFactory<O>
- Specified by:
instantiate
in classAbstractMaterializeKNNPreprocessor.Factory<O>
- Parameters:
relation
- the relation to index
-
-