Package elki.database.query.rknn

Class PreprocessorRKNNQuery<O>

java.lang.Object

elki.database.query.rknn.PreprocessorRKNNQuery<O>

All Implemented Interfaces:

elki.database.query.rknn.RKNNSearcher<elki.database.ids.DBIDRef>

public class PreprocessorRKNNQuery<O>
extends java.lang.Object
implements elki.database.query.rknn.RKNNSearcher<elki.database.ids.DBIDRef>

Instance for a particular database, invoking the preprocessor.

Since:

0.4.0

Author:

Elke Achtert

Field Summary

Fields

Modifier and Type	Field	Description
private MaterializeKNNAndRKNNPreprocessor<O>	preprocessor	The last preprocessor result
protected elki.database.relation.Relation<? extends O>	relation	The data to use for this query
private boolean	warned	Warn only once.

Constructor Summary

Constructors

Constructor	Description
PreprocessorRKNNQuery(elki.database.relation.Relation<O> database, MaterializeKNNAndRKNNPreprocessor.Factory<O> preprocessor)	Constructor.
PreprocessorRKNNQuery(elki.database.relation.Relation<O> relation, MaterializeKNNAndRKNNPreprocessor<O> preprocessor)	Constructor.

Method Summary

Modifier and Type	Method	Description
elki.database.ids.DoubleDBIDList	getRKNN(elki.database.ids.DBIDRef id, int k)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

relation

protected final elki.database.relation.Relation<? extends O> relation

The data to use for this query

preprocessor

private final MaterializeKNNAndRKNNPreprocessor<O> preprocessor

The last preprocessor result

warned

private boolean warned

Warn only once.

Constructor Detail

PreprocessorRKNNQuery

public PreprocessorRKNNQuery(elki.database.relation.Relation<O> relation,
                             MaterializeKNNAndRKNNPreprocessor<O> preprocessor)

Constructor.

Parameters:

relation - Relation to query

preprocessor - Preprocessor instance to use

PreprocessorRKNNQuery

public PreprocessorRKNNQuery(elki.database.relation.Relation<O> database,
                             MaterializeKNNAndRKNNPreprocessor.Factory<O> preprocessor)

Constructor.

Parameters:

database - Database to query

preprocessor - Preprocessor to use

Method Detail

getRKNN

public elki.database.ids.DoubleDBIDList getRKNN(elki.database.ids.DBIDRef id,
                                                int k)

Specified by:

getRKNN in interface elki.database.query.rknn.RKNNSearcher<O>