de.lmu.ifi.dbs.elki.database.query.range
Class AbstractDistanceRangeQuery<O,D extends Distance<D>>

java.lang.Object
  de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery<O>
      de.lmu.ifi.dbs.elki.database.query.range.AbstractDistanceRangeQuery<O,D>

Type Parameters:

O - Database object type

D - Distance type

All Implemented Interfaces:

DatabaseQuery, RangeQuery<O,D>

Direct Known Subclasses:

DoubleDistanceRStarTreeRangeQuery, GenericRStarTreeRangeQuery, LinearScanRangeQuery, MetricalIndexRangeQuery

public abstract class AbstractDistanceRangeQuery<O,D extends Distance<D>>
extends AbstractDataBasedQuery<O>
implements RangeQuery<O,D>

Abstract base class for range queries that use a distance query in their instance

Field Summary

protected DistanceQuery<O,D>

distanceQuery Hold the distance function to be used.

Fields inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

relation

Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery

HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE

Constructor Summary

AbstractDistanceRangeQuery(DistanceQuery<O,D> distanceQuery)
Constructor.

Method Summary

D	getDistanceFactory() Get the distance data type of the function.
List<List<DistanceResultPair<D>>>	getRangeForBulkDBIDs(ArrayDBIDs ids, D range) Bulk query method
abstract List<DistanceResultPair<D>>	getRangeForDBID(DBID id, D range) Get the nearest neighbors for a particular id in a given query range
abstract List<DistanceResultPair<D>>	getRangeForObject(O obj, D range) Get the nearest neighbors for a particular object in a given query range

Methods inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

getRelation

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.range.RangeQuery

getRelation

Field Detail

distanceQuery

protected DistanceQuery<O,D extends Distance<D>> distanceQuery

Hold the distance function to be used.

Constructor Detail

AbstractDistanceRangeQuery

public AbstractDistanceRangeQuery(DistanceQuery<O,D> distanceQuery)

Constructor.

Parameters:

distanceQuery - Distance query

Method Detail

getRangeForDBID

public abstract List<DistanceResultPair<D>> getRangeForDBID(DBID id,
                                                            D range)

Description copied from interface: RangeQuery

Get the nearest neighbors for a particular id in a given query range

Specified by:

getRangeForDBID in interface RangeQuery<O,D extends Distance<D>>

Parameters:

id - query object ID

range - Query range

Returns:

neighbors

getRangeForObject

public abstract List<DistanceResultPair<D>> getRangeForObject(O obj,
                                                              D range)

Description copied from interface: RangeQuery

Get the nearest neighbors for a particular object in a given query range

Specified by:

getRangeForObject in interface RangeQuery<O,D extends Distance<D>>

Parameters:

obj - Query object

range - Query range

Returns:

neighbors

getRangeForBulkDBIDs

public List<List<DistanceResultPair<D>>> getRangeForBulkDBIDs(ArrayDBIDs ids,
                                                              D range)

Description copied from interface: RangeQuery

Bulk query method

Specified by:

getRangeForBulkDBIDs in interface RangeQuery<O,D extends Distance<D>>

Parameters:

ids - query object IDs

range - Query range

Returns:

neighbors

getDistanceFactory

public D getDistanceFactory()

Description copied from interface: RangeQuery

Get the distance data type of the function.

Specified by:

getDistanceFactory in interface RangeQuery<O,D extends Distance<D>>