de.lmu.ifi.dbs.elki.index.tree.metrical
Class MetricalIndexTree<O,D extends Distance<D>,N extends Node<E>,E extends Entry>

java.lang.Object
  de.lmu.ifi.dbs.elki.index.tree.IndexTree<N,E>
      de.lmu.ifi.dbs.elki.index.tree.metrical.MetricalIndexTree<O,D,N,E>

Type Parameters:

O - the type of objects stored in the index

D - the type of Distance used in the metrical index

N - the type of nodes used in the metrical index

E - the type of entries used in the metrical index

Direct Known Subclasses:

AbstractMTree

public abstract class MetricalIndexTree<O,D extends Distance<D>,N extends Node<E>,E extends Entry>
extends IndexTree<N,E>

Abstract super class for all metrical index classes.

Field Summary

Fields inherited from class de.lmu.ifi.dbs.elki.index.tree.IndexTree

dirCapacity, dirMinimum, initialized, leafCapacity, leafMinimum

Constructor Summary

MetricalIndexTree(PageFile<N> pagefile)
Constructor.

Method Summary

abstract DistanceFunction<? super O,D>	getDistanceFunction() Returns the distance function of this metrical index.
abstract DistanceQuery<O,D>	getDistanceQuery() Returns the distance function of this metrical index.
abstract List<E>	getLeaves() Returns a list of entries pointing to the leaf nodes of this spatial index.

Methods inherited from class de.lmu.ifi.dbs.elki.index.tree.IndexTree

createEmptyRoot, createHeader, createNewDirectoryNode, createNewLeafNode, createRootEntry, deleteNode, getFile, getLogger, getNode, getNode, getPageFileStatistics, getPageID, getPageSize, getRoot, getRootEntry, getRootID, getRootPath, initialize, initialize, initializeCapacities, initializeFromFile, isRoot, postDelete, preInsert, writeNode

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricalIndexTree

public MetricalIndexTree(PageFile<N> pagefile)

Constructor.

Parameters:

pagefile - Page file

Method Detail

getDistanceFunction

public abstract DistanceFunction<? super O,D> getDistanceFunction()

Returns the distance function of this metrical index.

Returns:

the distance function of this metrical index

getDistanceQuery

public abstract DistanceQuery<O,D> getDistanceQuery()

Returns the distance function of this metrical index.

Returns:

the distance function of this metrical index

getLeaves

public abstract List<E> getLeaves()

Returns a list of entries pointing to the leaf nodes of this spatial index.

Returns:

a list of entries pointing to the leaf nodes of this spatial index