de.lmu.ifi.dbs.elki.algorithm.clustering.optics

Class DeLiClu.SpatialObjectPair

java.lang.Object

de.lmu.ifi.dbs.elki.algorithm.clustering.optics.DeLiClu.SpatialObjectPair

All Implemented Interfaces:

java.lang.Comparable<DeLiClu.SpatialObjectPair>

Enclosing class:

DeLiClu<V extends NumberVector>

public static class DeLiClu.SpatialObjectPair
extends java.lang.Object
implements java.lang.Comparable<DeLiClu.SpatialObjectPair>

Encapsulates an entry in the cluster order.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double	distance The current distance.
(package private) SpatialEntry	entry1 The first entry of this pair.
(package private) SpatialEntry	entry2 The second entry of this pair.
(package private) boolean	isExpandable Indicates whether this pair is expandable or not.

Constructor Summary

Constructors

Constructor and Description
SpatialObjectPair(double distance, SpatialEntry entry1, SpatialEntry entry2, boolean isExpandable) Creates a new entry with the specified parameters.

Method Summary

Modifier and Type	Method and Description
int	compareTo(DeLiClu.SpatialObjectPair other) Compares this object with the specified object for order.
boolean	equals(java.lang.Object obj) equals is used in updating the heap!
int	hashCode() hashCode is used in updating the heap!
java.lang.String	toString() Returns a string representation of the object.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

entry1

SpatialEntry entry1

The first entry of this pair.

entry2

SpatialEntry entry2

The second entry of this pair.

isExpandable

boolean isExpandable

Indicates whether this pair is expandable or not.

distance

double distance

The current distance.

Constructor Detail

SpatialObjectPair

public SpatialObjectPair(double distance,
                         SpatialEntry entry1,
                         SpatialEntry entry2,
                         boolean isExpandable)

Creates a new entry with the specified parameters.

Parameters:

entry1 - the first entry of this pair

entry2 - the second entry of this pair

isExpandable - if true, this pair is expandable (a pair of nodes), otherwise this pair is not expandable (a pair of objects)

Method Detail

compareTo

public int compareTo(DeLiClu.SpatialObjectPair other)

Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

Specified by:

compareTo in interface java.lang.Comparable<DeLiClu.SpatialObjectPair>

Parameters:

other - the Object to be compared.

Returns:

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

toString

public java.lang.String toString()

Returns a string representation of the object.

Overrides:

toString in class java.lang.Object

Returns:

a string representation of the object.

equals

public boolean equals(java.lang.Object obj)

equals is used in updating the heap!

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

hashCode is used in updating the heap!

Overrides:

hashCode in class java.lang.Object