de.lmu.ifi.dbs.elki.utilities.heap
Class DefaultHeapNode<K extends Comparable<K>,V extends Identifiable>

java.lang.Object
  de.lmu.ifi.dbs.elki.utilities.heap.DefaultHeapNode<K,V>

All Implemented Interfaces:

HeapNode<K,V>, Serializable, Comparable<HeapNode<K,V>>

Direct Known Subclasses:

PQNode

public class DefaultHeapNode<K extends Comparable<K>,V extends Identifiable>
extends Object
implements HeapNode<K,V>

A default implementation of an object that can be stored in a heap.

Author:

Elke Achtert

See Also:

Serialized Form

Field Summary

private K	key The key of this heap node.
private V	value The value of this heap node.

Constructor Summary

DefaultHeapNode()
Empty constructor for serialization purposes.

DefaultHeapNode(K key, V value)
Creates a new heap node with the specified parameters.

Method Summary

int	compareTo(HeapNode<K,V> heapNode) Compares this HeapNode with the specified HeapNode.
K	getKey() Returns the key of this heap node.
V	getValue() Returns the value of this heap node.
void	setKey(K key) Sets the key of this HeapNode.
void	setValue(V value) Sets the value of this HeapNode.
String	toString() Returns a string representation of this heap node.

Methods inherited from class java.lang.Object

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

Field Detail

key

private K extends Comparable<K> key

The key of this heap node.

value

private V extends Identifiable value

The value of this heap node.

Constructor Detail

DefaultHeapNode

public DefaultHeapNode()

Empty constructor for serialization purposes.

DefaultHeapNode

public DefaultHeapNode(K key,
                       V value)

Creates a new heap node with the specified parameters.

Parameters:

key - the key of this heap node

value - the value of this heap node

Method Detail

compareTo

public int compareTo(HeapNode<K,V> heapNode)

Compares this HeapNode with the specified HeapNode.

Specified by:

compareTo in interface Comparable<HeapNode<K extends Comparable<K>,V extends Identifiable>>

Parameters:

heapNode - HeapNode 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.

getValue

public V getValue()

Returns the value of this heap node.

Specified by:

getValue in interface HeapNode<K extends Comparable<K>,V extends Identifiable>

Returns:

the value of this heap node

setValue

public void setValue(V value)

Sets the value of this HeapNode.

Specified by:

setValue in interface HeapNode<K extends Comparable<K>,V extends Identifiable>

Parameters:

value - the value to be set

getKey

public K getKey()

Returns the key of this heap node.

Specified by:

getKey in interface HeapNode<K extends Comparable<K>,V extends Identifiable>

Returns:

the key of this heap node

setKey

public void setKey(K key)

Sets the key of this HeapNode.

Specified by:

setKey in interface HeapNode<K extends Comparable<K>,V extends Identifiable>

Parameters:

key - the key to be set

toString

public String toString()

Returns a string representation of this heap node.

Overrides:

toString in class Object

Returns:

a string representation of this heap node