keel.Algorithms.Subgroup_Discovery.SDMap.FPTree

Class TtreeNode

java.lang.Object

keel.Algorithms.Subgroup_Discovery.SDMap.FPTree.TtreeNode

public class TtreeNode
extends java.lang.Object

Methods concerned with Ttree node structure. Arrays of these structures are used to store nodes at the same level in any sub-branch of the T-tree

Since:

JDK1.6

Version:

1.0

Author:

Written by Frans Coenen (University of Liverpool) 09/01/2003, Modified by Frans Coenen (University of Liverpool) 03/02/2005, Modified by Nicola Flugy Papa (Politecnico di Milano) 24/03/2009

Field Summary

Fields

Modifier and Type	Field and Description
TtreeNode[]	childRef A reference variable to the child (if any) of the node.
static int	numberOfNodes The number of nodes in the T-tree.
int	support The support associate with the itemset represented by the node.

Constructor Summary

Constructors

Constructor and Description
TtreeNode() Default constructor
TtreeNode(int sup) One argument constructor.

Method Summary

Modifier and Type	Method and Description
static int	getNumberOfNodes() It returns the number of nodes.

Methods inherited from class java.lang.Object

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

Field Detail

support

public int support

The support associate with the itemset represented by the node.

childRef

public TtreeNode[] childRef

A reference variable to the child (if any) of the node.

numberOfNodes

public static int numberOfNodes

The number of nodes in the T-tree.

Constructor Detail

TtreeNode

public TtreeNode()

Default constructor

TtreeNode

public TtreeNode(int sup)

One argument constructor.

Parameters:

sup - the support value to be included in the structure.

Method Detail

getNumberOfNodes

public static int getNumberOfNodes()

It returns the number of nodes.

Returns:

the number of nodes.