ca.pfv.spmf.algorithms.frequentpatterns.zart

Class TZTableClosed

java.lang.Object

ca.pfv.spmf.algorithms.frequentpatterns.zart.TZTableClosed

public class TZTableClosed
extends java.lang.Object

This class represents the TZ table containing the closed itemsets and their generators, used by the Zart algorithm.

See Also:

AlgoZart

Field Summary

Fields

Modifier and Type	Field and Description
java.util.List<java.util.List<Itemset>>	levels This store the closed itemsets by size At position i, there are the list of closed itemsets of size i
java.util.Map<Itemset,java.util.List<Itemset>>	mapGenerators each entry of the following map is : key : a closed itemset values : the corresponding generator(s)

Constructor Summary

Constructors

Constructor and Description
TZTableClosed()

Method Summary

Modifier and Type	Method and Description
java.util.List<Itemset>	getLevelForZart(int i) Get the closed itemsets of a given size i.

Methods inherited from class java.lang.Object

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

Field Detail

levels

public final java.util.List<java.util.List<Itemset>> levels

This store the closed itemsets by size At position i, there are the list of closed itemsets of size i

mapGenerators

public java.util.Map<Itemset,java.util.List<Itemset>> mapGenerators

each entry of the following map is :
key : a closed itemset
values : the corresponding generator(s)

Constructor Detail

TZTableClosed

public TZTableClosed()

Method Detail

getLevelForZart

public java.util.List<Itemset> getLevelForZart(int i)

Get the closed itemsets of a given size i.

Parameters:

i - the size i.

Returns:

a list of itemsets