ca.pfv.spmf.algorithms.frequentpatterns.lcm

Class Transaction

java.lang.Object

ca.pfv.spmf.algorithms.frequentpatterns.lcm.Transaction

public class Transaction
extends java.lang.Object

This class has an abstraction of a dataset transaction.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Integer[]	temp

Constructor Summary

Constructors

Constructor and Description
Transaction(java.lang.Integer[] items)
Transaction(Transaction transaction, int offset)

Method Summary

Modifier and Type	Method and Description
int	containsByBinarySearch(java.lang.Integer item) Check if an item appears in this transaction
boolean	containsByBinarySearchOriginalTransaction(java.lang.Integer item)
java.lang.Integer[]	getItems()
void	removeInfrequentItems(java.util.List<Transaction>[] buckets, int minsupRelative)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

temp

public static java.lang.Integer[] temp

Constructor Detail

Transaction

public Transaction(java.lang.Integer[] items)

Transaction

public Transaction(Transaction transaction,
                   int offset)

Method Detail

getItems

public java.lang.Integer[] getItems()

containsByBinarySearch

public int containsByBinarySearch(java.lang.Integer item)

Check if an item appears in this transaction

Parameters:

item - the item

Returns:

true if it appears. Otherwise, false.

containsByBinarySearchOriginalTransaction

public boolean containsByBinarySearchOriginalTransaction(java.lang.Integer item)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

removeInfrequentItems

public void removeInfrequentItems(java.util.List<Transaction>[] buckets,
                                  int minsupRelative)