ca.pfv.spmf.algorithms.frequentpatterns.two_phase

Class UtilityTransactionDatabaseTP

java.lang.Object

ca.pfv.spmf.algorithms.frequentpatterns.two_phase.UtilityTransactionDatabaseTP

public class UtilityTransactionDatabaseTP
extends java.lang.Object

This class represents a transaction database with utility values, as used by the Two-Phase algorithm for high utility itemset mining.

See Also:

AlgoTwoPhase, TransactionTP

Constructor Summary

Constructors

Constructor and Description
UtilityTransactionDatabaseTP()

Method Summary

Modifier and Type	Method and Description
void	addTransaction(TransactionTP t) Add a transaction.
java.util.Set<java.lang.Integer>	getAllItems() Get the set of items in this database.
java.util.List<TransactionTP>	getTransactions() Get the list of transactions.
void	loadFile(java.lang.String path) Load a transaction database from a file.
void	printDatabase() Print this database to System.out.
int	size() Get the number of transactions.

Methods inherited from class java.lang.Object

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

Constructor Detail

UtilityTransactionDatabaseTP

public UtilityTransactionDatabaseTP()

Method Detail

addTransaction

public void addTransaction(TransactionTP t)

Add a transaction.

Parameters:

t - the transaction to be added

loadFile

public void loadFile(java.lang.String path)
              throws java.io.IOException

Load a transaction database from a file.

Parameters:

path - the path of the file

Throws:

java.io.IOException - exception if error while reading the file.

printDatabase

public void printDatabase()

Print this database to System.out.

size

public int size()

Get the number of transactions.

Returns:

a int

getTransactions

public java.util.List<TransactionTP> getTransactions()

Get the list of transactions.

Returns:

the list of Transactions.

getAllItems

public java.util.Set<java.lang.Integer> getAllItems()

Get the set of items in this database.

Returns:

a Set of Integers