ca.pfv.spmf.tools.dataset_generator

Class SequenceDatabaseGenerator

java.lang.Object

ca.pfv.spmf.tools.dataset_generator.SequenceDatabaseGenerator

public class SequenceDatabaseGenerator
extends java.lang.Object

This class is a random sequence database generator such that the user provides some parameters and this class generate a sequence database that is written to the disk.

Constructor Summary

Constructors

Constructor and Description
SequenceDatabaseGenerator()

Method Summary

Modifier and Type	Method and Description
void	generateDatabase(int sequenceCount, int maxDistinctItems, int itemCountByItemset, int itemsetCountBySequence, java.lang.String output, boolean withTimestamps) This method randomly generates a sequence database according to parameters provided.

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceDatabaseGenerator

public SequenceDatabaseGenerator()

Method Detail

generateDatabase

public void generateDatabase(int sequenceCount,
                             int maxDistinctItems,
                             int itemCountByItemset,
                             int itemsetCountBySequence,
                             java.lang.String output,
                             boolean withTimestamps)
                      throws java.io.IOException

This method randomly generates a sequence database according to parameters provided.

Parameters:

sequenceCount - the number of sequences required

maxDistinctItems - the maximum number of distinct items

itemCountByItemset - the number of items by itemset

itemsetCountBySequence - the number of itemsets by sequence

output - the file path for writting the generated database

withTimestamps - if true, this database will contain timestamps, otherwise not

Throws:

java.io.IOException