ca.pfv.spmf.tools.dataset_stats

Class TransactionStatsGenerator

java.lang.Object

ca.pfv.spmf.tools.dataset_stats.TransactionStatsGenerator

public class TransactionStatsGenerator
extends java.lang.Object

This class read a transaction database and calculates statistics about this transactions database, then it prints the statistics to the console.

In this version this class reads the database into memory before calculating the statistics. It could be optimized to calculate statistics without reading the database in memory because a single pass is required. It was done like that because the code is simpler and easier to understand and performance is not an issue for this kind of tasks.

Constructor Summary

Constructors

Constructor and Description
TransactionStatsGenerator()

Method Summary

Modifier and Type	Method and Description
void	getStats(java.lang.String path) This method generates statistics for a transaction database (a file)

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionStatsGenerator

public TransactionStatsGenerator()

Method Detail

getStats

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

This method generates statistics for a transaction database (a file)

Parameters:

path - the path to the file

Throws:

java.io.IOException - exception if there is a problem while reading the file.