ibspan.tss.um.statistics
Class TmpStatisticsMap

java.lang.Object
  ibspan.tss.um.statistics.TmpStatisticsMap

public class TmpStatisticsMap
extends Object

The structure containing up-to-date statistics about number of user behaviours according to their type and objected concept. Each time, new events come, statistics should be updated by update() method.

Author:

Maciej Gawinecki

Constructor Summary

TmpStatisticsMap()

Method Summary

OntModel	exportStatistics(OntModel model) Exports data from temporary statistics map into model.
int	get(TmpStatisticsKey key) Returns the number of events matching the key.
static TmpStatisticsMap	importStatistics(OntModel model) Import statistics from the given model into map, where count is number of occurences of event described by Key.
void	update(List<ExtendedEvent> events) Updates statistics with given events.

Methods inherited from class java.lang.Object

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

Constructor Detail

TmpStatisticsMap

public TmpStatisticsMap()

Method Detail

importStatistics

public static TmpStatisticsMap importStatistics(OntModel model)
                                         throws com.ibm.adtech.jastor.JastorException

Import statistics from the given model into map, where count is number of occurences of event described by Key.

Parameters:

model - statistics model

Returns:

mapped statistics model

Throws:

com.ibm.adtech.jastor.JastorException

exportStatistics

public OntModel exportStatistics(OntModel model)
                          throws com.ibm.adtech.jastor.JastorException

Exports data from temporary statistics map into model. TODO: this method is not efficient, since it should export only statistics which were updated.

Parameters:

model - to model where statistics will be stored

Throws:

com.ibm.adtech.jastor.JastorException

get

public int get(TmpStatisticsKey key)

Returns the number of events matching the key. Matching is perfomed only against those fields of the key which are not equal to null.

Parameters:

key - key for filtering

Returns:

number of events

update

public void update(List<ExtendedEvent> events)

Updates statistics with given events.

Parameters:

events - list of events