org.aksw.rdfunit.statistics

Class DatasetStatistics

java.lang.Object

org.aksw.rdfunit.statistics.DatasetStatistics

Direct Known Subclasses:

DatasetStatisticsAllIris, DatasetStatisticsClasses, DatasetStatisticsClassesCount, DatasetStatisticsProperties, DatasetStatisticsPropertiesCount

public abstract class DatasetStatistics
extends Object

Generates property and class statistics for a QEF

Since:

6 /16/14 1:27 PM

Version:

$Id : $Id

Author:

Dimitris Kontokostas

Constructor Summary

Constructors

Constructor and Description
DatasetStatistics() Instantiates a new Dataset statistics.

Method Summary

Methods

Modifier and Type	Method and Description
Map<String,Integer>	getStatisticsMap(org.aksw.jena_sparql_api.core.QueryExecutionFactory qef) Returns a map with statistics according to the current execution query.
protected abstract String	getStatisticsQuery() Gets statistics query.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasetStatistics

public DatasetStatistics()

Instantiates a new Dataset statistics.

Method Detail

getStatisticsQuery

protected abstract String getStatisticsQuery()

Gets statistics query.

Returns:

the statistics query

getStatisticsMap

public Map<String,Integer> getStatisticsMap(org.aksw.jena_sparql_api.core.QueryExecutionFactory qef)

Returns a map with statistics according to the current execution query.

Parameters:

qef - the qef

Returns:

a Map, if doGetCounts is false, the number defaults to 0