it.unibz.inf.ontop.utils

Class VirtualABoxStatistics

java.lang.Object

it.unibz.inf.ontop.utils.VirtualABoxStatistics

public class VirtualABoxStatistics
extends Object

A utility class about the ABox materialization.

Constructor Summary

Constructors

Constructor and Description
VirtualABoxStatistics(OBDAModel obdaModel)

Method Summary

Modifier and Type	Method and Description
HashMap<String,HashMap<String,Integer>>	getStatistics() Returns the complete statistics from the OBDA model.
HashMap<String,Integer>	getStatistics(String datasourceId) Returns the triples counts from all the mappings that associate to a certain data source.
int	getStatistics(String datasourceId, String mappingId) Returns one triple count from a particular mapping.
int	getTotalTriples() Gets the total number of triples from all the data sources and mappings.
void	refresh()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualABoxStatistics

public VirtualABoxStatistics(OBDAModel obdaModel)

Method Detail

getStatistics

public HashMap<String,HashMap<String,Integer>> getStatistics()

Returns the complete statistics from the OBDA model.

Returns:

The complete statistics.

getStatistics

public HashMap<String,Integer> getStatistics(String datasourceId)

Returns the triples counts from all the mappings that associate to a certain data source.

Parameters:

datasourceId - The data source identifier.

Returns:

A data statistics.

getStatistics

public int getStatistics(String datasourceId,
                         String mappingId)

Returns one triple count from a particular mapping.

Parameters:

datasourceId - The data source identifier.

mappingId - The mapping identifier.

Returns:

The number of triples.

getTotalTriples

public int getTotalTriples()
                    throws Exception

Gets the total number of triples from all the data sources and mappings.

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object

refresh

public void refresh()