org.apache.jena.graph.compose

Class MultiUnion.MultiUnionStatisticsHandler

java.lang.Object

org.apache.jena.graph.compose.MultiUnion.MultiUnionStatisticsHandler

All Implemented Interfaces:

GraphStatisticsHandler

Enclosing class:

MultiUnion

public static class MultiUnion.MultiUnionStatisticsHandler
extends Object
implements GraphStatisticsHandler

Constructor Summary

Constructors

Constructor and Description
MultiUnionStatisticsHandler(MultiUnion mu)

Method Summary

Modifier and Type	Method and Description
long	getStatistic(Node S, Node P, Node O) Answer a good estimate of the number of triples that would match the pattern (S, P, O), or -1 if no good estimate is available.
MultiUnion	getUnion()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiUnionStatisticsHandler

public MultiUnionStatisticsHandler(MultiUnion mu)

Method Detail

getStatistic

public long getStatistic(Node S,
                         Node P,
                         Node O)

Description copied from interface: GraphStatisticsHandler

Answer a good estimate of the number of triples that would match the pattern (S, P, O), or -1 if no good estimate is available. The estimate is good until the graph is updated.

Specified by:

getStatistic in interface GraphStatisticsHandler

getUnion

public MultiUnion getUnion()