net.fortytwo.flow.rdf.ranking
Class RDFSpreadVector

java.lang.Object
  net.fortytwo.flow.rdf.ranking.RDFSpreadVector

All Implemented Interfaces:

Approximation<WeightedVector<org.openrdf.model.Resource>,HandlerException>, WeightedVectorApproximation<org.openrdf.model.Resource,HandlerException>

public class RDFSpreadVector
extends Object
implements WeightedVectorApproximation<org.openrdf.model.Resource,HandlerException>

Author:

Joshua Shinavier (http://fortytwo.net)

Constructor Summary

RDFSpreadVector(WeightedVector<org.openrdf.model.Resource> vector, org.openrdf.model.URI[] inPredicates, org.openrdf.model.URI[] outPredicates, org.openrdf.sail.SailConnection sailConnection, org.openrdf.model.Resource... seeds)

Method Summary

int	compute(int cycles)
WeightedVector<org.openrdf.model.Resource>	currentResult()
void	stepRelated(org.openrdf.sail.SailConnection sc, org.openrdf.model.Resource resource, double weight, WeightedVector<org.openrdf.model.Resource> result, Queue<org.openrdf.model.Resource> resources)

Methods inherited from class java.lang.Object

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

Constructor Detail

RDFSpreadVector

public RDFSpreadVector(WeightedVector<org.openrdf.model.Resource> vector,
                       org.openrdf.model.URI[] inPredicates,
                       org.openrdf.model.URI[] outPredicates,
                       org.openrdf.sail.SailConnection sailConnection,
                       org.openrdf.model.Resource... seeds)

Method Detail

currentResult

public WeightedVector<org.openrdf.model.Resource> currentResult()

Specified by:

currentResult in interface Approximation<WeightedVector<org.openrdf.model.Resource>,HandlerException>

Specified by:

currentResult in interface WeightedVectorApproximation<org.openrdf.model.Resource,HandlerException>

compute

public int compute(int cycles)
            throws HandlerException

Specified by:

compute in interface Approximation<WeightedVector<org.openrdf.model.Resource>,HandlerException>

Parameters:

cycles - the number of cycles available

Returns:

the number of cycles actually consumed

Throws:

HandlerException

stepRelated

public void stepRelated(org.openrdf.sail.SailConnection sc,
                        org.openrdf.model.Resource resource,
                        double weight,
                        WeightedVector<org.openrdf.model.Resource> result,
                        Queue<org.openrdf.model.Resource> resources)
                 throws HandlerException

Throws:

HandlerException