com.bigdata.rdf.rules
Class AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask

java.lang.Object
  com.bigdata.rdf.rules.AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask

All Implemented Interfaces:

Callable<Set<Long>>

Enclosing class:

AbstractRuleFastClosure_3_5_6_7_9

public static class AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask
extends Object
implements Callable<Set<Long>>

Computes the set of possible sub properties of rdfs:subPropertyOf (P). This is used by step 2 in RDFSVocabulary#fastForwardClosure().

Version:

$Id: AbstractRuleFastClosure_3_5_6_7_9.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Field Summary

protected static org.apache.log4j.Logger

log

Constructor Summary

AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask(IRelation<ISPO> view, IConstant<Long> rdfsSubPropertyOf)

Method Summary

Set<Long>	call()
Set<Long>	getSubProperties() Compute the closure.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.log4j.Logger log

Constructor Detail

AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask

public AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask(IRelation<ISPO> view,
                                                                IConstant<Long> rdfsSubPropertyOf)

Method Detail

call

public Set<Long> call()

Specified by:

call in interface Callable<Set<Long>>

getSubProperties

public Set<Long> getSubProperties()

Compute the closure.

Returns:

A set containing the term identifiers for the members of P.