com.hp.hpl.jena.reasoner.rdfsReasoner1
Class BaseFRule

java.lang.Object
  com.hp.hpl.jena.reasoner.rdfsReasoner1.BaseFRule

Direct Known Subclasses:

AssertFRule, BackchainFRule

public class BaseFRule

extends java.lang.Object

Base class for forward rules. Holds a head pattern (which will be matched against the triple store) and an array of body patterns. The body patterns can be instantiated following a successful head match and then processed be descendant class.

Version:

$Revision: 1.4 $ on $Date: 2003/04/15 21:22:35 $

Author:

Dave Reynolds

Constructor Summary

BaseFRule(java.lang.String spec)
Constructor

BaseFRule(TriplePattern head, TriplePattern[] body)
Constructor

Method Summary

void	bindAndFire(Triple value, RDFSInfGraph reasoner) Match the rule against a single triple.
TriplePattern	getHead() Returns the head.
static Triple	parseTriple(java.lang.String spec) Assistant method to parse a string into a triple
static java.util.List	parseTripleSequence(java.lang.String spec) Assistant method to parse a string into a sequence oftriple patterns.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseFRule

public BaseFRule(TriplePattern head,
                 TriplePattern[] body)

Constructor

BaseFRule

public BaseFRule(java.lang.String spec)

Constructor

Method Detail

bindAndFire

public void bindAndFire(Triple value,
                        RDFSInfGraph reasoner)

Match the rule against a single triple. Instantiating the variables then firing the consequent action.

parseTriple

public static Triple parseTriple(java.lang.String spec)

Assistant method to parse a string into a triple

parseTripleSequence

public static java.util.List parseTripleSequence(java.lang.String spec)

Assistant method to parse a string into a sequence oftriple patterns. The patterns may be separated by "<-", "->" or "|" strings.

Returns:

a list of TriplePatterns

getHead

public TriplePattern getHead()

Returns the head.

Returns:

TriplePattern