NAME

RDFStore::RDFNode - An RDF graph node

SYNOPSIS

package myNode;

use RDFStore::RDFNode;
@myNode::ISA = qw ( RDFStore::RDFNode );

sub new {
	my $self = $_[0]->SUPER::new();
	$self->{mylabel} = $_[1];
	bless $self,$_[0];
};

sub getLabel {
	return $_[0]->{mylabel};
};

package main;

my $node = new myNode('My generic node');
my $node1 = new myNode('Your generic node');

print $node->toString." is ";
print "not "
	unless $node->equals($node1);
print " equal to ".$node1->toString."\n";

DESCRIPTION

RDFStore::RDFNode is the base abstract class for RDFStore::Literal and RDFStore::Resource.

METHODS

new

This is a class method, the constructor for RDFStore::RDFNode.

getLabel

Return the label of the RDFNode as perl scalar

toString

Return the textual represention of the RDFNode

getDigest

Return a Cryptographic Digest (SHA-1 by default) of the node label - see RDFStore::Digest::Digestable(3)

equals

Compare two RDFNodes.

SEE ALSO

RDFStore::Literal(3) RDFStore::Resource(3) RDFStore(3) RDFStore::Digest::Digestable(3)

ABOUT RDF

http://www.w3.org/TR/rdf-primer/

http://www.w3.org/TR/rdf-mt

http://www.w3.org/TR/rdf-syntax-grammar/

http://www.w3.org/TR/rdf-schema/

http://www.w3.org/TR/1999/REC-rdf-syntax-19990222 (obsolete)

AUTHOR

Alberto Reggiori <areggiori@webweaving.org>