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RDF::Redland::StatemenUser Contributed Perl DocumentRDF::Redland::Statement(3)

NAME
       RDF::Redland::Statement - Redland RDF Statement Class

SYNOPSIS
	 use RDF::Redland;
	 my $statement1=new RDF::Redland::Statement($statement);
	 my $statement2=new RDF::Redland::Statement($subject,$predicate,$object);
	 ...

	 if($statement->subject->equals($node)) {
	   ...
	 }

DESCRIPTION
       Manipulate RDF statements which comprise three RDF::Redland::Node
       objects.	 Also used for partial statements which can have empty parts
       and are used for matching statements in statement queries of the model
       - see the RDF::Redland::Model.

CONSTRUCTORS
       new NODE NODE NODE|STATEMENT
	   Create a new statement from nodes or copy an existing statement.

	   If three NODEs are given, make a new statement from them.  Each
	   Node can be a Redland::RDF:Node, a Redland::RDF::URI, a perl URI or
	   a string literal.  Otherwise STATEMENT must be an existing
	   statement to copy.

       clone
	   Copy a RDF::Redland::Statement.

METHODS
       subject [SUBJECT]
	   Get/set the statement subject.  When a RDF::Redland::Node SUBJECT
	   is given, sets the subject of the statement, otherwise returns a
	   reference to the statement RDF::Redland::Node subject.

       predicate [PREDICATE]
	   Get/set the statement predicate.  When RDF::Redland::Node PREDICATE
	   is given, sets the predicate of the statement, otherwise returns a
	   reference to the statement RDF::Redland::Node predicate.

       object [OBJECT]
	   Get/set the statement object.  When RDF::Redland::Node OBJECT is
	   given, sets the object of the statement, otherwise returns a
	   reference to the statement RDF::Redland::Node object.

       as_string
	   Return the statement formatted as a string (UTF-8 encoded).

       equals STATEMENT
	   Return non zero if this statement is equal to STATEMENT

OLD METHODS
       new_from_nodes SUBJECT PREDICATE OBJECT
	   Create a new RDF::Redland::Statement with the given
	   RDF::Redland::Node objects as parts (or undef when empty for a
	   partial statement).	Use instead:

	     $a=new RDF::Redland::Statement($subject, $predicate, $object);

       new_from_statement STATEMENT
	   Create a new RDF::Redland::Statement object from
	   RDF::Redland::Statement STATEMENT (copy constructor).  Use instead:

	     $s=$old_statement->clone;

SEE ALSO
       RDF::Redland::Node

AUTHOR
       Dave Beckett - http://www.dajobe.org/

perl v5.14.1			  2011-02-04	    RDF::Redland::Statement(3)

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