NAME
RDF::Trine::Iterator::Boolean - Iterator class for boolean query results
VERSION
This document describes RDF::Trine::Iterator::Boolean version 1.019
SYNOPSIS
use RDF::Trine::Iterator::Boolean;
my $iterator = RDF::Trine::Iterator::Boolean->new( [1] );
my $bool = $iterator->get_boolean;
if ($bool) {
print "Yes.\n";
}METHODS
Beyond the methods documented below, this class inherits methods from the RDF::Trine::Iterator class.
new ( \@results, %args )new ( \&results, %args )-
Returns a new SPARQL Result interator object. Results must be either an reference to an array containing results or a CODE reference that acts as an iterator, returning successive items when called, and returning undef when the iterator is exhausted.
$type should be one of: bindings, boolean, graph.
is_boolean-
Returns true if the underlying result is a boolean value.
as_string ( $max_size [, \$count] )-
Returns a string serialization of the stream data.
as_xml ( $max_size )-
Returns an XML serialization of the stream data.
print_xml ( $fh, $max_size )-
Prints an XML serialization of the stream data to the filehandle $fh.
as_json ( $max_size )-
Returns a JSON serialization of the stream data.
construct_args-
Returns the arguments necessary to pass to the stream constructor _new to re-create this stream (assuming the same closure as the first
DEPENDENCIES
BUGS
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/perlrdf/issues.
AUTHOR
Gregory Todd Williams <gwilliams@cpan.org>
COPYRIGHT
Copyright (c) 2006-2012 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.