RDF::Trine::Iterator::Boolean - Stream (iterator) class for boolean query results.
This document describes RDF::Trine::Iterator::Boolean version 0.111
use RDF::Trine::Iterator::Boolean;
my $iterator = RDF::Trine::Iterator::Boolean->new( [1] );
if ($iterator->get_boolean) {
# ...
}
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_booleanReturns true if the underlying result is a boolean value.
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_argsReturns the arguments necessary to pass to the stream constructor _new to re-create this stream (assuming the same closure as the first
Gregory Todd Williams <gwilliams@cpan.org>
Copyright (c) 2006-2009 Gregory Todd Williams. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
