RDF::Trine::Iterator::Boolean3pm
Iterator class for boolean query results
Usage
use RDF::Trine::Iterator::Boolean;my $iterator = RDF::Trine::Iterator::Boolean->new( [1] );my $bool = $iterator->get_boolean;if ($bool) {print "Yes.\n";}
Version
This document describes RDF::Trine::Iterator::Boolean version 1.019
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.
$typeshould 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
JSON
Scalar::Util
Releases
7 releases since Debian 7 (Wheezy); the text changed 5 times.