Example #1
0
 /**
  * Free a model's resources.
  *
  * @return  void
  * @access  public
  */
 public function __destruct()
 {
     if ($this->model) {
         librdf_free_model($this->model);
     }
 }
Example #2
0
            $nval = '(unbound)';
        }
        print "  " . librdf_query_results_get_binding_name($results, $i) . "=" . $nval . "\n";
    }
    print "}\n";
    librdf_query_results_next($results);
    $count++;
}
if ($results) {
    print "Returned {$count} results\n";
}
$results = null;
print "\nExecuting query again\n";
$results = librdf_model_query_execute($model, $query);
if ($results) {
    $str = librdf_query_results_to_string($results, null, null);
    print "Query results serialized to an XML string size " . strlen($str) . " bytes\n";
} else {
    print "Query results couldn't be serialized to an XML string\n";
}
$serializer = librdf_new_serializer($world, 'rdfxml', null, null);
print "Redland serializer created\n";
$base = librdf_new_uri($world, 'http://example.org/base.rdf');
print "Serializing...\n";
librdf_serializer_serialize_model_to_file($serializer, './test-out.rdf', $base, $model);
print "Done...\n";
librdf_free_serializer($serializer);
librdf_free_uri($base);
librdf_free_model($model);
librdf_free_storage($storage);
print "Done\n";
Example #3
0
 function CONSTRUCT($query, $base_uri = null)
 {
     if (is_null($base_uri)) {
         $base_uri = $this->_base_uri;
     }
     timings($query);
     $q = librdf_new_query($this->_world, 'sparql', null, $query, $base_uri);
     $r = librdf_model_query_execute($this->_model, $q);
     $r_stream = librdf_query_results_as_stream($r);
     $r_store = librdf_new_storage($this->_world, 'memory', '', null);
     $r_model = librdf_new_model($this->_world, $r_store, null);
     librdf_model_add_statements($r_model, $r_stream);
     librdf_free_stream($r_stream);
     $serializer = librdf_new_serializer($this->_world, 'json', null, null);
     $r = librdf_serializer_serialize_model_to_string($serializer, null, $r_model);
     librdf_free_serializer($serializer);
     $r = json_decode($r, 1);
     if (is_null($r)) {
         $r = array();
     }
     librdf_free_model($r_model);
     librdf_free_storage($r_store);
     librdf_free_query($q);
     timings();
     return $r;
 }