public function store()
{
$model = $this->build();
$context = $this->Agent->getContextNode($this->getName());
$store = MwRdf::StoredModel();
$stream = librdf_model_as_stream($model->getModel());
librdf_model_context_add_statements($store->getModel(), $context->getNode(), $stream);
librdf_free_stream($stream);
return true;
}
/**
* Discard the current statement iterator and create a new one.
*
* @return void
* @access private
*/
private function resetIterator()
{
if ($this->iterator === NULL) {
$this->iterator = new LibRDF_StreamIterator(librdf_model_as_stream($this->model), $this);
}
}
public function retrieveModel($par)
{
if (gettype($par) == 'string') {
$par = array($par);
}
if (!gettype($par) == 'array') {
throw new Exception('retrieveModel takes either a model ' . 'name string or an array of modelnames');
}
$model = MwRdf::Model();
foreach ($par as $name) {
$mm = $this->ModelMakers[$name];
### TODO Retrieve from Cache if it's there
$sub_model = $mm->retrieve($name);
### TODO Cache the sub_model
$stream = librdf_model_as_stream($sub_model->getModel());
librdf_model_add_statements($model->getModel(), $stream);
librdf_free_stream($stream);
$sub_model->rewind();
}
return $model;
}
function to_jsonld_string()
{
$r = array();
$stream = librdf_model_as_stream($this->_model);
while (!librdf_stream_end($stream)) {
$elt = $this->_statement(librdf_stream_get_object($stream));
$d = new \stdClass();
$d->{'@subject'} = $elt[0]['value'];
if ($elt[2]['type'] == 'literal') {
if (isset($elt[2]['datatype'])) {
$d->{$elt[1]['value']} = (object) array('@literal' => $elt[2]['value'], '@datatype' => $elt[2]['datatype']);
} else {
$d->{$elt[1]['value']} = $elt[2]['value'];
}
} else {
$d->{$elt[1]['value']} = (object) array('@iri' => $elt[2]['value']);
}
$r[] = $d;
librdf_stream_next($stream);
}
librdf_free_stream($stream);
return str_replace('\\/', '/', json_encode(jsonld_normalize($r)));
}
