protected function _fetchDescription($maxDepth)
{
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?p ?o')->setWherePart(sprintf('{<%s> ?p ?o . }', $this->getIri()));
$description = array();
$result = null;
if ($this->_model) {
$result = $this->_model->sparqlQuery($query, array('result_format' => 'extended'));
} else {
$result = Erfurt_App::getInstance()->getStore()->sparqlQuery($query, array('result_format' => 'extended'));
}
if ($maxDepth > 0 && $result) {
foreach ($result['results']['bindings'] as $row) {
$property = $row['p']['value'];
$this->_descriptionResource($property);
$currentValue = array('type' => $row['o']['type'], 'value' => $row['o']['value']);
if ($row['o']['type'] == 'uri') {
$this->_descriptionResource($row['o']['value']);
} else {
if ($row['o']['type'] == 'typed-literal') {
$currentValue['type'] = 'literal';
$currentValue['datatype'] = $row['o']['datatype'];
} else {
if (isset($row['o']['xml:lang'])) {
$currentValue['lang'] = $row['o']['xml:lang'];
}
}
}
if (!array_key_exists($property, $description)) {
$description[$property] = array();
}
array_push($description[$property], $currentValue);
if ($row['o']['type'] === 'bnode') {
$nodeId = $row['o']['value'];
$bNode = self::initWithBlankNode($nodeId, $this->_model);
$nodeKey = sprintf('_:%s', $nodeId);
$description[$nodeKey] = $bNode->getDescription($maxDepth - 1);
}
}
}
return array($this->getIri() => $description);
}
/**
* Load Naming Scheme from Model or Ini
*
* @param $resource String|Array eigther the resource URI or an array with its properties
*
* @return Array
*/
private function loadNamingSchema($resource)
{
if (isset($this->_config->namingSchemeProperty)) {
$schemeProperty = $this->_config->namingSchemeProperty;
// set the query result as empty array so we can be sure its an array
$result = array();
if (is_string($resource)) {
$resourceUri = $resource;
$query = 'SELECT ?scheme' . PHP_EOL;
$query .= 'WHERE {' . PHP_EOL;
$query .= ' <' . $resourceUri . '> a ?type .' . PHP_EOL;
$query .= ' ?type <' . $schemeProperty . '> ?scheme .' . PHP_EOL;
$query .= '}' . PHP_EOL;
$result = $this->_model->sparqlQuery($query);
} else {
if (is_array($resource)) {
$resourceProps = $resource;
$types = $resourceProps[$this->_config->property->type];
foreach ($types as $type) {
if ($type['type'] == 'uri') {
$query = 'SELECT ?scheme' . PHP_EOL;
$query .= 'WHERE {' . PHP_EOL;
$query .= ' <' . $type['value'] . '> <' . $schemeProperty . '> ?scheme .' . PHP_EOL;
$query .= '}' . PHP_EOL;
$result = $this->_model->sparqlQuery($query);
if (count($result) > 0) {
// break with the first type which has a sheme defined
break;
}
}
}
}
}
if (count($result) > 0) {
$scheme = $result[0]['scheme'];
return explode('/', $scheme);
}
}
return explode('/', $this->_config->defaultNamingScheme);
}
