/**
* Builds the SPARQL query
*/
private function _buildQueries()
{
$query = new Erfurt_Sparql_Query2();
$uri = new Erfurt_Sparql_Query2_IriRef($this->_uri);
$predVar = new Erfurt_Sparql_Query2_Var('predicate');
$objVar = new Erfurt_Sparql_Query2_Var('object');
$query->addTriple($uri, $predVar, $objVar);
$query->addFilter(new Erfurt_Sparql_Query2_UnaryExpressionNot(new Erfurt_Sparql_Query2_isBlank($objVar)));
if (!empty($this->_ignoredPredicates)) {
$or = new Erfurt_Sparql_Query2_ConditionalAndExpression();
$filter = new Erfurt_Sparql_Query2_Filter($or);
foreach ($this->_ignoredPredicates as $ignored) {
$or->addElement(new Erfurt_Sparql_Query2_UnaryExpressionNot(new Erfurt_Sparql_Query2_sameTerm($predVar, new Erfurt_Sparql_Query2_IriRef($ignored))));
}
$query->getWhere()->addElement($filter);
}
$query->setDistinct(true)->addProjectionVar($predVar)->addProjectionVar($objVar)->getOrder()->add($predVar);
$queries = array();
$closure = Erfurt_App::getInstance()->getStore()->getImportsClosure($this->_model->getModelUri(), true);
$queryGraphs = array_merge(array($this->_graph), $closure);
foreach ($queryGraphs as $currentGraph) {
$query->setFroms(array($currentGraph));
$queries[$currentGraph] = clone $query;
}
return $queries;
}