public function addDisjunctiveTypeFilters(array $types, $id = null, array $options = array())
{
if (!$id) {
$id = 'type' . count($this->_filter);
} else {
if (isset($this->_filter[$id])) {
$this->removeFilter($id);
}
}
// Create UNION of all types
$union = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
foreach ($types as $type) {
$union->addElement(new Erfurt_Sparql_Query2_GroupGraphPattern(new Erfurt_Sparql_Query2_Triple($this->_resourceVar, new Erfurt_Sparql_Query2_IriRef(EF_RDF_TYPE), new Erfurt_Sparql_Query2_IriRef($type))));
}
// Add UNION element
$this->_resourceQuery->addElement($union);
// Remove default ?s ?p ?o pattern
$this->_allTriple->remove($this->_resourceQuery);
}
