public function addLink($predicate, Erfurt_Sparql_Query2_Abstraction_ClassNode $target)
{
if (is_string($predicate)) {
$predicate = new Erfurt_Sparql_Query2_IriRef($predicate);
}
if (!$predicate instanceof Erfurt_Sparql_Query2_IriRef) {
throw new RuntimeException('Argument 1 passed to Erfurt_Sparql_Query2_Abstraction_ClassNode::addFilter must be an instance of Erfurt_Sparql_Query2_IriRef instance of ' . typeHelper($predicate) . ' given');
}
$this->outgoinglinks[] = new Erfurt_Sparql_Query2_Abstraction_Link($predicate, $target);
$this->query->getWhere()->addElement(new Erfurt_Sparql_Query2_Triple($this->classVar, $predicate, new Erfurt_Sparql_Query2_Var($target->getClass()->getIri())));
return $this;
//for chaining
}
