public function preloadEdges(ResultProxy $resultProxy)
{
$nodesIds = array();
foreach ($resultProxy as $node) {
$nodesIds[$node['id']] = true;
}
$edges = $this->connection->select('*')->from('edge')->where('[source] IN %in OR [target] IN %in', $ids = array_keys($nodesIds), $ids)->orderBy('type')->fetchAll();
$referencing = Result::createInstance(array(), 'edge', $this->connection, $this->mapper);
foreach ($edges as $edge) {
if (isset($nodesIds[$edge['source']]) || isset($nodesIds[$edge['target']])) {
$edge = $edge->toArray();
$edge['related_node'] = $edge['source'];
$referencing->addDataEntry($edge);
if ($edge['target'] !== $edge['source'] and $edge['target'] !== null) {
$edge['related_node'] = $edge['target'];
$referencing->addDataEntry($edge);
}
}
}
$referencing->cleanAddedAndRemovedMeta();
$resultProxy->setReferencingResult($referencing, 'edge', 'related_node');
}
