/**
* Build the whole cypher query to insert at once all new nodes and relationships
*
* @param MapInterface<IdentityInterface, object> $entities
*
* @return QueryInterface
*/
private function queryFor(MapInterface $entities) : QueryInterface
{
$query = new Query();
$this->variables = new Set('string');
$partitions = $entities->partition(function (IdentityInterface $identity, $entity) {
$meta = $this->metadatas->get(get_class($entity));
return $meta instanceof Aggregate;
});
$partitions->get(true)->foreach(function (IdentityInterface $identity, $entity) use(&$query) {
$query = $this->createAggregate($identity, $entity, $query);
});
$partitions->get(false)->foreach(function (IdentityInterface $identity, $entity) use(&$query) {
$query = $this->createRelationship($identity, $entity, $query);
});
$this->variables = null;
return $query;
}
