public function __construct(ObjectSchema $object_schema, $id = null, Neo4j\PropertyContainer $client_object = null)
{
$this->schema = $object_schema;
$this->client = $object_schema->getClient();
if ($client_object) {
if ($client_object->getId() !== $id) {
throw new \InvalidArgumentException('IDs do not match.');
}
$this->client_object = $client_object;
$this->id = $id;
} else {
if (is_int($id) or ctype_digit($id)) {
$this->id = (int) $id;
} else {
if ($id) {
throw new \InvalidArgumentException('Invalid ID.');
}
}
}
}
/**
* Determine the cache key used to retrieve the given entity from the cache
*
* @param PropertyContainer $entity
* @return string
*/
protected function getEntityCacheKey(PropertyContainer $entity)
{
if ($entity instanceof Node) {
return 'node-' . $entity->getId();
} else {
if ($entity instanceof Relationship) {
return 'relationship-' . $entity->getId();
}
}
throw new Exception('Unknown entity type: ' . get_class($entity));
}