public function next()
{
$this->event_snapshots->next();
if (!$this->event_snapshots->valid() && $this->has_more_chunks()) {
$this->fetch();
}
$this->streamed_count = $this->streamed_count->increment();
}
public function run()
{
while ($this->can_upgrade()) {
$function = $this->get_function_name();
if (!method_exists($this, $function)) {
throw new \Exception('An upgrade handler could not be found.');
}
$this->{$function}($this->schema);
$this->version = $this->version->increment();
}
}
