public function slice(ExecutionContext $execution, $metadata)
{
$offset = $execution->getOffset();
$limit = $execution->getLimit();
if (method_exists($this->processor, 'slice')) {
return $this->processor->slice($offset, $limit);
}
$this->seek($offset);
$data = [];
for ($i = 0; $i < $limit && $this->valid(); $i++) {
$data[] = $this->extract($this->createContext($execution, $metadata));
}
return $data;
}
