LeastUsedClientPool.php
3 years ago
RandomClientPool.php
3 years ago
RoundRobinClientPool.php
3 years ago
RoundRobinClientPool.php
42 lines
| 1 | <?php |
| 2 | |
| 3 | namespace AmeliaHttp\Client\Common\HttpClientPool; |
| 4 | |
| 5 | use AmeliaHttp\Client\Common\Exception\HttpClientNotFoundException; |
| 6 | use AmeliaHttp\Client\Common\HttpClientPool; |
| 7 | |
| 8 | /** |
| 9 | * RoundRobinClientPool will choose the next client in the pool. |
| 10 | * |
| 11 | * @author Joel Wurtz <joel.wurtz@gmail.com> |
| 12 | */ |
| 13 | final class RoundRobinClientPool extends HttpClientPool |
| 14 | { |
| 15 | /** |
| 16 | * {@inheritdoc} |
| 17 | */ |
| 18 | protected function chooseHttpClient() |
| 19 | { |
| 20 | $last = current($this->clientPool); |
| 21 | |
| 22 | do { |
| 23 | $client = next($this->clientPool); |
| 24 | |
| 25 | if (false === $client) { |
| 26 | $client = reset($this->clientPool); |
| 27 | |
| 28 | if (false === $client) { |
| 29 | throw new HttpClientNotFoundException('Cannot choose a http client as there is no one present in the pool'); |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | // Case when there is only one and the last one has been disabled |
| 34 | if ($last === $client && $client->isDisabled()) { |
| 35 | throw new HttpClientNotFoundException('Cannot choose a http client as there is no one enabled in the pool'); |
| 36 | } |
| 37 | } while ($client->isDisabled()); |
| 38 | |
| 39 | return $client; |
| 40 | } |
| 41 | } |
| 42 |