42 lines
1.1 KiB
PHP
42 lines
1.1 KiB
PHP
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<?php
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namespace Http\Client\Common\HttpClientPool;
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use Http\Client\Common\Exception\HttpClientNotFoundException;
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use Http\Client\Common\HttpClientPool;
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/**
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* RoundRobinClientPool will choose the next client in the pool.
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*
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* @author Joel Wurtz <joel.wurtz@gmail.com>
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*/
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final class RoundRobinClientPool extends HttpClientPool
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{
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/**
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* {@inheritdoc}
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*/
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protected function chooseHttpClient()
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{
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$last = current($this->clientPool);
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do {
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$client = next($this->clientPool);
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if (false === $client) {
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$client = reset($this->clientPool);
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if (false === $client) {
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throw new HttpClientNotFoundException('Cannot choose a http client as there is no one present in the pool');
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}
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}
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// Case when there is only one and the last one has been disabled
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if ($last === $client && $client->isDisabled()) {
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throw new HttpClientNotFoundException('Cannot choose a http client as there is no one enabled in the pool');
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}
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} while ($client->isDisabled());
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return $client;
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}
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}
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