Resources/Elastic/Transport/NodePool/Selector/RoundRobin.php
Dennis Eichhorn 7e0153ea0f perm change
2023-03-25 22:32:11 +00:00

40 lines
1.2 KiB
PHP
Executable File

<?php
/**
* Elastic Transport
*
* @link https://github.com/elastic/elastic-transport-php
* @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co)
* @license https://opensource.org/licenses/MIT MIT License
*
* Licensed to Elasticsearch B.V under one or more agreements.
* Elasticsearch B.V licenses this file to you under the MIT License.
* See the LICENSE file in the project root for more information.
*/
declare(strict_types=1);
namespace Elastic\Transport\NodePool\Selector;
use Elastic\Transport\NodePool\Node;
use Elastic\Transport\Exception\NoNodeAvailableException;
class RoundRobin implements SelectorInterface
{
use SelectorTrait;
public function nextNode(): Node
{
if (empty($this->getNodes())) {
$className = substr(__CLASS__, strrpos(__CLASS__, '\\') + 1);
throw new NoNodeAvailableException(sprintf(
"No node available. Please use %s::setNodes() before calling %s::nextNode().",
$className,
$className
));
}
$node = current($this->nodes);
if (false === next($this->nodes)) {
reset($this->nodes);
}
return $node;
}
}