public_producer/vendor/hyperf/db-connection/src/Pool/DbPool.php

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://hyperf.wiki
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */

namespace Hyperf\DbConnection\Pool;

use Hyperf\Collection\Arr;
use Hyperf\Contract\ConfigInterface;
use Hyperf\Contract\ConnectionInterface;
use Hyperf\DbConnection\Connection;
use Hyperf\DbConnection\Frequency;
use Hyperf\Pool\Pool;
use InvalidArgumentException;
use Psr\Container\ContainerInterface;

use function Hyperf\Support\make;

class DbPool extends Pool
{
    protected array $config;

    public function __construct(ContainerInterface $container, protected string $name)
    {
        $config = $container->get(ConfigInterface::class);
        $key = sprintf('databases.%s', $this->name);
        if (! $config->has($key)) {
            throw new InvalidArgumentException(sprintf('config[%s] is not exist!', $key));
        }
        // Rewrite the `name` of the configuration item to ensure that the model query builder gets the right connection.
        $config->set("{$key}.name", $name);

        $this->config = $config->get($key);
        $options = Arr::get($this->config, 'pool', []);

        $this->frequency = make(Frequency::class, [$this]);
        parent::__construct($container, $options);
    }

    public function getName(): string
    {
        return $this->name;
    }

    protected function createConnection(): ConnectionInterface
    {
        return new Connection($this->container, $this, $this->config);
    }
}