Class connection

Connection.php

<?php
namespace FiremonPHP\Database;


final class Connection implements ConnectionInterface
{
    /**
     * @var string
     */
    private $_alias;

    /**
     * @var \MongoDB\Driver\Manager
     */
    private $_manager;

    public function __construct(string $urlCon, string $alias, array $optionsCon = [])
    {
        $this->_manager = new \MongoDB\Driver\Manager($urlCon, $optionsCon);
        $this->_alias = $alias;
    }

    /**
     * @param string $type
     * @param string $collectionName
     * @param $query
     * @return \MongoDB\Driver\Cursor|\MongoDB\Driver\WriteResult
     * @throws \ErrorException
     */
    public function executeQuery(string $type, string $collectionName, $query)
    {
        if ($type === 'Read') {
            return $this->_read($collectionName, $query);
        } elseif ($type === 'Write') {
            return $this->_write($collectionName, $query);
        } else {
            throw new \ErrorException('Type of query not defined!');
        }
    }

    /**
     * @param string $collectionName
     * @param \MongoDB\Driver\BulkWrite $bulkWrite
     * @return \MongoDB\Driver\WriteResult
     */
    private function _write(string $collectionName, \MongoDB\Driver\BulkWrite $bulkWrite)
    {
        $namespace = $this->_alias.'.'.$collectionName;
        return $this->_manager->executeBulkWrite($namespace, $bulkWrite);
    }

    /**
     * @param string $collectionName
     * @param \MongoDB\Driver\Query $query
     * @return \MongoDB\Driver\Cursor
     */
    private function _read(string $collectionName, \MongoDB\Driver\Query $query)
    {
        $namespace = $this->_alias.'.'.$collectionName;
        return $this->_manager->executeQuery( $namespace, $query);
    }

}