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商品库存工厂类 Class Factory
<?php
namespace app\api\service\order\source;
use app\common\service\Basics;
use app\common\enum\order\OrderSource as OrderSourceEnum;
/**
* 商品库存工厂类
* Class Factory
* @package app\common\service\stock
*/
class Factory extends Basics
{
// 订单来源的结算台服务类
private static $class = [
OrderSourceEnum::MASTER => 'Master',
OrderSourceEnum::BARGAIN => 'Bargain',
OrderSourceEnum::SHARP => 'Sharp',
];
/**
* 根据订单来源获取商品库存类
* @param int $orderSource
* @return mixed
*/
public static function getFactory($orderSource = OrderSourceEnum::MASTER)
{
static $classObj = [];
if (!isset($classObj[$orderSource])) {
$className = __NAMESPACE__ . '\\' . static::$class[$orderSource];
$classObj[$orderSource] = new $className();
}
return $classObj[$orderSource];
}
}