| | |
| | | public class OssFactory { |
| | | |
| | | private static final Map<String, OssClient> CLIENT_CACHE = new ConcurrentHashMap<>(); |
| | | |
| | | private static final ReentrantLock lock = new ReentrantLock(); |
| | | private static final ReentrantLock LOCK = new ReentrantLock(); |
| | | |
| | | /** |
| | | * 获取默认实例 |
| | |
| | | OssClient client = CLIENT_CACHE.get(key); |
| | | // 客户端不存在或配置不相同则重新构建 |
| | | if (client == null || !client.checkPropertiesSame(properties)) { |
| | | lock.lock(); |
| | | LOCK.lock(); |
| | | try { |
| | | client = CLIENT_CACHE.get(key); |
| | | if (client == null || !client.checkPropertiesSame(properties)) { |
| | |
| | | return CLIENT_CACHE.get(key); |
| | | } |
| | | } finally { |
| | | lock.unlock(); |
| | | LOCK.unlock(); |
| | | } |
| | | } |
| | | return client; |