| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.shardingsphere.elasticjob.cloud.reg.base; |
| |
| /** |
| * 注册中心. |
| * |
| * @author zhangliang |
| */ |
| public interface RegistryCenter { |
| |
| /** |
| * 初始化注册中心. |
| */ |
| void init(); |
| |
| /** |
| * 关闭注册中心. |
| */ |
| void close(); |
| |
| /** |
| * 获取注册数据. |
| * |
| * @param key 键 |
| * @return 值 |
| */ |
| String get(String key); |
| |
| /** |
| * 获取数据是否存在. |
| * |
| * @param key 键 |
| * @return 数据是否存在 |
| */ |
| boolean isExisted(String key); |
| |
| /** |
| * 持久化注册数据. |
| * |
| * @param key 键 |
| * @param value 值 |
| */ |
| void persist(String key, String value); |
| |
| /** |
| * 更新注册数据. |
| * |
| * @param key 键 |
| * @param value 值 |
| */ |
| void update(String key, String value); |
| |
| /** |
| * 删除注册数据. |
| * |
| * @param key 键 |
| */ |
| void remove(String key); |
| |
| /** |
| * 获取注册中心当前时间. |
| * |
| * @param key 用于获取时间的键 |
| * @return 注册中心当前时间 |
| */ |
| long getRegistryCenterTime(String key); |
| |
| /** |
| * 直接获取操作注册中心的原生客户端. |
| * 如:Zookeeper或Redis等原生客户端. |
| * |
| * @return 注册中心的原生客户端 |
| */ |
| Object getRawClient(); |
| } |