| /* |
| * 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; |
| |
| /** |
| * Registry center. |
| */ |
| public interface RegistryCenter { |
| |
| /** |
| * Initialize registry center. |
| */ |
| void init(); |
| |
| /** |
| * Close registry center. |
| */ |
| void close(); |
| |
| /** |
| * Get value. |
| * |
| * @param key key |
| * @return value |
| */ |
| String get(String key); |
| |
| /** |
| * Judge node is exist or not. |
| * |
| * @param key key |
| * @return node is exist or not |
| */ |
| boolean isExisted(String key); |
| |
| /** |
| * Persist data. |
| * |
| * @param key key |
| * @param value value |
| */ |
| void persist(String key, String value); |
| |
| /** |
| * Update data. |
| * |
| * @param key key |
| * @param value value |
| */ |
| void update(String key, String value); |
| |
| /** |
| * Remove data. |
| * |
| * @param key key |
| */ |
| void remove(String key); |
| |
| /** |
| * Get current time from registry center. |
| * |
| * @param key key |
| * @return current time from registry center |
| */ |
| long getRegistryCenterTime(String key); |
| |
| /** |
| * Get raw client for registry center client. |
| ** |
| * @return registry center raw client |
| */ |
| Object getRawClient(); |
| } |