1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.shardingsphere.infra.util.yaml; 19 20 /** 21 * YAML configuration. 22 */ 23 public interface YamlConfiguration { 24 25 /** 26 * Check whether the YAML configuration is empty, indicating the absence of any valid configuration items. 27 * 28 * @return check whether the YAML configuration is empty or not 29 */ 30 default boolean isEmpty() { 31 // TODO Only global.yaml and database.yaml handle empty YAML file currently.Other scenarios reading YAML files should also consider overriding this method to check for empty files. 32 return false; 33 } 34 }