1c36cf2e9Sopenharmony_ci/* 2c36cf2e9Sopenharmony_ci * Copyright (c) 2023-2023 Huawei Device Co., Ltd. 3c36cf2e9Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4c36cf2e9Sopenharmony_ci * you may not use this file except in compliance with the License. 5c36cf2e9Sopenharmony_ci * You may obtain a copy of the License at 6c36cf2e9Sopenharmony_ci * 7c36cf2e9Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8c36cf2e9Sopenharmony_ci * 9c36cf2e9Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10c36cf2e9Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11c36cf2e9Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12c36cf2e9Sopenharmony_ci * See the License for the specific language governing permissions and 13c36cf2e9Sopenharmony_ci * limitations under the License. 14c36cf2e9Sopenharmony_ci */ 15c36cf2e9Sopenharmony_ciimport { GlobalObject } from './GlobalObject'; 16c36cf2e9Sopenharmony_ciimport { Log } from './Log'; 17c36cf2e9Sopenharmony_ci 18c36cf2e9Sopenharmony_ciconst TAG: string = 'SingletonHelper'; 19c36cf2e9Sopenharmony_ci/** 20c36cf2e9Sopenharmony_ci * 获取单例类 21c36cf2e9Sopenharmony_ci */ 22c36cf2e9Sopenharmony_ciexport class SingletonHelper { 23c36cf2e9Sopenharmony_ci static getInstance<T>(clazz: { new(): T }, key: string): T { 24c36cf2e9Sopenharmony_ci if (!GlobalObject.getInstance().hasObject(key)) { 25c36cf2e9Sopenharmony_ci GlobalObject.getInstance().setObject(key, new clazz()); 26c36cf2e9Sopenharmony_ci Log.info(TAG, `Create key of ${key}`); 27c36cf2e9Sopenharmony_ci } 28c36cf2e9Sopenharmony_ci return GlobalObject.getInstance().getObject(key) as T; 29c36cf2e9Sopenharmony_ci } 30c36cf2e9Sopenharmony_ci}