1/* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import { TrashUserFileDataItem } from './TrashUserFileDataItem'; 17import { stashOrGetObject } from '../utils/SingleInstanceUtils'; 18 19const TAG = 'TrashUserFileDataItemCache'; 20 21class TrashUserFileDataItemCache { 22 private trashMediaDataItemMap = new Map<string, TrashUserFileDataItem>(); 23 24 hasKey(key: string): boolean { 25 return this.trashMediaDataItemMap.has(key); 26 } 27 28 deleteKey(key: string): boolean { 29 return this.trashMediaDataItemMap.delete(key); 30 } 31 32 set(key: string, value: TrashUserFileDataItem): void { 33 this.trashMediaDataItemMap.set(key, value); 34 } 35 36 get(key: string): TrashUserFileDataItem { 37 return this.trashMediaDataItemMap.get(key); 38 } 39 40 clearAll(): void { 41 this.trashMediaDataItemMap.clear(); 42 } 43} 44 45export let trashUserFileDataItemCache: TrashUserFileDataItemCache = stashOrGetObject<TrashUserFileDataItemCache>(new TrashUserFileDataItemCache(), TAG); 46