1/**
2 * Copyright (c) 2023-2023 Huawei Device 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 BaseDataSource from './BaseDataSource';
17import FormConstants from '../common/constants/FormConstants';
18import { Log } from '@ohos/common';
19// @ts-ignore
20import dataSourceListCfg from '../../../resources/rawfile/service_form_config.json';
21
22const TAG = 'BigDataDataSource';
23
24/**
25 * 推荐卡片资源池数据源：大数据预置卡片列表
26 */
27export default class BigDataDataSource extends BaseDataSource {
28  private CONFIG_NAME: string = 'big_data_source_list';
29
30  constructor() {
31    super();
32  }
33
34  /**
35   * getInstance
36   *
37   * @return Instance
38   */
39  static getInstance(): BigDataDataSource {
40    if (globalThis.BigDataDataSource == null) {
41      globalThis.BigDataDataSource = new BigDataDataSource();
42    }
43    return globalThis.BigDataDataSource;
44  }
45
46  public getSourceDataList(): string[] {
47    let obj = JSON.parse(JSON.stringify(dataSourceListCfg));
48    for (let key in obj) {
49      if (key === this.CONFIG_NAME) {
50        let bigDataSourceList: string[] = obj[key];
51        Log.showInfo(TAG, 'get bigDataSourceList len: ' + bigDataSourceList.length);
52        Log.showInfo(TAG, 'get bigDataSourceList: ' + JSON.stringify(bigDataSourceList));
53        return bigDataSourceList;
54      }
55    }
56    return [];
57  }
58
59  /**
60   * 获取卡片资源池数据源名
61   *
62   * @return 卡片资源池数据源名
63   */
64  public getName(): string {
65    return FormConstants.FORM_DATA_SOURCE_POOL_NAME_BIG_DATA;
66  }
67
68  /**
69   * 获取卡片资源池阈值
70   *
71   * @return 卡片资源池阈值
72   */
73  public getThreshold(): number {
74    return FormConstants.SERVICE_FORM_POOL_BIG_DATA_THRESHOLD;
75  }
76}
77