1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.server.healthconnect;
18 
19 import com.android.server.healthconnect.storage.datatypehelpers.PreferenceHelper;
20 
21 import java.util.concurrent.ConcurrentHashMap;
22 
23 /**
24  * Fake impl of Preference Helper for use in testing.
25  *
26  * <p>This is an in-memory impl, and doesn't persist changes to the database.
27  */
28 public class FakePreferenceHelper extends PreferenceHelper {
29 
FakePreferenceHelper()30     public FakePreferenceHelper() {
31         mPreferences = new ConcurrentHashMap<>();
32     }
33 
34     @Override
insertOrReplacePreference(String key, String value)35     public synchronized void insertOrReplacePreference(String key, String value) {
36         getPreferences().put(key, value);
37     }
38 
39     @Override
removeKey(String id)40     public synchronized void removeKey(String id) {
41         getPreferences().remove(id);
42     }
43 
44     @Override
clearCache()45     public synchronized void clearCache() {
46         mPreferences.clear();
47     }
48 }
49