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.cobalt.data;
18 
19 import androidx.room.AutoMigration;
20 import androidx.room.Database;
21 import androidx.room.RoomDatabase;
22 import androidx.room.TypeConverters;
23 
24 import com.android.internal.annotations.VisibleForTesting;
25 
26 /** Room-based database for storing global data, aggregated values, and unsent observations. */
27 @Database(
28         entities = {
29             AggregateStoreEntity.class,
30             GlobalValueEntity.class,
31             ObservationStoreEntity.class,
32             ReportEntity.class,
33             SystemProfileEntity.class,
34             StringHashEntity.class
35         },
36         version = CobaltDatabase.DATABASE_VERSION,
37         autoMigrations = {@AutoMigration(from = 1, to = 2)})
38 @TypeConverters({Converters.class})
39 public abstract class CobaltDatabase extends RoomDatabase {
40     public static final int DATABASE_VERSION = 2;
41 
42     /** Get the DAO building blocks. */
daoBuildingBlocks()43     abstract DaoBuildingBlocks daoBuildingBlocks();
44 
45     /** Get the DAO for test-only operations. */
46     @VisibleForTesting
testOnlyDao()47     public abstract TestOnlyDao testOnlyDao();
48 }
49