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.adservices.data.kanon;
18 
19 import android.annotation.Nullable;
20 
21 import androidx.room.Dao;
22 import androidx.room.Insert;
23 import androidx.room.OnConflictStrategy;
24 import androidx.room.Query;
25 
26 import java.time.Instant;
27 import java.util.List;
28 
29 /** Dao to manage access to entities in Client parameters table. */
30 @Dao
31 public abstract class ClientParametersDao {
32 
33     /**
34      * Returns an active ClientParameters if it exists with expiry instant more than given
35      * timestamp.
36      */
37     @Nullable
38     @Query("SELECT * FROM client_parameters WHERE expiry_instant > :currentTime")
getActiveClientParameters(Instant currentTime)39     public abstract List<DBClientParameters> getActiveClientParameters(Instant currentTime);
40 
41     /** Inserts the given ClientParameters in table. */
42     @Insert(onConflict = OnConflictStrategy.REPLACE)
insertClientParameters(DBClientParameters clientParameters)43     public abstract void insertClientParameters(DBClientParameters clientParameters);
44 
45     /** Delete all client_parameters older than the given timestamp. */
46     @Query("DELETE FROM client_parameters WHERE expiry_instant < :currentTime")
removeExpiredClientParameters(Instant currentTime)47     public abstract void removeExpiredClientParameters(Instant currentTime);
48 
49     /** Delete all client parameters from the table. */
50     @Query("DELETE FROM client_parameters")
deleteAllClientParameters()51     public abstract int deleteAllClientParameters();
52 }
53