1 /*
2  * Copyright 2018 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 androidx.work.impl.model;
18 
19 import static android.arch.persistence.room.OnConflictStrategy.REPLACE;
20 
21 import android.arch.persistence.room.Dao;
22 import android.arch.persistence.room.Insert;
23 import android.arch.persistence.room.Query;
24 import android.support.annotation.NonNull;
25 import android.support.annotation.Nullable;
26 
27 /**
28  * A Data Access Object for {@link SystemIdInfo}.
29  */
30 @Dao
31 public interface SystemIdInfoDao {
32     /**
33      * Inserts a {@link SystemIdInfo} into the database.
34      *
35      * @param systemIdInfo The {@link SystemIdInfo} to be inserted into the database.
36      */
37     @Insert(onConflict = REPLACE)
insertSystemIdInfo(@onNull SystemIdInfo systemIdInfo)38     void insertSystemIdInfo(@NonNull SystemIdInfo systemIdInfo);
39 
40     /**
41      * @param workSpecId The {@link WorkSpec} identifier.
42      * @return The instance of {@link SystemIdInfo} if exists.
43      */
44     @Nullable
45     @Query("SELECT * FROM SystemIdInfo WHERE work_spec_id=:workSpecId")
getSystemIdInfo(@onNull String workSpecId)46     SystemIdInfo getSystemIdInfo(@NonNull String workSpecId);
47 
48     /**
49      * Removes {@link SystemIdInfo} corresponding to the {@link WorkSpec} identifier.
50      *
51      * @param workSpecId The {@link WorkSpec} identifier.
52      */
53     @Query("DELETE FROM SystemIdInfo where work_spec_id=:workSpecId")
removeSystemIdInfo(@onNull String workSpecId)54     void removeSystemIdInfo(@NonNull String workSpecId);
55 }
56