1 /*
2  * Copyright (C) 2021 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.queryable.queries;
18 
19 import android.os.PersistableBundle;
20 
21 import androidx.annotation.CheckResult;
22 
23 import com.android.queryable.Queryable;
24 
25 import java.io.Serializable;
26 
27 /** Query for a single key in a {@link PersistableBundle}. */
28 public interface PersistableBundleKeyQuery<E extends Queryable> {
29     /** Require that the key exists. */
exists()30     E exists();
31     /** Require that the key does not exist. */
doesNotExist()32     E doesNotExist();
33 
34     @CheckResult
stringValue()35     StringQuery<E> stringValue();
36 
37     @CheckResult
persistableBundleValue()38     PersistableBundleQuery<E> persistableBundleValue();
39 }
40