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