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.common; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 22 import java.util.UUID; 23 24 /** Interface of user profile id storage model. */ 25 public interface UserProfileIdDao { 26 /** Returns the user profile id if exists in the storage or returns null otherwise. */ 27 @Nullable getUserProfileId()28 UUID getUserProfileId(); 29 30 /** 31 * Returns the timestamp (milliseconds since epoch) when the user profile id was persisted. 32 * 33 * <p>Returns 0 if not found 34 */ getTimestamp()35 long getTimestamp(); 36 37 /** Sets the user profile id. */ setUserProfileId(@onNull UUID userProfileId)38 void setUserProfileId(@NonNull UUID userProfileId); 39 40 /** Delete the user profile id from the storage. */ deleteStorage()41 void deleteStorage(); 42 } 43