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 android.ondevicepersonalization; 18 19 import android.annotation.NonNull; 20 21 /** 22 * Data Access Object for the LOCAL_DATA table. The LOCAL_DATA table is a mutable 23 * data store that contains data that has been stored locally by the vendor. 24 * 25 * @hide 26 */ 27 public interface MutableMap extends ImmutableMap { 28 /** 29 * Associates the specified value with the specified key in LOCAL_DATA. 30 * If LOCAL_DATA previously contained a mapping for the key, the old value is replaced. 31 * 32 * @param key key with which the specified value is to be associated 33 * @param value value to be associated with the specified key 34 * 35 * @return the previous value associated with key, or null if there was no mapping for key. 36 */ put(@onNull String key, @NonNull byte[] value)37 byte[] put(@NonNull String key, @NonNull byte[] value) throws OnDevicePersonalizationException; 38 39 /** 40 * Removes the mapping for the specified key from LOCAL_DATA if present. 41 * 42 * @param key key whose mapping is to be removed from the LOCAL_DATA 43 * 44 * @return the previous value associated with key, or null if there was no mapping for key. 45 */ remove(String key)46 byte[] remove(String key) throws OnDevicePersonalizationException; 47 } 48