1 /* 2 * Copyright (C) 2020 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.role.persistence; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.SystemApi; 22 import android.annotation.SystemApi.Client; 23 24 import java.util.Map; 25 import java.util.Objects; 26 import java.util.Set; 27 28 /** 29 * State of all roles. 30 * 31 * TODO(b/147914847): Remove @hide when it becomes the default. 32 * @hide 33 */ 34 @SystemApi(client = Client.SYSTEM_SERVER) 35 public final class RolesState { 36 37 /** 38 * The version of the roles. 39 */ 40 private final int mVersion; 41 42 /** 43 * The hash of all packages in the system. 44 */ 45 @Nullable 46 private final String mPackagesHash; 47 48 /** 49 * The roles. 50 */ 51 @NonNull 52 private final Map<String, Set<String>> mRoles; 53 54 /** 55 * Create a new instance of this class. 56 * 57 * @param version the version of the roles 58 * @param packagesHash the hash of all packages in the system 59 * @param roles the roles 60 */ RolesState(int version, @Nullable String packagesHash, @NonNull Map<String, Set<String>> roles)61 public RolesState(int version, @Nullable String packagesHash, 62 @NonNull Map<String, Set<String>> roles) { 63 mVersion = version; 64 mPackagesHash = packagesHash; 65 mRoles = roles; 66 } 67 68 /** 69 * Get the version of the roles. 70 * 71 * @return the version of the roles 72 */ getVersion()73 public int getVersion() { 74 return mVersion; 75 } 76 77 /** 78 * Get the hash of all packages in the system. 79 * 80 * @return the hash of all packages in the system 81 */ 82 @Nullable getPackagesHash()83 public String getPackagesHash() { 84 return mPackagesHash; 85 } 86 87 /** 88 * Get the roles. 89 * 90 * @return the roles 91 */ 92 @NonNull getRoles()93 public Map<String, Set<String>> getRoles() { 94 return mRoles; 95 } 96 97 @Override equals(Object object)98 public boolean equals(Object object) { 99 if (this == object) { 100 return true; 101 } 102 if (object == null || getClass() != object.getClass()) { 103 return false; 104 } 105 RolesState that = (RolesState) object; 106 return mVersion == that.mVersion 107 && Objects.equals(mPackagesHash, that.mPackagesHash) 108 && Objects.equals(mRoles, that.mRoles); 109 } 110 111 @Override hashCode()112 public int hashCode() { 113 return Objects.hash(mVersion, mPackagesHash, mRoles); 114 } 115 } 116