| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.rollback; |
| |
| import android.content.rollback.PackageRollbackInfo; |
| |
| import java.io.File; |
| import java.time.Instant; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Information about a rollback available for a set of atomically installed |
| * packages. |
| */ |
| class RollbackData { |
| /** |
| * A unique identifier for this rollback. |
| */ |
| public final int rollbackId; |
| |
| /** |
| * The per-package rollback information. |
| */ |
| public final List<PackageRollbackInfo> packages = new ArrayList<>(); |
| |
| /** |
| * The directory where the rollback data is stored. |
| */ |
| public final File backupDir; |
| |
| /** |
| * The time when the upgrade occurred, for purposes of expiring |
| * rollback data. |
| */ |
| public Instant timestamp; |
| |
| /** |
| * The session ID for the staged session if this rollback data represents a staged session, |
| * {@code -1} otherwise. |
| */ |
| public int stagedSessionId; |
| |
| /** |
| * A flag to indicate whether the rollback should be considered available |
| * for use. This will always be true for rollbacks of non-staged sessions. |
| * For rollbacks of staged sessions, this is not set to true until after |
| * the staged session has been applied. |
| */ |
| public boolean isAvailable; |
| |
| /** |
| * Whether this Rollback is currently in progress. This field is true from the point |
| * we commit a {@code PackageInstaller} session containing these packages to the point the |
| * {@code PackageInstaller} calls into the {@code onFinished} callback. |
| */ |
| // NOTE: All accesses to this field are from the RollbackManager handler thread. |
| public boolean inProgress = false; |
| |
| RollbackData(int rollbackId, File backupDir, int stagedSessionId, boolean isAvailable) { |
| this.rollbackId = rollbackId; |
| this.backupDir = backupDir; |
| this.stagedSessionId = stagedSessionId; |
| this.isAvailable = isAvailable; |
| } |
| |
| /** |
| * Whether the rollback is for rollback of a staged install. |
| */ |
| public boolean isStaged() { |
| return stagedSessionId != -1; |
| } |
| } |