1 /* 2 * Copyright (C) 2018 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.content.rollback; 18 19 import android.annotation.NonNull; 20 import android.annotation.SystemApi; 21 import android.content.pm.VersionedPackage; 22 import android.os.Parcel; 23 import android.os.Parcelable; 24 25 import java.util.List; 26 27 /** 28 * Information about a set of packages that can be, or already have been 29 * rolled back together. 30 * 31 * @hide 32 */ 33 @SystemApi 34 public final class RollbackInfo implements Parcelable { 35 36 /** 37 * A unique identifier for the rollback. 38 */ 39 private final int mRollbackId; 40 41 private final List<PackageRollbackInfo> mPackages; 42 43 private final List<VersionedPackage> mCausePackages; 44 45 private final boolean mIsStaged; 46 private int mCommittedSessionId; 47 48 /** @hide */ RollbackInfo(int rollbackId, List<PackageRollbackInfo> packages, boolean isStaged, List<VersionedPackage> causePackages, int committedSessionId)49 public RollbackInfo(int rollbackId, List<PackageRollbackInfo> packages, boolean isStaged, 50 List<VersionedPackage> causePackages, int committedSessionId) { 51 this.mRollbackId = rollbackId; 52 this.mPackages = packages; 53 this.mIsStaged = isStaged; 54 this.mCausePackages = causePackages; 55 this.mCommittedSessionId = committedSessionId; 56 } 57 RollbackInfo(Parcel in)58 private RollbackInfo(Parcel in) { 59 mRollbackId = in.readInt(); 60 mPackages = in.createTypedArrayList(PackageRollbackInfo.CREATOR); 61 mIsStaged = in.readBoolean(); 62 mCausePackages = in.createTypedArrayList(VersionedPackage.CREATOR); 63 mCommittedSessionId = in.readInt(); 64 } 65 66 /** 67 * Returns a unique identifier for this rollback. 68 */ getRollbackId()69 public int getRollbackId() { 70 return mRollbackId; 71 } 72 73 /** 74 * Returns the list of package that are rolled back. 75 */ 76 @NonNull getPackages()77 public List<PackageRollbackInfo> getPackages() { 78 return mPackages; 79 } 80 81 /** 82 * Returns true if this rollback requires reboot to take effect after 83 * being committed. 84 */ isStaged()85 public boolean isStaged() { 86 return mIsStaged; 87 } 88 89 /** 90 * Returns the session ID for the committed rollback for staged rollbacks. 91 * Only applicable for rollbacks that have been committed. 92 */ getCommittedSessionId()93 public int getCommittedSessionId() { 94 return mCommittedSessionId; 95 } 96 97 /** 98 * Sets the session ID for the committed rollback for staged rollbacks. 99 * @hide 100 */ setCommittedSessionId(int sessionId)101 public void setCommittedSessionId(int sessionId) { 102 mCommittedSessionId = sessionId; 103 } 104 105 /** 106 * Gets the list of package versions that motivated this rollback. 107 * As provided to {@link #commitRollback} when the rollback was committed. 108 * This is only applicable for rollbacks that have been committed. 109 */ 110 @NonNull getCausePackages()111 public List<VersionedPackage> getCausePackages() { 112 return mCausePackages; 113 } 114 115 @Override describeContents()116 public int describeContents() { 117 return 0; 118 } 119 120 @Override writeToParcel(Parcel out, int flags)121 public void writeToParcel(Parcel out, int flags) { 122 out.writeInt(mRollbackId); 123 out.writeTypedList(mPackages); 124 out.writeBoolean(mIsStaged); 125 out.writeTypedList(mCausePackages); 126 out.writeInt(mCommittedSessionId); 127 } 128 129 public static final @android.annotation.NonNull Parcelable.Creator<RollbackInfo> CREATOR = 130 new Parcelable.Creator<RollbackInfo>() { 131 public RollbackInfo createFromParcel(Parcel in) { 132 return new RollbackInfo(in); 133 } 134 135 public RollbackInfo[] newArray(int size) { 136 return new RollbackInfo[size]; 137 } 138 }; 139 } 140