Neil Fuller | 24836bf | 2018-06-08 18:44:49 +0100 | [diff] [blame] | 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.app.timedetector; |
| 18 | |
| 19 | import android.annotation.NonNull; |
| 20 | import android.os.Parcel; |
| 21 | import android.os.Parcelable; |
| 22 | import android.util.TimestampedValue; |
| 23 | |
| 24 | import java.util.Objects; |
| 25 | |
| 26 | /** |
| 27 | * A time signal from a named source. The value consists of the number of milliseconds elapsed since |
| 28 | * 1/1/1970 00:00:00 UTC and the time according to the elapsed realtime clock when that number was |
| 29 | * established. The elapsed realtime clock is considered accurate but volatile, so time signals |
| 30 | * must not be persisted across device resets. |
| 31 | * |
| 32 | * @hide |
| 33 | */ |
| 34 | public final class TimeSignal implements Parcelable { |
| 35 | |
Jeff Sharkey | 9e8f83d | 2019-02-28 12:06:45 -0700 | [diff] [blame^] | 36 | public static final @android.annotation.NonNull Parcelable.Creator<TimeSignal> CREATOR = |
Neil Fuller | 24836bf | 2018-06-08 18:44:49 +0100 | [diff] [blame] | 37 | new Parcelable.Creator<TimeSignal>() { |
| 38 | public TimeSignal createFromParcel(Parcel in) { |
| 39 | return TimeSignal.createFromParcel(in); |
| 40 | } |
| 41 | |
| 42 | public TimeSignal[] newArray(int size) { |
| 43 | return new TimeSignal[size]; |
| 44 | } |
| 45 | }; |
| 46 | |
| 47 | public static final String SOURCE_ID_NITZ = "nitz"; |
| 48 | |
| 49 | private final String mSourceId; |
| 50 | private final TimestampedValue<Long> mUtcTime; |
| 51 | |
| 52 | public TimeSignal(String sourceId, TimestampedValue<Long> utcTime) { |
| 53 | mSourceId = Objects.requireNonNull(sourceId); |
| 54 | mUtcTime = Objects.requireNonNull(utcTime); |
| 55 | } |
| 56 | |
| 57 | private static TimeSignal createFromParcel(Parcel in) { |
| 58 | String sourceId = in.readString(); |
| 59 | TimestampedValue<Long> utcTime = |
| 60 | TimestampedValue.readFromParcel(in, null /* classLoader */, Long.class); |
| 61 | return new TimeSignal(sourceId, utcTime); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public int describeContents() { |
| 66 | return 0; |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void writeToParcel(@NonNull Parcel dest, int flags) { |
| 71 | dest.writeString(mSourceId); |
| 72 | TimestampedValue.writeToParcel(dest, mUtcTime); |
| 73 | } |
| 74 | |
| 75 | @NonNull |
| 76 | public String getSourceId() { |
| 77 | return mSourceId; |
| 78 | } |
| 79 | |
| 80 | @NonNull |
| 81 | public TimestampedValue<Long> getUtcTime() { |
| 82 | return mUtcTime; |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public boolean equals(Object o) { |
| 87 | if (this == o) { |
| 88 | return true; |
| 89 | } |
| 90 | if (o == null || getClass() != o.getClass()) { |
| 91 | return false; |
| 92 | } |
| 93 | TimeSignal that = (TimeSignal) o; |
| 94 | return Objects.equals(mSourceId, that.mSourceId) |
| 95 | && Objects.equals(mUtcTime, that.mUtcTime); |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public int hashCode() { |
| 100 | return Objects.hash(mSourceId, mUtcTime); |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public String toString() { |
| 105 | return "TimeSignal{" |
| 106 | + "mSourceId='" + mSourceId + '\'' |
| 107 | + ", mUtcTime=" + mUtcTime |
| 108 | + '}'; |
| 109 | } |
| 110 | } |