| /* |
| * Copyright (C) 2017 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 android.car.vms; |
| |
| import android.car.annotation.FutureFeature; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.util.Objects; |
| |
| /** |
| * A VMS Layer which can be subscribed to by VMS clients. |
| * Consists of the layer ID and the layer major version. |
| * |
| * This class does not contain the minor version since all minor version are backward and forward |
| * compatible and should not be used for routing messages. |
| * @hide |
| */ |
| @FutureFeature |
| public final class VmsLayer implements Parcelable { |
| |
| // The layer ID. |
| private int mId; |
| |
| // The layer version. |
| private int mVersion; |
| |
| public VmsLayer(int id, int version) { |
| mId = id; |
| mVersion = version; |
| } |
| |
| public int getId() { |
| return mId; |
| } |
| |
| public int getVersion() { |
| return mVersion; |
| } |
| |
| /** |
| * Checks the two objects for equality by comparing their IDs and Versions. |
| * |
| * @param o the {@link VmsLayer} to which this one is to be checked for equality |
| * @return true if the underlying objects of the VmsLayer are both considered equal |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof VmsLayer)) { |
| return false; |
| } |
| VmsLayer p = (VmsLayer) o; |
| return Objects.equals(p.mId, mId) && Objects.equals(p.mVersion, mVersion); |
| } |
| |
| /** |
| * Compute a hash code similarly tp {@link android.util.Pair} |
| * |
| * @return a hashcode of the Pair |
| */ |
| @Override |
| public int hashCode() { |
| return Objects.hash(mId, mVersion); |
| } |
| |
| @Override |
| public String toString() { |
| return "VmsLayer{" + mId + " " + mVersion + "}"; |
| } |
| |
| |
| // Parcelable related methods. |
| public static final Parcelable.Creator<VmsLayer> CREATOR = new |
| Parcelable.Creator<VmsLayer>() { |
| public VmsLayer createFromParcel(Parcel in) { |
| return new VmsLayer(in); |
| } |
| |
| public VmsLayer[] newArray(int size) { |
| return new VmsLayer[size]; |
| } |
| }; |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(mId); |
| out.writeInt(mVersion); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| private VmsLayer(Parcel in) { |
| readFromParcel(in); |
| } |
| |
| private void readFromParcel(Parcel in) { |
| mId = in.readInt(); |
| mVersion = in.readInt(); |
| } |
| } |