1 /* 2 * Copyright (C) 2017 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.car.vms; 18 19 import android.annotation.SystemApi; 20 import android.os.Parcel; 21 import android.os.Parcelable; 22 23 import java.util.Objects; 24 25 /** 26 * A VMS Layer which can be subscribed to by VMS clients. 27 * 28 * @hide 29 */ 30 @SystemApi 31 public final class VmsLayer implements Parcelable { 32 33 // The layer Type. 34 private int mType; 35 36 // The layer Subtype. 37 private int mSubtype; 38 39 // The layer version. 40 private int mVersion; 41 VmsLayer(int type, int subtype, int version)42 public VmsLayer(int type, int subtype, int version) { 43 mType = type; 44 mSubtype = subtype; 45 mVersion = version; 46 } 47 getType()48 public int getType() { 49 return mType; 50 } 51 getSubtype()52 public int getSubtype() { 53 return mSubtype; 54 } 55 getVersion()56 public int getVersion() { 57 return mVersion; 58 } 59 60 /** 61 * Checks the two objects for equality by comparing their IDs and Versions. 62 * 63 * @param o the {@link VmsLayer} to which this one is to be checked for equality 64 * @return true if the underlying objects of the VmsLayer are both considered equal 65 */ 66 @Override equals(Object o)67 public boolean equals(Object o) { 68 if (!(o instanceof VmsLayer)) { 69 return false; 70 } 71 VmsLayer p = (VmsLayer) o; 72 return Objects.equals(p.mType, mType) && 73 Objects.equals(p.mSubtype, mSubtype) && 74 Objects.equals(p.mVersion, mVersion); 75 } 76 77 /** 78 * Compute a hash code similarly tp {@link android.util.Pair} 79 * 80 * @return a hashcode of the Pair 81 */ 82 @Override hashCode()83 public int hashCode() { 84 return Objects.hash(mType, mSubtype, mVersion); 85 } 86 87 @Override toString()88 public String toString() { 89 return "VmsLayer{ Type: " + mType + ", Sub type: " + mSubtype + ", Version: " + mVersion + "}"; 90 } 91 92 93 // Parcelable related methods. 94 public static final Parcelable.Creator<VmsLayer> CREATOR = new 95 Parcelable.Creator<VmsLayer>() { 96 public VmsLayer createFromParcel(Parcel in) { 97 return new VmsLayer(in); 98 } 99 100 public VmsLayer[] newArray(int size) { 101 return new VmsLayer[size]; 102 } 103 }; 104 105 @Override writeToParcel(Parcel out, int flags)106 public void writeToParcel(Parcel out, int flags) { 107 out.writeInt(mType); 108 out.writeInt(mSubtype); 109 out.writeInt(mVersion); 110 } 111 112 @Override describeContents()113 public int describeContents() { 114 return 0; 115 } 116 VmsLayer(Parcel in)117 private VmsLayer(Parcel in) { 118 readFromParcel(in); 119 } 120 readFromParcel(Parcel in)121 private void readFromParcel(Parcel in) { 122 mType = in.readInt(); 123 mSubtype = in.readInt(); 124 mVersion = in.readInt(); 125 } 126 }