1/*
2 * Copyright (C) 2016 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
17package android.car.hardware;
18
19import static java.lang.Integer.toHexString;
20
21import android.annotation.SystemApi;
22import android.os.Parcel;
23import android.os.Parcelable;
24
25/**
26 * Stores values broken down by area for a vehicle property.
27 *
28 * @param <T> refer to Parcel#writeValue(Object) to get a list of all supported types. The class
29 * should be visible to framework as default class loader is being used here.
30 *
31 * @hide
32 */
33@SystemApi
34public class CarPropertyValue<T> implements Parcelable {
35    private final int mPropertyId;
36    private final int mAreaId;
37    private final T mValue;
38
39    public CarPropertyValue(int propertyId, T value) {
40        this(propertyId, 0, value);
41    }
42
43    public CarPropertyValue(int propertyId, int areaId, T value) {
44        mPropertyId = propertyId;
45        mAreaId = areaId;
46        mValue = value;
47    }
48
49    @SuppressWarnings("unchecked")
50    public CarPropertyValue(Parcel in) {
51        mPropertyId = in.readInt();
52        mAreaId = in.readInt();
53        mValue = (T) in.readValue(getClass().getClassLoader());
54    }
55
56    public static final Creator<CarPropertyValue> CREATOR = new Creator<CarPropertyValue>() {
57        @Override
58        public CarPropertyValue createFromParcel(Parcel in) {
59            return new CarPropertyValue(in);
60        }
61
62        @Override
63        public CarPropertyValue[] newArray(int size) {
64            return new CarPropertyValue[size];
65        }
66    };
67
68    @Override
69    public int describeContents() {
70        return 0;
71    }
72
73    @Override
74    public void writeToParcel(Parcel dest, int flags) {
75        dest.writeInt(mPropertyId);
76        dest.writeInt(mAreaId);
77        dest.writeValue(mValue);
78    }
79
80    public int getPropertyId() {
81        return mPropertyId;
82    }
83
84    public int getAreaId() {
85        return mAreaId;
86    }
87
88    public T getValue() {
89        return mValue;
90    }
91
92    @Override
93    public String toString() {
94        return "CarPropertyValue{" +
95                "mPropertyId=0x" + toHexString(mPropertyId) +
96                ", mAreaId=0x" + toHexString(mAreaId) +
97                ", mValue=" + mValue +
98                '}';
99    }
100}
101