1 /*
2  * Copyright (C) 2023 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 com.android.car.internal;
18 
19 import android.annotation.Nullable;
20 import android.os.Parcel;
21 import android.os.Parcelable;
22 
23 /**
24  * Wrapper for a parcelable object <V>
25  *
26  * @param <V> refer to a Parcelable object.
27  * @hide
28  */
29 public final class ResultWrapper<V> implements Parcelable {
30 
31     @Nullable
32     private final V mResult;
33 
ResultWrapper(V result)34     public ResultWrapper(V result) {
35         mResult = result;
36     }
37 
ResultWrapper(Parcel in)38     ResultWrapper(Parcel in) {
39         @SuppressWarnings("unchecked")
40         V safeCast = (V) in.readValue(getClass().getClassLoader());
41         mResult = safeCast;
42     }
43 
getResult()44     public V getResult() {
45         return mResult;
46     }
47 
48     @Override
describeContents()49     public int describeContents() {
50         return 0;
51     }
52 
53     @Override
writeToParcel(Parcel dest, int flags)54     public void writeToParcel(Parcel dest, int flags) {
55         dest.writeValue(mResult);
56     }
57 
58     public static final Parcelable.Creator<ResultWrapper> CREATOR =
59             new Parcelable.Creator<ResultWrapper>() {
60         public ResultWrapper createFromParcel(Parcel in) {
61             return new ResultWrapper(in);
62         }
63 
64         public ResultWrapper[] newArray(int size) {
65             return new ResultWrapper[size];
66         }
67     };
68 
69 }
70