1 /* 2 * Copyright (C) 2021 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.statementservice.utils 18 19 sealed class Result<T> { 20 successValueOrNullnull21 fun successValueOrNull() = (this as? Success<T>)?.value 22 23 data class Success<T>(val value: T) : Result<T>() 24 data class Failure<T>(val message: String? = null, val throwable: Throwable? = null) : 25 Result<T>() { 26 27 constructor(message: String) : this(message = message, throwable = null) 28 constructor(throwable: Throwable) : this(message = null, throwable = throwable) 29 30 @Suppress("UNCHECKED_CAST") 31 fun <T> asType() = this as Result<T> 32 } 33 } 34