1 /* <lambda>null2 * 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.server.wm.traces.common 18 19 /** 20 * The utility class to validate a set of conditions 21 * 22 * This class is used to easily integrate multiple conditions into a single 23 * verification, for example, during [WaitCondition], while keeping the individual 24 * conditions separate for better reuse 25 * 26 * @param conditions conditions to be checked 27 */ 28 class ConditionList<T>( 29 val conditions: List<Condition<T>> 30 ) : Condition<T>("", { false }) { 31 constructor(vararg conditions: Condition<T>): this(listOf(*conditions)) 32 33 override val message: String <lambda>null34 get() = conditions.joinToString(" and ") { it.toString() } 35 36 override val condition: (T) -> Boolean <lambda>null37 get() = { 38 conditions.all { condition -> condition.isSatisfied(it) } 39 } 40 getMessagenull41 override fun getMessage(value: T): String = conditions 42 .joinToString(" and ") { it.getMessage(value) } 43 }