1 /*
2  * Copyright (C) 2020 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 interface ITrace<Entry : ITraceEntry> {
20     val entries: Array<Entry>
21     val source: String
22 
getEntrynull23     fun getEntry(timestamp: Long): Entry {
24         return entries.firstOrNull { it.timestamp == timestamp }
25                 ?: throw RuntimeException("Entry does not exist for timestamp $timestamp")
26     }
27 
hasSourcenull28     fun hasSource(): Boolean = source.isNotEmpty()
29 }