65 lines
2.3 KiB
Kotlin
65 lines
2.3 KiB
Kotlin
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/*
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* Copyright 2023 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*//*
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* Copyright (C) 2011 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package dorkboxTest.network.app
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/**
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* A time source; returns a time value representing the number of nanoseconds elapsed since some
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* fixed but arbitrary point in time. Note that most users should use [Stopwatch] instead of
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* interacting with this class directly.
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*
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*
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* **Warning:** this interface can only be used to measure elapsed time, not wall time.
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*
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* @author Kevin Bourrillion
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* @since 10.0 ([mostly
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* source-compatible](https://github.com/google/guava/wiki/Compatibility) since 9.0)
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*/
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abstract class Ticker
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/** Constructor for use by subclasses. */
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protected constructor() {
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/** Returns the number of nanoseconds elapsed since this ticker's fixed point of reference. */
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abstract fun read(): Long
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companion object {
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/**
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* A ticker that reads the current time using [System.nanoTime].
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*
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* @since 10.0
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*/
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fun systemTicker(): Ticker {
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return SYSTEM_TICKER
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}
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private val SYSTEM_TICKER: Ticker = object : Ticker() {
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override fun read(): Long {
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return System.nanoTime()
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}
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}
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}
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}
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