99 lines
2.8 KiB
C#
99 lines
2.8 KiB
C#
#region License
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/*
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* Copyright © 2002-2008 the original author or authors.
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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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#endregion
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#region Imports
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using System;
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#endregion
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namespace Spring
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{
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/// <summary>
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/// A simple StopWatch implemetion for use in Performance Tests
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/// </summary>
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/// <example>
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/// The following example shows the usage:
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/// <code>
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/// StopWatch watch = new StopWatch();
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/// using (watch.Start("Duration: {0}"))
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/// {
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/// // do some work...
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/// }
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/// </code>
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/// The format string passed to the start method is used to print the result message.
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/// The example above will print <c>Duration: 0.123s</c>.
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/// </example>
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/// <author>Erich Eichinger</author>
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public class StopWatch
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{
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private DateTime _startTime;
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private TimeSpan _elapsed;
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private class Stopper : IDisposable
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{
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private readonly StopWatch _owner;
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private readonly string _format;
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public Stopper(StopWatch owner, string format)
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{
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_owner = owner;
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_format = format;
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}
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public void Dispose()
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{
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_owner.Stop(_format);
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GC.SuppressFinalize(this);
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}
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}
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/// <summary>
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/// Starts the timer and returns and "handle" that must be disposed to stop the timer.
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/// </summary>
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/// <param name="outputFormat">the output format string, that is used to render the result message</param>
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/// <returns>the handle to dispose for stopping the timer</returns>
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public IDisposable Start(string outputFormat)
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{
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Stopper stopper = new Stopper(this, outputFormat);
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_startTime = DateTime.Now;
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return stopper;
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}
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private void Stop(string outputFormat)
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{
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_elapsed = DateTime.Now.Subtract(_startTime);
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if (outputFormat != null)
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{
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Console.WriteLine(outputFormat, _elapsed);
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}
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}
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public DateTime StartTime
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{
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get { return _startTime; }
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}
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public TimeSpan Elapsed
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{
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get { return _elapsed; }
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}
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}
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} |