wehub-resource-sync
71 lines
2.6 KiB
C#
71 lines
2.6 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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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 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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*/
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using System;
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using QuantConnect.Logging;
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namespace QuantConnect.Util
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{
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/// <summary>
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/// Provides extensions methods for <see cref="IDisposable"/>
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/// </summary>
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public static class DisposableExtensions
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{
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/// <summary>
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/// Calls <see cref="IDisposable.Dispose"/> within a try/catch and logs any errors.
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/// </summary>
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/// <param name="disposable">The <see cref="IDisposable"/> to be disposed</param>
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/// <returns>True if the object was successfully disposed, false if an error was thrown</returns>
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public static bool DisposeSafely(this IDisposable disposable)
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{
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return disposable.DisposeSafely(error => Log.Error(error));
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}
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/// <summary>
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/// Calls <see cref="IDisposable.Dispose"/> within a try/catch and invokes the
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/// <paramref name="errorHandler"/> on any errors.
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/// </summary>
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/// <param name="disposable">The <see cref="IDisposable"/> to be disposed</param>
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/// <param name="errorHandler">Error handler delegate invoked if an exception is thrown
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/// while calling <see cref="IDisposable.Dispose"/></param> on <paramref name="disposable"/>
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/// <returns>True if the object was successfully disposed, false if an error was thrown or
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/// the specified disposable was null</returns>
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public static bool DisposeSafely(this IDisposable disposable, Action<Exception> errorHandler)
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{
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if (disposable == null)
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{
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return false;
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}
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try
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{
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disposable.Dispose();
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return true;
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}
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catch (ObjectDisposedException)
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{
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// we got what we wanted, the object has been disposed
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return true;
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}
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catch (Exception error)
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{
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errorHandler(error);
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return false;
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}
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}
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}
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}
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