wehub-resource-sync
120 lines
4.0 KiB
C#
120 lines
4.0 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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using System;
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using System.ComponentModel.Composition;
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using System.Globalization;
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namespace QuantConnect.Logging
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{
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/// <summary>
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/// ILogHandler implementation that writes log output to result handler
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/// </summary>
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[PartNotDiscoverable]
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public class FunctionalLogHandler : ILogHandler
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{
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private const string DateFormat = "yyyyMMdd HH:mm:ss";
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private readonly Action<string> _debug;
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private readonly Action<string> _trace;
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private readonly Action<string> _error;
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private readonly Action<string> _report;
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/// <summary>
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/// Default constructor to handle MEF.
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/// </summary>
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public FunctionalLogHandler()
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="QuantConnect.Logging.FunctionalLogHandler"/> class.
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/// </summary>
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public FunctionalLogHandler(Action<string> debug, Action<string> trace, Action<string> error)
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{
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// saves references to the real console text writer since in a deployed state we may overwrite this in order
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// to redirect messages from algorithm to result handler
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_debug = debug;
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_trace = trace;
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_error = error;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="QuantConnect.Logging.FunctionalLogHandler"/> class.
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/// </summary>
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public FunctionalLogHandler(Action<string> debug, Action<string> trace, Action<string> error, Action<string> report)
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: this(debug, trace, error)
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{
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_report = report;
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}
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/// <summary>
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/// Write error message to log
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/// </summary>
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/// <param name="text">The error text to log</param>
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public void Error(string text)
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{
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if (_error != null)
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{
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_error(DateTime.Now.ToString(DateFormat, CultureInfo.InvariantCulture) + " ERROR " + text);
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}
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}
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/// <summary>
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/// Write debug message to log
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/// </summary>
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/// <param name="text">The debug text to log</param>
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public void Debug(string text)
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{
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if (_debug != null)
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{
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_debug(DateTime.Now.ToString(DateFormat, CultureInfo.InvariantCulture) + " DEBUG " + text);
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}
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}
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/// <summary>
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/// Write debug message to log
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/// </summary>
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/// <param name="text">The trace text to log</param>
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public void Trace(string text)
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{
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if (_trace != null)
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{
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_trace(DateTime.Now.ToString(DateFormat, CultureInfo.InvariantCulture) + " TRACE " + text);
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}
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}
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/// <summary>
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/// Write report message to log
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/// </summary>
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/// <param name="text">The report text to log</param>
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public void Report(string text)
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{
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if (_report != null)
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{
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_report(DateTime.Now.ToString(DateFormat, CultureInfo.InvariantCulture) + " REPORT " + text);
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}
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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/// <filterpriority>2</filterpriority>
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public void Dispose()
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{
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}
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}
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}
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