Lean  $LEAN_TAG$
ILogHandler.cs
1 /*
2  * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
3  * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14 */
15 
16 using System;
17 using System.ComponentModel.Composition;
18 
19 namespace QuantConnect.Logging
20 {
21  /// <summary>
22  /// Interface for redirecting log output
23  /// </summary>
24  [InheritedExport(typeof(ILogHandler))]
25  public interface ILogHandler : IDisposable
26  {
27  /// <summary>
28  /// Write error message to log
29  /// </summary>
30  /// <param name="text">The error text to log</param>
31  void Error(string text);
32 
33  /// <summary>
34  /// Write debug message to log
35  /// </summary>
36  /// <param name="text">The debug text to log</param>
37  void Debug(string text);
38 
39  /// <summary>
40  /// Write debug message to log
41  /// </summary>
42  /// <param name="text">The trace text to log</param>
43  void Trace(string text);
44  }
45 }