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annotate Implab/Diagnostics/Trace.cs @ 212:a01d9df88d74 v2

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Added class Trace<T> to manage channels for individual classes, if SomeClass uses Trace<SomeClass> it sould be marked with TraceSourceAttribute
author cin
date Tue, 04 Apr 2017 12:04:05 +0300
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children babe55c34931
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rev   line source
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a01d9df88d74 Added class Trace<T> to manage channels for individual classes, if SomeClass
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Diagnostics;
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4 using System.Linq;
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5 using System.Text;
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6 using System.Threading.Tasks;
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7
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8 namespace Implab.Diagnostics {
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9 public static class Trace<T> {
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10
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11 readonly static LogChannel<TraceEvent> _channel = new LogChannel<TraceEvent>(typeof(T).Name);
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12
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13 public static LogChannel<TraceEvent> Channel {
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14 get { return _channel; }
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15 }
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16
a01d9df88d74 Added class Trace<T> to manage channels for individual classes, if SomeClass
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17 /// <summary>
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18 /// Starts the logical operation nested to the current operation nested to the current one.
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19 /// </summary>
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20 [Conditional("TRACE")]
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21 public static void StartLogicalOperation() {
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22 TraceContext.Instance.StartLogicalOperation();
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23
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24 }
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25
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26 /// <summary>
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27 /// Starts the logical operation with the specified name, this name is usefull in logs.
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28 /// </summary>
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29 /// <param name="name">Name.</param>
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30 [Conditional("TRACE")]
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31 public static void StartLogicalOperation(string name) {
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32 TraceContext.Instance.StartLogicalOperation(name);
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33 }
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34
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35 /// <summary>
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36 /// Ends the logical operation and restores the previous one.
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37 /// </summary>
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38 [Conditional("TRACE")]
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39 public static void EndLogicalOperation() {
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40 var op = TraceContext.Instance.EndLogicalOperation();
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41 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms", op.Name, op.Duration)));
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42 }
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43
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44 /// <summary>
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45 /// Writes an informational message.
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46 /// </summary>
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47 /// <param name="format">Format.</param>
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48 /// <param name="arguments">Arguments.</param>
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49 [Conditional("TRACE")]
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50 public static void Log(string format, params object[] arguments) {
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51 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Information, format, arguments));
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52 }
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53
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54 /// <summary>
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55 /// Writes a warning message.
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56 /// </summary>
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57 /// <param name="format">Format.</param>
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58 /// <param name="arguments">Arguments.</param>
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59 [Conditional("TRACE")]
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60 public static void Warn(string format, params object[] arguments) {
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61 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Warning, format, arguments));
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62 }
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63
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64 [Conditional("TRACE")]
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65 public static void Error(string format, params object[] arguments) {
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66 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Error, format, arguments));
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67 }
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68
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69 [Conditional("TRACE")]
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70 public static void Error(Exception err) {
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71 Error("{0}", err);
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72 }
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73 }
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74 }