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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Implab.Diagnostics {
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/// <summary>
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/// This class is used to trace a logical flow of the application, it publishes events to the default <see cref="TraceEvent"/> channel.
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/// </summary>
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public static class TraceLog {
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/// <summary>
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/// Starts the logical operation nested to the current operation nested to the current one.
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/// </summary>
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[Conditional("TRACE")]
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public static void StartLogicalOperation() {
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TraceContext.Instance.StartLogicalOperation();
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}
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/// <summary>
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/// Starts the logical operation with the specified name, this name is usefull in logs.
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/// </summary>
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/// <param name="name">Name.</param>
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[Conditional("TRACE")]
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public static void StartLogicalOperation(string name) {
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TraceContext.Instance.StartLogicalOperation(name);
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}
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/// <summary>
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/// Ends the logical operation and restores the previous one.
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/// </summary>
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[Conditional("TRACE")]
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public static void EndLogicalOperation() {
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var op = TraceContext.Instance.EndLogicalOperation();
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LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms",op.Name, op.Duration)));
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}
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/// <summary>
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/// Writes an informational message.
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/// </summary>
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/// <param name="format">Format.</param>
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/// <param name="arguments">Arguments.</param>
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[Conditional("TRACE")]
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public static void TraceInformation(string format, params object[] arguments) {
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LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Information, format, arguments));
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}
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/// <summary>
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/// Writes a warning message.
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/// </summary>
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/// <param name="format">Format.</param>
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/// <param name="arguments">Arguments.</param>
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[Conditional("TRACE")]
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public static void TraceWarning(string format, params object[] arguments) {
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LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Warning, format, arguments));
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}
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[Conditional("TRACE")]
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public static void TraceError(string format, params object[] arguments) {
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LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Error, format, arguments));
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}
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[Conditional("TRACE")]
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public static void TraceError(Exception err) {
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TraceError("{0}", err);
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}
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}
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}
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