Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / ConfigViewGenerator.cs / 1305376 / ConfigViewGenerator.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Common.Utils; using System.Text; using System.Diagnostics; namespace System.Data.Mapping.ViewGeneration { internal enum ViewGenerationMode { GenerateAllViews = 0, OfTypeViews, OfTypeOnlyViews } internal enum ViewGenTraceLevel { None = 0, ViewsOnly, Normal, Verbose } internal enum PerfType { InitialSetup = 0, CellCreation, KeyConstraint, ViewgenContext, UpdateViews, DisjointConstraint, PartitionConstraint, DomainConstraint, ForeignConstraint, QueryViews, BoolResolution, Unsatisfiability, ViewParsing, } // This class holds some configuration information for the view // generation code internal class ConfigViewGenerator : InternalBase { #region Constructors internal ConfigViewGenerator() { m_watch = new Stopwatch(); m_singleWatch = new Stopwatch(); int numEnums = Enum.GetNames(typeof(PerfType)).Length; m_breakdownTimes = new TimeSpan[numEnums]; TraceLevel = ViewGenTraceLevel.None; GenerateViewsForEachType = false; StartWatch(); } #endregion #region Fields private bool m_generateViewsForEachType; private ViewGenTraceLevel m_traceLevel; private TimeSpan[] m_breakdownTimes; private Stopwatch m_watch; private Stopwatch m_singleWatch; // To measure a single thing at a time private PerfType m_singlePerfOp; // Perf op being measured private bool m_enableValidation = true; private bool m_generateUpdateViews = true; #endregion #region Properties // Callers can set elements in this list internal TimeSpan[] BreakdownTimes { get { return m_breakdownTimes; } } internal ViewGenTraceLevel TraceLevel { get { return m_traceLevel; } set { m_traceLevel = value; } } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal bool IsValidationEnabled { get { return m_enableValidation; } set { m_enableValidation = value; } } internal bool GenerateUpdateViews { get { return m_generateUpdateViews; } set { m_generateUpdateViews = value; } } internal bool GenerateViewsForEachType { get { return m_generateViewsForEachType; } set { m_generateViewsForEachType = value; } } internal bool IsViewTracing { get { return IsTraceAllowed(ViewGenTraceLevel.ViewsOnly); } } internal bool IsNormalTracing { get { return IsTraceAllowed(ViewGenTraceLevel.Normal); } } internal bool IsVerboseTracing { get { return IsTraceAllowed(ViewGenTraceLevel.Verbose); } } #endregion #region Methods private void StartWatch() { m_watch.Start(); } internal void StartSingleWatch(PerfType perfType) { m_singleWatch.Start(); m_singlePerfOp = perfType; } // effects: Sets time for perfType for the individual timer internal void StopSingleWatch(PerfType perfType) { Debug.Assert(m_singlePerfOp == perfType, "Started op for different activity " + m_singlePerfOp + " -- not " + perfType); TimeSpan timeElapsed = m_singleWatch.Elapsed; int index = (int)perfType; m_singleWatch.Stop(); m_singleWatch.Reset(); BreakdownTimes[index] = BreakdownTimes[index].Add(timeElapsed); } // effects: Sets time for perfType since the last call to SetTimeForActivity internal void SetTimeForFinishedActivity(PerfType perfType) { TimeSpan timeElapsed = m_watch.Elapsed; int index = (int)perfType; BreakdownTimes[index] = BreakdownTimes[index].Add(timeElapsed); // Trace.WriteLine(perfType + " " + timeElapsed.TotalSeconds); m_watch.Reset(); m_watch.Start(); } // effects: Returns true if this's traceLevel is at least traceLevel internal bool IsTraceAllowed(ViewGenTraceLevel traceLevel) { return TraceLevel >= traceLevel; } internal override void ToCompactString(StringBuilder builder) { StringUtil.FormatStringBuilder(builder, "Trace Switch: {0}", m_traceLevel); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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