Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / Diagnostics / CorrelationManager.cs / 1305376 / CorrelationManager.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Specialized; using System.Threading; using System.Runtime.Remoting.Messaging; namespace System.Diagnostics { public class CorrelationManager { private const string transactionSlotName = "System.Diagnostics.Trace.CorrelationManagerSlot"; private const string activityIdSlotName = "E2ETrace.ActivityID"; internal CorrelationManager() { } public Guid ActivityId { get { Object id = CallContext.LogicalGetData(activityIdSlotName); if (id != null) return (Guid) id; else return Guid.Empty; } set { CallContext.LogicalSetData(activityIdSlotName, value); } } public Stack LogicalOperationStack { get { return GetLogicalOperationStack(); } } public void StartLogicalOperation(object operationId) { if (operationId == null) throw new ArgumentNullException("operationId"); Stack idStack = GetLogicalOperationStack(); idStack.Push(operationId); } public void StartLogicalOperation() { StartLogicalOperation(Guid.NewGuid()); } public void StopLogicalOperation() { Stack idStack = GetLogicalOperationStack(); idStack.Pop(); } private Stack GetLogicalOperationStack() { Stack idStack = CallContext.LogicalGetData(transactionSlotName) as Stack; if (idStack == null) { idStack = new Stack(); CallContext.LogicalSetData(transactionSlotName, idStack); } return idStack; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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