Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/Dispatcher/SharedRuntimeState.cs

@@ -0,0 +1,65 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace System.ServiceModel.Dispatcher
+{
+    using System;
+
+    class SharedRuntimeState
+    {
+        bool isImmutable;
+        bool enableFaults = true;
+        bool isOnServer;
+        bool manualAddressing;
+        bool validateMustUnderstand = true;
+
+        internal SharedRuntimeState(bool isOnServer)
+        {
+            this.isOnServer = isOnServer;
+        }
+
+        internal bool EnableFaults
+        {
+            get { return this.enableFaults; }
+            set { this.enableFaults = value; }
+        }
+
+        internal bool IsOnServer
+        {
+            get { return this.isOnServer; }
+        }
+
+        internal bool ManualAddressing
+        {
+            get { return this.manualAddressing; }
+            set { this.manualAddressing = value; }
+        }
+
+        internal bool ValidateMustUnderstand
+        {
+            get { return this.validateMustUnderstand; }
+            set { this.validateMustUnderstand = value; }
+        }
+
+        internal void LockDownProperties()
+        {
+            this.isImmutable = true;
+        }
+
+        internal void ThrowIfImmutable()
+        {
+            if (this.isImmutable)
+            {
+                if (this.IsOnServer)
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SFxImmutableServiceHostBehavior0)));
+                }
+                else
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SFxImmutableChannelFactoryBehavior0)));
+                }
+            }
+        }
+    }
+}