82 lines
3.3 KiB
C#
82 lines
3.3 KiB
C#
// <copyright>
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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namespace System.ServiceModel.Activities
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{
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using System;
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using System.Collections.Specialized;
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using System.Configuration;
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internal static class AppSettings
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{
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private static volatile bool settingsInitialized = false;
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private static object appSettingsLock = new object();
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// false [default] to NOT have InstanceKeys automatically disassociated by default, so that they stay around until the completion of the workflow.
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// true to have InstanceKeys automatically dissociated by default. Doing this affects the extensibility point WorkflowInstance.OnDisassociateKeys.
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// <add key="microsoft:WorkflowServices:DefaultAutomaticInstanceKeyDisassociation" value="true"/>
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//
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// NOTE - There is a similar setting in System.Activities because the changes affected by this are in both assemblies.
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private static bool defaultAutomaticInstanceKeyDisassociation;
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// The number of seconds to wait for non-protocol bookmarks if we receive a request, but the protocol bookmark for that Receive activity is not ready.
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// Default = 60 (1 minute).
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// A value of 0 implies that we should not wait at all and the "out of order" exception should be thrown, rather than the timeout exception.
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// <add key="microsoft:WorkflowServices:FilterResumeTimeoutInSeconds" value="60"/>
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private static int filterResumeTimeoutInSeconds;
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internal static bool DefaultAutomaticInstanceKeyDisassociation
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{
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get
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{
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EnsureSettingsLoaded();
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return defaultAutomaticInstanceKeyDisassociation;
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}
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}
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internal static int FilterResumeTimeoutInSeconds
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{
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get
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{
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EnsureSettingsLoaded();
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return filterResumeTimeoutInSeconds;
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}
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}
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private static void EnsureSettingsLoaded()
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{
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if (!settingsInitialized)
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{
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lock (appSettingsLock)
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{
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if (!settingsInitialized)
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{
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NameValueCollection settings = null;
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try
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{
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settings = ConfigurationManager.AppSettings;
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}
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finally
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{
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if (settings == null || !bool.TryParse(settings["microsoft:WorkflowServices:DefaultAutomaticInstanceKeyDisassociation"], out defaultAutomaticInstanceKeyDisassociation))
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{
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defaultAutomaticInstanceKeyDisassociation = false;
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}
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if (settings == null || !int.TryParse(settings["microsoft:WorkflowServices:FilterResumeTimeoutInSeconds"], out filterResumeTimeoutInSeconds) ||
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(filterResumeTimeoutInSeconds < 0))
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{
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filterResumeTimeoutInSeconds = 60;
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}
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settingsInitialized = true;
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}
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}
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}
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}
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}
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}
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}
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