Fix some problems in extensions' configuration loading

Author: alex-kulakov

Extensions/Xtensive.Orm.Reprocessing/Configuration/ReprocessingConfigurationReader.cs

@@ -9,7 +9,7 @@ internal sealed class ReprocessingConfigurationReader : IConfigurationSectionRea
     // intermediate class for reading section
     private class ReprocessingOptions
     {
-      public TransactionOpenMode DefaultTransactionOpenMode { get; set; }
+      public TransactionOpenMode? DefaultTransactionOpenMode { get; set; }
 
       public string DefaultExecuteStrategy { get; set; }
     }
@@ -47,7 +47,7 @@ private ReprocessingConfiguration ReadInternal(IConfigurationSection section)
 
       var result = new ReprocessingConfiguration();
       if (reprocessingOptions.DefaultTransactionOpenMode != default) {
-        result.DefaultTransactionOpenMode = reprocessingOptions.DefaultTransactionOpenMode;
+        result.DefaultTransactionOpenMode = reprocessingOptions.DefaultTransactionOpenMode.Value;
       }
       if (!string.IsNullOrEmpty(reprocessingOptions.DefaultExecuteStrategy)) {
         var type = Type.GetType(reprocessingOptions.DefaultExecuteStrategy, false);

Extensions/Xtensive.Orm.Security/Configuration/Elements/ConfigurationSection.cs

@@ -21,26 +21,29 @@ public class ConfigurationSection : System.Configuration.ConfigurationSection
     [Obsolete("Use SecurityConfiguration.DefaultSectionName instead")]
     public static readonly string DefaultSectionName = "Xtensive.Orm.Security";
 
+    private const string HashingServiceElementName = "hashingService";
+    private const string AuthenticationServiceElementName = "authenticationService";
+
     /// <summary>
     /// Gets or sets the hashing service.
     /// </summary>
     /// <value>The hashing service.</value>
-    [ConfigurationProperty(SecurityConfiguration.HashingServiceElementName, IsRequired = false)]
+    [ConfigurationProperty(HashingServiceElementName, IsRequired = false)]
     public HashingServiceConfigurationElement HashingService
     {
-      get { return (HashingServiceConfigurationElement) this[SecurityConfiguration.HashingServiceElementName]; }
-      set { this[SecurityConfiguration.HashingServiceElementName] = value; }
+      get { return (HashingServiceConfigurationElement) this[HashingServiceElementName]; }
+      set { this[HashingServiceElementName] = value; }
     }
 
     /// <summary>
     /// Gets or sets the authentication service.
     /// </summary>
     /// <value>The authentication service.</value>
-    [ConfigurationProperty(SecurityConfiguration.AuthenticationServiceElementName, IsRequired = false)]
+    [ConfigurationProperty(AuthenticationServiceElementName, IsRequired = false)]
     public AuthenticationServiceConfigurationElement AuthenticationService
     {
-      get { return (AuthenticationServiceConfigurationElement) this[SecurityConfiguration.AuthenticationServiceElementName]; }
-      set { this[SecurityConfiguration.AuthenticationServiceElementName] = value; }
+      get { return (AuthenticationServiceConfigurationElement) this[AuthenticationServiceElementName]; }
+      set { this[AuthenticationServiceElementName] = value; }
     }
   }
 }