Remove a lot of obsolete members and types

Only which is marked so in v5 or older versions

Author: alex-kulakov

Orm/Xtensive.Orm/Orm/Attributes/CompilerContainerAttribute.cs

@@ -18,12 +18,6 @@ namespace Xtensive.Orm
   [MeansImplicitUse]
   public sealed class CompilerContainerAttribute : Attribute
   {
-    /// <summary>
-    /// Gets the target type (i.e. type this compiler translates to).
-    /// </summary>
-    [Obsolete("Use TargetType instead")]
-    public Type ExtensionType { get { return TargetType; } }
-
     /// <summary>
     /// Gets the target type (i.e. type this compiler translates to).
     /// </summary>

Orm/Xtensive.Orm/Orm/Building/BuildingContext.cs

@@ -29,29 +29,6 @@ public sealed class BuildingContext
     internal Graph<TypeDef> DependencyGraph { get; private set; }
     internal Validator Validator { get; private set; }
 
-    #region Current property & Demand() method
-
-    /// <summary>
-    /// Gets the current <see cref="BuildingContext"/>.
-    /// </summary>
-    [Obsolete("This property will be removed in future versions.")]
-    public static BuildingContext Current { get { return BuildingScope.Context; } }
-
-    /// <summary>
-    /// Gets the current <see cref="BuildingContext"/>, or throws <see cref="InvalidOperationException"/>, if active context is not found.
-    /// </summary>
-    /// <returns>Current context.</returns>
-    [Obsolete("This method will be removed in future versions.")]
-    public static BuildingContext Demand()
-    {
-      var current = BuildingScope.Context;
-      if (current==null)
-        throw Exceptions.ContextRequired<BuildingContext, BuildingScope>();
-      return current;
-    }
-
-    #endregion
-
     /// <summary>
     /// Gets the configuration of the building <see cref="Orm.Domain"/>.
     /// </summary>

Orm/Xtensive.Orm/Orm/Configuration/DomainConfiguration.cs

@@ -22,13 +22,6 @@ public class DomainConfiguration : ConfigurationBase
   {
     #region Defaults
 
-    /// <summary>
-    /// Default <see cref="SectionName"/> value:
-    /// "<see langword="Xtensive.Orm" />".
-    /// </summary>
-    [Obsolete("Use WellKnown.DefaultConfigurationSection instead."), UsedImplicitly]
-    public const string DefaultSectionName = WellKnown.DefaultConfigurationSection;
-
     /// <summary>
     /// Default <see cref="DomainConfiguration.KeyCacheSize"/> value: 
     /// <see langword="16*1024" />.

Orm/Xtensive.Orm/Orm/EntityExtensions.cs

@@ -14,13 +14,6 @@ namespace Xtensive.Orm
   /// </summary>
   public interface IOperationSequence : IEnumerable<IOperation>, Core.IOperationSequence
   {
-    /// <summary>
-    /// Applies this operation sequence to the <see cref="Session.Current"/> session.
-    /// </summary>
-    /// <returns>Key mapping.</returns>
-    [Obsolete("Use Replay(Session) method instead.")]
-    KeyMapping Replay();
-
     /// <summary>
     /// Applies this operation sequence to the specified session.
     /// </summary>

Orm/Xtensive.Orm/Orm/Interfaces/IOperationSequence.cs

@@ -50,13 +50,6 @@ public void Log(IEnumerable<IOperation> source)
       }
     }
 
-    /// <inheritdoc/>
-    [Obsolete("Use Replay(Session) instead.")]
-    public KeyMapping Replay()
-    {
-      return Replay(Session.Demand());
-    }
-
     /// <inheritdoc/>
     public KeyMapping Replay(Session session)
     {

Orm/Xtensive.Orm/Orm/OperationLog.cs

@@ -101,20 +101,6 @@ private void DetachEventHandlers()
 
     // Factory methods
 
-    /// <summary>
-    /// Attaches the operation capturer to the current session.
-    /// </summary>
-    /// <param name="operations">The operation logger to append captured operations to.</param>
-    /// <returns>
-    /// A newly created <see cref="OperationCapturer"/> attached
-    /// to the current session.
-    /// </returns>
-    [Obsolete("Use Attach(Session, IOperationLogger) instead")]
-    public static OperationCapturer Attach(IOperationLogger operations)
-    {
-      return Attach(Session.Demand(), operations);
-    }
-
     /// <summary>
     /// Attaches the operation capturer to the specified session.
     /// </summary>

Orm/Xtensive.Orm/Orm/Operations/OperationCapturer.cs

@@ -76,10 +76,5 @@ public enum ProviderFeatures : long
     Paging = Take | Skip,
     NativePaging = NativeTake | NativeSkip,
     Batches = DdlBatches | DmlBatches,
-
-    // Obsolete features
-    [Obsolete("Use ProviderFeatures.ExclusiveWriterConnection instead.")]
-    SingleSessionAccess = ExclusiveWriterConnection,
-    
   }
 }

Orm/Xtensive.Orm/Orm/Providers/ProviderFeatures.cs

@@ -241,29 +241,6 @@ public static IQueryable<TResult> LeftJoin<TOuter, TInner, TKey, TResult>(this I
       return outer.Provider.CreateQuery<TResult>(expression);
     }
 
-    /// <summary>
-    /// Removes the specified entities using <see cref="Session.Remove{T}"/> method of <see cref="Session"/>. 
-    /// </summary>
-    /// <typeparam name="T">Entity type.</typeparam>
-    /// <param name="entities">The entities.</param>
-    ///  <exception cref="ReferentialIntegrityException">
-    /// Entity is associated with another entity with <see cref="OnRemoveAction.Deny"/> on-remove action.
-    /// </exception>
-    [Obsolete("Use Session.Remove() instead.")]
-    public static void Remove<T>([InstantHandle] this IEnumerable<T> entities)
-      where T : IEntity
-    {
-      var session = Session.Current;
-      if (session != null)
-        session.Remove(entities);
-      else {
-        var items = entities.Where(e => e != null).ToList();
-        if (items.Count == 0)
-          return;
-        items[0].Session.Remove(items);
-      }
-    }
-
     /// <summary>
     /// Runs query to database asynchronously  and returns completed task for other <see cref="IQueryable{T}"/>.
     /// </summary>