Use both Class Table and Single Table inheritance in Castle Activerecord?

Question

In Castle Activerecord (on top of NHibernate), is it possible to use class table inheritance globally, and single table inheritance on part of the inheritance tree? I would like to do something like

/// <summary>
/// Base class for models
/// </summary>
[ActiveRecord("model"), JoinedBase]
public abstract class Model: ActiveRecordBase
{
    /// <summary>
    /// Primary Key
    /// </summary>
    [PrimaryKey(PrimaryKeyType.UuidHex, "ROWID", Params = "format=D,separator=-")]
    public virtual string Id { get; set; }

    [Property("name")]
    public string Name { get; set; }

    [Property("description")]
    public string Description{ get; set; }

}

/// <summary>
/// A container
/// </summary>
[ActiveRecord("container")]
public class Container : Model
{
    /// <summary>
    /// Gets the container id
    /// </summary>
    [JoinedKey("container_id")]
    public override string Id
    {
        get { return base.Id; }
        set { base.Id = value; }
    }
}

/// <summary>
/// A glass
/// </summary>
[ActiveRecord("container",
              DiscriminatorColumn = "container_type",
              DiscriminatorValue = "1"
)]
public class Glass : Container
{
}

So that all the common "stuff" (like name, description, etc) is in the "model" table, but I can still use STI on the "container" table. Or is this a waste of time and should I go to STI for the whole thing?

Thanks in advance, Jim