/// <summary>
/// Initializes a new instance of the <see cref="ItemSchemeImportEngine{T,TItem}"/> class.
/// </summary>
/// <param name="database">
/// The mapping store database instance.
/// </param>
/// <param name="factory">
/// The <see cref="IItemImportEngine{T}"/> factory. Optional
/// </param>
protected ItemSchemeImportEngine(Database database, IItemImportFactory <TItem> factory)
: base(database)
{
factory = factory ?? new ItemImportFactory <TItem>();
this._itemImportEngine = factory.GetItemImport();
}
