public UnitFactory()
{
if (factory == null || factory.Count == 0)
{
RepositoryConfiguration configuration = RepositoryConfiguration.GetConfig();
RepositoryCollection col = configuration.RepositoryCollection;
IEnumerable <Repository> Repo = col.Cast <Repository>();
factory = new Dictionary <string, Type>();
foreach (Repository item in Repo)
{
Type type = Type.GetType(item.DataBase);
factory.Add(item.RepositoryName, type);
}
}
}