private Status Write <T>(T obj, Operation op, Predicate <T> where = null) where T : class, new()
{
SqlConnection connection = new SqlConnection(_conn);
Status status = Status.Ok;
try
{
ISqlRepositoryAdapter adapter = SqlCache.AdapterFor <T>();
if (adapter == null)
{
throw new InvalidOperationException(
string.Format("unable to use model '{0}' with sql store - not registered", typeof(T)));
}
connection.Open();
status = adapter.Write(connection, obj, op);
}
catch (Exception err)
{
status = new Status(err);
}
finally
{
connection.Close();
}
return(status);
}
public IEnumerable <T> Load <T>(Predicate <T> filter = null) where T : class, new()
{
SqlConnection connection = new SqlConnection(_conn);
IEnumerable <T> collection = Enumerable.Empty <T>();
try
{
ISqlRepositoryAdapter adapter = SqlCache.AdapterFor <T>();
if (adapter == null)
{
throw new InvalidOperationException(
string.Format("unable to use model '{0}' with sql store - not registered", typeof(T)));
}
connection.Open();
collection = (adapter as ISqlRepositoryAdapter <T>).Read(connection);
}
catch (Exception err)
{
}
finally
{
connection.Close();
}
return(collection);
}
internal static void RegisterAdapter <T>(ISqlRepositoryAdapter adapter)
{
if (_adapters.ContainsKey(typeof(T)))
{
throw new InvalidOperationException(
string.Format("adapter for '{0}' is already registered", typeof(T)));
}
_adapters.Add(typeof(T), adapter);
}
