/// <summary>
/// Calls the stored procedure and maps the result to the returned entity
/// </summary>
/// <typeparam name="TStoredProcedure">Type of stored procedure</typeparam>
/// <param name="initialise">Action to initialise stored procedure - e.g. set up input parameters</param>
/// <param name="execute">Function to execute the stored procedure and return a data reader</param>
/// <returns>Populated entity</returns>
public TEntity From <TStoredProcedure>(Action <TStoredProcedure> initialise, Expression <Func <TStoredProcedure, IDataReader> > execute)
where TStoredProcedure : IDisposable, new()
{
if (_map == null)
{
throw new InvalidOperationException("Map must be populated from With<> call");
}
TEntity entity = new TEntity();
using (TStoredProcedure sp = new TStoredProcedure())
{
initialise(sp);
Func <TStoredProcedure, IDataReader> executor = execute.Compile();
using (IDataReader reader = executor.Invoke(sp))
{
if (entity is IList)
{
_map.PopulateList((IList)entity, reader);
}
else
{
if (reader.Read())
{
_map.Populate(entity, reader);
}
}
}
}
return(entity);
}
private void RunMap(TEntity entity, IDataReader reader)
{
IList list = entity as IList;
if (list != null)
{
_dataReaderMap.PopulateList(list, reader);
}
else
{
if (reader.Read())
{
_dataReaderMap.Populate(entity, reader);
}
}
}
