protected T FindOrCreate <T>(Expression <Func <T, bool> > pred, bool returnExisting)
where T : class, new()
{
var entity = EntityFactory.Find(pred, EntitySource);
if (entity != null)
{
if (!returnExisting)
{
return(null);
}
EntityFactory.Attach(entity);
return(entity);
}
else
{
return(EntityFactory.Create <T>());
}
}
