protected void CheckParameterName(string paramName, SingleEntityView view)
{
if ((!string.IsNullOrEmpty(view.Alias)) && paramName != view.Alias)
{
ParseExceptionHelper.ThrowParameterNameNotMatchViewAlias(paramName, view.Alias, view.EntityType);
}
}
public static string ChooseNameFromView(this ParameterExpression p, IEnumerable <SingleEntityView> svList, IObjectMapInfoCache cache)
{
var matchType = from v in svList
where v.EntityType == p.Type
select v;
switch (matchType.Count())
{
case 0:
ParseExceptionHelper.ThrowTypeNotDefinedInView(p);
break;
case 1:
SingleEntityView view = matchType.First();
if ((!string.IsNullOrEmpty(view.Alias)) && view.Alias != p.Name)
{
ParseExceptionHelper.ThrowParameterNameNotMatchViewAlias(p.Name, view.Alias, view.EntityType);
}
if (!string.IsNullOrEmpty(view.Alias))
{
return(view.Alias);
}
else
{
var map = cache.GetMapInfo(p.Type, true);
return(map.Table.LocalName);
}
default:
var q = from v in matchType
where v.Alias == p.Name
select v;
switch (q.Count())
{
case 0:
ParseExceptionHelper.ThrowNoAliasForParameterName(p);
break;
case 1:
return(q.First().Alias);
default:
ParseExceptionHelper.ThrowMultiTypeHaveSameAlias(p);
break;
}
break;
}
return(string.Empty);
}