private static Expression BuildReadRowCaseGetValue(ParameterExpression dbDataReader, ParameterExpression i, DbDataReaderMapperItem item)
{
return(
item.DbDataReader_GetValue_MethodInfo == DbDataReaderDefinitions.GetValue || item.IsValueTypeNullable || item.IsValueTypeEnum ?
(Expression)Expression.Convert(
Expression.Call(dbDataReader, item.DbDataReader_GetValue_MethodInfo, i),
item.ItemType
) :
(Expression)Expression.Call(dbDataReader, item.DbDataReader_GetValue_MethodInfo, i)
);
}
private static Expression BuildReadRowCase(ParameterExpression dbDataReader, ParameterExpression i, ParameterExpression obj, ParameterExpression allowDBNullList, DbDataReaderMapperItem item)
{
return(Expression.IfThenElse(
Expression.AndAlso(
Expression.ArrayAccess(allowDBNullList, i),
Call(dbDataReader, DbDataReaderDefinitions.IsDBNull, i)
),
Expression.Empty()
,
item is DbDataReaderMapperProperty dataReaderMapperProperty ?
BuildReadRowCaseSetValue(dbDataReader, i, obj, dataReaderMapperProperty) :
BuildReadRowCaseSetValue(dbDataReader, i, obj, (DbDataReaderMapperField)item)
));;
}