internal void MapResult(object instanceToLoad, StormParameterMappedAttribute attribute, OracleCommand cmd)
{
if (attribute.ParameterDirection == System.Data.ParameterDirection.Output || attribute.ParameterDirection == System.Data.ParameterDirection.InputOutput)
{
if ((attribute.SupressEvents & StormPersistenceEvents.Load) != StormPersistenceEvents.Load)
{
object dbValue = DbTypeMap.UnBoxOracleType(cmd.Parameters[attribute.ParameterName].Value);
Type destType = attribute.AttachedTo.PropertyType;
if (dbValue != null && dbValue != DBNull.Value)
attribute.AttachedTo.SetValue(instanceToLoad, Convert.ChangeType(dbValue, destType), null);
else
attribute.AttachedTo.SetValue(instanceToLoad, null, null);
}
}
}
private void ValidateParameterMapping(DataTable procedureArgumentsTable, StormParameterMappedAttribute mapping)
{
// assuming the columns, in order, are: {ARGUMENT_NAME, DATA_TYPE, IN_OUT}
string paramName = mapping.ParameterName.ToUpper(); // the names retreived from Oracle are all upper case.
foreach (DataRow dr in procedureArgumentsTable.Rows)
{
if ((string)dr[0] == paramName)
{
// check data type
OracleDbType columnType = DbTypeMap.ConvertNameToDbType((string)dr[1]);
Type systemType = DbTypeMap.ConvertDbTypeToType(columnType);
if (mapping.AttachedTo.PropertyType != systemType)
throw new StormConfigurationException("The parameter named [" + mapping.ParameterName + "] is of type [" + systemType.FullName + "] but is mapped to a property with type [" + mapping.AttachedTo.PropertyType.FullName + "].");
// check direction
if (mapping.ParameterDirection == ParameterDirection.Input)
{
if ((string)dr[2] != "IN")
throw new StormConfigurationException("Invalid mapping. The parameter named [" + mapping.ParameterName + "] is marked as an Input parameter, but the DB thinks it is [" + (string)dr[3] + "].");
}
else if (mapping.ParameterDirection == ParameterDirection.InputOutput)
{
if ((string)dr[2] != "IN/OUT")
throw new StormConfigurationException("Invalid mapping. The parameter named [" + mapping.ParameterName + "] is marked as an Input/Output parameter, but the DB thinks it is [" + (string)dr[3] + "].");
}
else if (mapping.ParameterDirection == ParameterDirection.Output)
{
if ((string)dr[2] != "OUT")
throw new StormConfigurationException("Invalid mapping. The parameter named [" + mapping.ParameterName + "] is marked as an Output parameter, but the DB thinks it is [" + (string)dr[3] + "].");
}
// valid mapping
return;
}
}
throw new StormConfigurationException("Invalid mapping. No parameter named [" + mapping.ParameterName + "] exists.");
}