public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == null || dbValue == DBNull.Value)
return null;
else
return Enum.Parse(map.FieldType, (string)dbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
int val = (int)dbValue;
if (val == 1)
{
return true;
}
else if (val == 0)
{
return false;
}
else
{
throw new ConversionException(
string.Format(
"The BooleanCharConverter could not convert the value '{0}' to a boolean.",
dbValue));
}
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == null || dbValue == DBNull.Value)
return null;
else
return Enum.ToObject(map.FieldType, (int)dbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
string val = dbValue.ToString();
if (val == "Y")
{
return true;
}
else if (val == "N")
{
return false;
}
else
{
throw new ConversionException(
string.Format(
"The BooleanYNConverter could not convert the value '{0}' to a boolean.",
dbValue));
}
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
if (dbValue is Double)
{
return dbValue;
}
return Convert.ToDouble(dbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
if (dbValue is int)
{
return dbValue;
}
return Convert.ToInt32(dbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
if (dbValue is TimeSpan)
{
return dbValue;
}
return TimeSpan.Parse(dbValue.ToString(), CultureInfo.InvariantCulture);
}
/// <summary>
/// Tries to add a ColumnMap for the given field name.
/// Throws and exception if field cannot be found.
/// </summary>
private void TryAddColumnMapForField(string fieldName)
{
// Set strategy to filter for public or private fields
ConventionMapStrategy strategy = new ConventionMapStrategy(false);
// Find the field that matches the given field name
strategy.ColumnPredicate = mi => mi.Name == fieldName;
ColumnMap columnMap = strategy.MapColumns(typeof(TEntity)).FirstOrDefault();
if (columnMap == null)
{
throw new DataMappingException(string.Format("Could not find the field '{0}' in '{1}'.",
fieldName,
typeof(TEntity).Name));
}
MappedColumns.Add(columnMap);
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext { ColumnMap = map, DbValue = dbValue });
}
public ColumnMapInfo(ColumnMap column, bool isAlt, Type type)
{
Map = column;
IsAlt = isAlt;
Type = type;
}