public PropertyDescriptor(string name, GenerateByAttribute generateBy, KeyAttribute keyAttribute, Type clrType, ColumnTypeAttribute columnType)
{
Name = name;
GenerateBy = generateBy;
Key = keyAttribute;
ClrType = clrType;
ColumnType = columnType;
}
internal MapperBase GetMapper(Type propertyType, ColumnTypeAttribute columnType = null)
{
var mapper = TryGetMapper(propertyType, columnType);
if (mapper == null)
{
if (columnType == null)
{
columnType = GetDefaultColumnType(propertyType);
}
throw new Exception(string.Format("Mapper not found: {0} <-> {1}", propertyType, columnType));
}
return(mapper);
}
private void AsignColTypeAttrToDef(ColumnFieldDefinition colunmF,
ColumnTypeAttribute colTypeAttr, PropertyInfo prop)
{
if (colTypeAttr != null)
{
colunmF.PropName = prop.Name;
colunmF.FieldType = colTypeAttr.DBType;
colunmF.Length = colTypeAttr.Length;
colunmF.Nullable = colTypeAttr.Nullable;
colunmF.Comment = colTypeAttr.Comment;
}
else
{
colunmF.PropName = prop.Name;
colunmF.FieldType = Dapper.SqlMapper.LookupDbType(prop.PropertyType, prop.Name);
}
}
internal MapperBase TryGetMapper(Type propertyType, ColumnTypeAttribute columnType = null)
{
if (IsEnum(propertyType))
{
propertyType = typeof(Enum);
}
if (columnType == null)
{
if (!_defaultTypeAttributes.ContainsKey(propertyType))
{
return(null);
}
columnType = _defaultTypeAttributes[propertyType];
}
var key = new KeyValuePair <Type, ColumnTypeAttribute>(propertyType, columnType);
return(_mappers.ContainsKey(key) ? _mappers[key] : null);
}
private ColumnFieldDefinition GetColumnFieldDefByProprty(PropertyInfo prop)
{
object[] attrs = prop.GetCustomAttributes(true);
var ret = new ColumnFieldDefinition();
ColumnNameAttribute colNameAttr = null;
ColumnTypeAttribute colTypeAttr = null;
foreach (object attr in attrs)
{
if (attr.GetType().Equals(typeof(ColumnNameAttribute)))
{
colNameAttr = attr as ColumnNameAttribute;
}
if (attr.GetType().Equals(typeof(ColumnTypeAttribute)))
{
colTypeAttr = attr as ColumnTypeAttribute;
}
}
AsignColNameAttrToDef(ret, colNameAttr, prop);
AsignColTypeAttrToDef(ret, colTypeAttr, prop);
return(ret);
}
public ConvertExpression(ColumnTypeAttribute toType, ColumnExpression column, Type type) : base(ExpressionType.Default, type)
{
ToType = toType;
Column = column;
}
public MapperBase(Type propertyType, ColumnTypeAttribute columnType)
{
PropertyType = propertyType;
ColumnType = columnType;
}
