Relationship of object/object_id
2018-08-09 本文已影响0人
杨小伟的世界
object
+-----------------------------------------------+
|space_id | typedef object_id<protocol_ids, limit_order_object_type,limit_order_object>;
|type_id | limit_order_id_type
|id <---------|------>+-----------------------------------+
| (object_id_type) | |space_id = protocol_ids |
+-----------------------------------------------+ |type_id = limit_order_object_type |
^ |instance |
| +-----------------------------------+
|
|
abstract_object
+-----------------------------------------------+
|pack() |
|hash() |
| |
+-----------------------------------------------+
^
|
|
limit_order_object |
+-----------------------------------------------+
|space_id = protocol_ids |
|type_id = limit_order_object_type |
+-----------------------------------------------+
