Hook: React to Adding or Removing Of SalesPoint

Requirement

A reaction is necessary, whenever a SalesPoint is added to, or removed from, the Shop.

Method of Adaptation

Augment feature

Level of Support

Parameter Pattern

HotSpot

Application architecture

Hooks used

Incorporate new Shop

Participants

Shop, NewShop

Changes

1. subclass NewShop of Shop.
2. if reaction to adding of SalesPoints necessary:
1. NewShop.onSalesPointAdded overrides Shop.onSalesPointAdded .
2. synchronisation (Shop.onSalesPointAdded, additional reactions).
3. if reaction to removal of SalesPoints necessary:
1. NewShop.onSalesPointRemoved overrides Shop.onSalesPointRemoved .
2. synchronisation (Shop.onSalesPointRemoved, additional reactions).
4. Incorporate new Shop [NewShop = NewShop].

Comments

• If you need to write a log entry when a point of sale was opened or closed, rather use Log Opening And Closing Of SalesPoints .