| layout | title | folder | permalink | categories | tags | |||
|---|---|---|---|---|---|---|---|---|
pattern |
Dirty Flag |
dirty-flag |
/patterns/dirty-flag/ |
Other |
|
To avoid expensive re-acquisition of resources. The resources retain their identity, are kept in some fast-access storage, and are re-used to avoid having to acquire them again.
Use the Dirty Flag pattern when
- Repetitious acquisition, initialization, and release of the same resource causes unnecessary performance overhead.