5ce932ceb7
- properly categorize all patterns - remove pattern list from readme - minor fixes to readme - removed "introduction" because its not a pattern and an error i committed some time ago
503 B
503 B
layout, title, folder, permalink, categories, tags
| layout | title | folder | permalink | categories | tags |
|---|---|---|---|---|---|
| pattern | Data Access Object | dao | /patterns/dao/ | Architectural | Java |
Intent: Object provides an abstract interface to some type of database or other persistence mechanism.
Applicability: Use the Data Access Object in any of the following situations
- when you want to consolidate how the data layer is accessed
- when you want to avoid writing multiple data retrieval/persistence layers