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Anurag Agarwal
01e489c77b
* Reduces checkstyle errors in dao * Reduces checkstyle errors in data-bus * Reduces checkstyle errors in data-locality * Reduces checkstyle errors in data-mapper * Reduces checkstyle errors in data-transfer-object * Reduces checkstyle errors in decorator
layout, title, folder, permalink, categories, tags
| layout | title | folder | permalink | categories | tags | ||
|---|---|---|---|---|---|---|---|
| pattern | Data Access Object | dao | /patterns/dao/ | Persistence Tier |
|
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