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resources (Connection, Statement and resultSet) until the stream is closed by the consumer. So try-with-resources is not an option as per sonarqube’s recommendation. But it is still recommended to close statement and result set. When connection pool used, connection is not closed when close() called. It is just returned to the pool. Using //NOSONAR to avoid false blocker issue.
layout, title, folder, permalink, pumlid, categories, tags
| layout | title | folder | permalink | pumlid | categories | tags | ||
|---|---|---|---|---|---|---|---|---|
| pattern | Data Access Object | dao | /patterns/dao/ | 5SR14OKW30N0LhG0oVrt4o6ZE12Ov4NR_thQNQlc5aN2sd82qtz4naywAixOmyNoK8WYvT6fjdWOR7JnpLiHhuTkam4nTUhiRwZm847-J64zpUZj3m00 | 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