Mercurial > dive4elements > gnv-client
comparison geo-backend/src/main/java/de/intevation/gnv/geobackend/base/query/container/QueryContainerFactory.java @ 541:3cbf11c67fdc
Experimental caching of SQL results via Ehache
geo-backend/trunk@462 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Fri, 18 Dec 2009 16:13:52 +0000 |
| parents | 5a583cff97ea |
| children | 1c3efbd2fc5a |
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| 385:27082b83c267 | 541:3cbf11c67fdc |
|---|---|
| 40 | 40 |
| 41 /** | 41 /** |
| 42 * This Method provides an singleton Instance of this Class. | 42 * This Method provides an singleton Instance of this Class. |
| 43 * @return an singleton Instance of this Class | 43 * @return an singleton Instance of this Class |
| 44 */ | 44 */ |
| 45 public static QueryContainerFactory getInstance(){ | 45 public static synchronized QueryContainerFactory getInstance(){ |
| 46 if (instance == null){ | 46 if (instance == null){ |
| 47 instance = new QueryContainerFactory(); | 47 instance = new QueryContainerFactory(); |
| 48 } | 48 } |
| 49 return instance; | 49 return instance; |
| 50 } | 50 } |