Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/SQOverviewFactory.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/SQOverviewFactory.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.artifacts.model; | |
| 2 | |
| 3 import org.dive4elements.river.artifacts.cache.CacheFactory; | |
| 4 | |
| 5 import org.dive4elements.river.backend.SedDBSessionHolder; | |
| 6 | |
| 7 import net.sf.ehcache.Cache; | |
| 8 import net.sf.ehcache.Element; | |
| 9 | |
| 10 import org.apache.log4j.Logger; | |
| 11 | |
| 12 import org.hibernate.Session; | |
| 13 | |
| 14 public class SQOverviewFactory { | |
| 15 | |
| 16 private static Logger log = Logger.getLogger(SQOverviewFactory.class); | |
| 17 | |
| 18 public static final String CACHE_NAME = "sq-overviews"; | |
| 19 | |
| 20 private SQOverviewFactory() { | |
| 21 } | |
| 22 | |
| 23 | |
| 24 public static SQOverview getOverview(String river) { | |
| 25 | |
| 26 boolean debug = log.isDebugEnabled(); | |
| 27 | |
| 28 if (debug) { | |
| 29 log.debug( | |
| 30 "Looking for sq overview for river '" + river + "'"); | |
| 31 } | |
| 32 | |
| 33 Cache cache = CacheFactory.getCache(CACHE_NAME); | |
| 34 | |
| 35 if (cache == null) { | |
| 36 if (debug) { | |
| 37 log.debug("Cache not configured."); | |
| 38 } | |
| 39 return getUncached(river); | |
| 40 } | |
| 41 | |
| 42 String key = "sq-over-" + river; | |
| 43 | |
| 44 Element element = cache.get(key); | |
| 45 | |
| 46 if (element != null) { | |
| 47 if (debug) { | |
| 48 log.debug("Overview found in cache"); | |
| 49 } | |
| 50 return (SQOverview)element.getValue(); | |
| 51 } | |
| 52 | |
| 53 SQOverview overview = getUncached(river); | |
| 54 | |
| 55 if (overview != null) { | |
| 56 if (debug) { | |
| 57 log.debug("Store overview in cache."); | |
| 58 } | |
| 59 cache.put(new Element(key, overview)); | |
| 60 } | |
| 61 | |
| 62 return overview; | |
| 63 } | |
| 64 | |
| 65 public static SQOverview getUncached(String river) { | |
| 66 SQOverview overview = new SQOverview(river); | |
| 67 | |
| 68 Session session = SedDBSessionHolder.HOLDER.get(); | |
| 69 | |
| 70 return overview.load(session) ? overview : null; | |
| 71 } | |
| 72 } | |
| 73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |