Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedloadOverviewFactory.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/BedloadOverviewFactory.java@ae598cf50682 |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.artifacts.model.minfo; | |
| 2 | |
| 3 import net.sf.ehcache.Cache; | |
| 4 import net.sf.ehcache.Element; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 import org.hibernate.Session; | |
| 8 | |
| 9 import org.dive4elements.river.artifacts.cache.CacheFactory; | |
| 10 import org.dive4elements.river.backend.SedDBSessionHolder; | |
| 11 | |
| 12 public class BedloadOverviewFactory { | |
| 13 | |
| 14 private static Logger log = Logger.getLogger(BedloadOverviewFactory.class); | |
| 15 | |
| 16 public static final String CACHE_NAME = "sq-overviews"; | |
| 17 | |
| 18 private BedloadOverviewFactory() { | |
| 19 } | |
| 20 | |
| 21 | |
| 22 public static BedloadOverview getOverview(String river) { | |
| 23 | |
| 24 boolean debug = log.isDebugEnabled(); | |
| 25 | |
| 26 if (debug) { | |
| 27 log.debug( | |
| 28 "Looking for bedload overview for river '" + river + "'"); | |
| 29 } | |
| 30 | |
| 31 Cache cache = CacheFactory.getCache(CACHE_NAME); | |
| 32 | |
| 33 if (cache == null) { | |
| 34 if (debug) { | |
| 35 log.debug("Cache not configured."); | |
| 36 } | |
| 37 return getUncached(river); | |
| 38 } | |
| 39 | |
| 40 String key = "bedload-over-" + river; | |
| 41 | |
| 42 Element element = cache.get(key); | |
| 43 | |
| 44 if (element != null) { | |
| 45 if (debug) { | |
| 46 log.debug("Overview found in cache"); | |
| 47 } | |
| 48 return (BedloadOverview)element.getValue(); | |
| 49 } | |
| 50 | |
| 51 BedloadOverview overview = getUncached(river); | |
| 52 | |
| 53 if (overview != null) { | |
| 54 if (debug) { | |
| 55 log.debug("Store overview in cache."); | |
| 56 } | |
| 57 cache.put(new Element(key, overview)); | |
| 58 } | |
| 59 | |
| 60 return overview; | |
| 61 } | |
| 62 | |
| 63 public static BedloadOverview getUncached(String river) { | |
| 64 BedloadOverview overview = new BedloadOverview(river); | |
| 65 | |
| 66 Session session = SedDBSessionHolder.HOLDER.get(); | |
| 67 | |
| 68 return overview.load(session) ? overview : null; | |
| 69 } | |
| 70 } |