Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/FastCrossSectionLineFactory.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/FastCrossSectionLineFactory.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.model.CrossSection; | |
| 6 | |
| 7 import org.dive4elements.river.model.FastCrossSectionLine; | |
| 8 | |
| 9 import net.sf.ehcache.Cache; | |
| 10 import net.sf.ehcache.Element; | |
| 11 | |
| 12 import java.util.List; | |
| 13 | |
| 14 import org.apache.log4j.Logger; | |
| 15 | |
| 16 public class FastCrossSectionLineFactory | |
| 17 { | |
| 18 private static Logger log = | |
| 19 Logger.getLogger(FastCrossSectionLineFactory.class); | |
| 20 | |
| 21 public static final String CACHE_NAME = "fast-cross-section-lines"; | |
| 22 | |
| 23 private FastCrossSectionLineFactory() { | |
| 24 } | |
| 25 | |
| 26 public static FastCrossSectionLine getCrossSectionLine( | |
| 27 CrossSection cs, | |
| 28 double km | |
| 29 ) { | |
| 30 Cache cache = CacheFactory.getCache(CACHE_NAME); | |
| 31 | |
| 32 boolean debug = log.isDebugEnabled(); | |
| 33 | |
| 34 if (cache == null) { | |
| 35 if (debug) { | |
| 36 log.debug("No cross section chunk cache configured."); | |
| 37 } | |
| 38 List<FastCrossSectionLine> lines = cs.getFastLines(km, km); | |
| 39 return lines.isEmpty() ? null : lines.get(0); | |
| 40 } | |
| 41 | |
| 42 String cacheKey = FastCrossSectionChunk.createHashKey(cs, km); | |
| 43 | |
| 44 Element element = cache.get(cacheKey); | |
| 45 | |
| 46 FastCrossSectionChunk fcsc; | |
| 47 | |
| 48 if (element != null) { | |
| 49 if (debug) { | |
| 50 log.debug("Found cross section chunk in cache id: " + | |
| 51 cs.getId() + " km: " + km); | |
| 52 } | |
| 53 | |
| 54 fcsc = (FastCrossSectionChunk)element.getValue(); | |
| 55 } | |
| 56 else { | |
| 57 if (debug) { | |
| 58 log.debug("Not found cross section chunk in cache id: " + | |
| 59 cs.getId() + " km: " + km + " -> loading"); | |
| 60 } | |
| 61 fcsc = new FastCrossSectionChunk(cs, km); | |
| 62 element = new Element(cacheKey, fcsc); | |
| 63 cache.put(element); | |
| 64 } | |
| 65 | |
| 66 return fcsc.getCrossSectionLine(km); | |
| 67 } | |
| 68 } | |
| 69 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |