ingo@1074: package de.intevation.gnv.state.profile.horizontal;
ingo@1074: 
ingo@1074: import de.intevation.artifacts.CallContext;
ingo@1074: 
ingo@1074: import de.intevation.gnv.artifacts.cache.CacheFactory;
ingo@1074: 
ingo@1074: import de.intevation.gnv.chart.Chart;
ingo@1074: import de.intevation.gnv.chart.ChartLabels;
ingo@1074: import de.intevation.gnv.chart.HorizontalProfileVectorChart;
ingo@1074: 
ingo@1074: import de.intevation.gnv.geobackend.base.Result;
ingo@1074: 
ingo@1074: import de.intevation.gnv.utils.VectorDataProcessor;
ingo@1074: 
ingo@1074: import java.util.Collection;
ingo@1074: import java.util.Locale;
ingo@1074: 
ingo@1074: import net.sf.ehcache.Cache;
ingo@1074: 
ingo@1074: import org.apache.log4j.Logger;
ingo@1074: 
ingo@1074: import org.jfree.chart.ChartTheme;
ingo@1074: 
ingo@1074: 
ingo@1074: /**
ingo@1074:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@1074:  */
ingo@1074: public class HorizontalProfileMeshVectorOutputState
ingo@1074: extends      HorizontalProfileMeshOutputState
ingo@1074: {
ingo@1074:     private static Logger logger =
ingo@1074:         Logger.getLogger(HorizontalProfileMeshVectorOutputState.class);
ingo@1074: 
ingo@1074:     public static final String[] RESULT_COLUMNS = {
ingo@1074:         "YORDINATE", "SHAPE",
ingo@1074:         "GROUP1",    "GROUP2",    "GROUP3",
ingo@1074:         "IPOSITION", "JPOSITION",
ingo@1074:         "DATAID",    "MESHID",
ingo@1074:         "SERIES"
ingo@1074:     };
ingo@1074: 
ingo@1074: 
ingo@1074:     @Override
ingo@1074:     protected Object getChartResult(String uuid, CallContext callContext) {
ingo@1074:         logger.debug("Fetch data for horizontalprofile chart with vector data");
ingo@1074:         CacheFactory factory = CacheFactory.getInstance();
ingo@1074: 
ingo@1074:         if (factory.isInitialized()) {
ingo@1074:             // we use a cache
ingo@1074:             logger.info("Using cache.");
ingo@1074:             Cache cache = factory.getCache();
ingo@1074:             String key  = "chart_" + getHash();
ingo@1074: 
ingo@1074:             net.sf.ehcache.Element value = cache.get(key);
ingo@1074:             if (value != null) {
ingo@1074:                 logger.debug("Found element in cache.");
ingo@1074:                 return value.getObjectValue();
ingo@1074:             }
ingo@1074:             else {
ingo@1074:                 logger.debug("Element not in cache, we ask the database");
ingo@1074:                 Collection<Result> res = (Collection<Result>)getData(queryID);
ingo@1074:                 res = VectorDataProcessor.process(res, RESULT_COLUMNS);
ingo@1074:                 logger.debug("Got " + res.size() + " elements from database.");
ingo@1074: 
ingo@1074:                 cache.put(new net.sf.ehcache.Element(key, res));
ingo@1074: 
ingo@1074:                 return res;
ingo@1074:             }
ingo@1074:         }
ingo@1074:         else {
ingo@1074:             // we don't use a cache, so we have to query the database every
ingo@1074:             // single time
ingo@1074:             logger.info("Not using a cache.");
ingo@1074:             return VectorDataProcessor.process(
ingo@1074:                 getData(queryID), RESULT_COLUMNS);
ingo@1074:         }
ingo@1074:     }
ingo@1074: 
ingo@1074: 
ingo@1074:     @Override
ingo@1074:     protected Chart getChart(
ingo@1074:         ChartLabels  chartLables,
ingo@1074:         ChartTheme   theme,
ingo@1074:         Collection   parameters,
ingo@1074:         Collection   measurements,
ingo@1074:         Collection   dates,
ingo@1074:         Object       result,
ingo@1074:         Locale       locale,
ingo@1074:         String       uuid,
ingo@1074:         boolean      linesVisible,
ingo@1074:         boolean      shapesVisible,
ingo@1074:         CallContext  callContext
ingo@1074:     ) {
ingo@1074:         Chart chart = new HorizontalProfileVectorChart(
ingo@1074:             chartLables,
ingo@1074:             theme,
ingo@1074:             parameters,
ingo@1074:             measurements,
ingo@1074:             dates,
ingo@1074:             (Collection)result,
ingo@1074:             timeGapDefinitions,
ingo@1074:             locale,
ingo@1074:             linesVisible,
ingo@1074:             shapesVisible
ingo@1074:         );
ingo@1074:         chart.generateChart();
ingo@1074: 
ingo@1074:         return chart;
ingo@1074:     }
ingo@1074: }
ingo@1074: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :