teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.model;
sascha@2119: 
sascha@2119: import java.util.List;
sascha@2119: import java.util.Collections;
sascha@2119: 
sascha@2119: import java.io.Serializable;
sascha@2119: 
teichmann@5831: import org.dive4elements.river.model.CrossSection;
sascha@2119: 
teichmann@5831: import org.dive4elements.river.model.FastCrossSectionLine;
sascha@2126: 
sascha@2126: import org.apache.log4j.Logger;
sascha@2126: 
sascha@2119: public class FastCrossSectionChunk
sascha@2119: implements   Serializable
sascha@2119: {
sascha@2126:     private static Logger log = Logger.getLogger(FastCrossSectionChunk.class);
sascha@2126: 
sascha@2119:     public static final String PREFIX = "FCSC:";
sascha@2119:     public static final double KM_RANGE = 1.0;
sascha@2119: 
sascha@2119:     protected double startKm;
sascha@2119:     protected int    crossSectionId;
sascha@2119: 
sascha@2119:     protected List<FastCrossSectionLine> crossSectionLines;
sascha@2119: 
sascha@2119:     public FastCrossSectionChunk() {
sascha@2119:     }
sascha@2119: 
sascha@2119:     public FastCrossSectionChunk(CrossSection cs, double km) {
sascha@2119: 
sascha@2119:         crossSectionId = cs.getId();
sascha@2119:         startKm = Math.floor(km);
sascha@2119:         double stopKm = startKm + KM_RANGE;
sascha@2119: 
sascha@2126:         long startTime = System.currentTimeMillis();
sascha@2119: 
sascha@2126:         crossSectionLines = cs.getFastLines(startKm, stopKm);
sascha@2119: 
sascha@2126:         long stopTime = System.currentTimeMillis();
sascha@2126: 
sascha@2126:         if (log.isDebugEnabled()) {
sascha@3076:             log.debug("Fetching cross section lines took " +
sascha@2126:                 (float)(stopTime-startTime)/1000f + " secs.");
sascha@2119:         }
sascha@2119:     }
sascha@2119: 
felix@6265:     /** Finds the FastCrossSectionLine at km (null if not found). */
sascha@2119:     public FastCrossSectionLine getCrossSectionLine(double km) {
sascha@2119:         FastCrossSectionLine key = new FastCrossSectionLine(km);
felix@6266:         Collections.sort(crossSectionLines, FastCrossSectionLine.KM_CMP);
sascha@2119:         int pos = Collections.binarySearch(
sascha@2119:             crossSectionLines, key, FastCrossSectionLine.KM_CMP);
sascha@2119:         return pos < 0 ? null : crossSectionLines.get(pos);
sascha@2119:     }
sascha@2119: 
sascha@2119:     public static String createHashKey(CrossSection cs, double km) {
sascha@2119:         return PREFIX + cs.getId() + ":" + (int)Math.floor(km);
sascha@2119:     }
sascha@2119: 
sascha@2119:     public String getHashKey() {
sascha@2119:         return PREFIX + crossSectionId + ":" + (int)Math.floor(startKm);
sascha@2119:     }
sascha@2119: 
sascha@2119:     public double getStartKm() {
sascha@2119:         return startKm;
sascha@2119:     }
sascha@2119: 
sascha@2119:     public void setStartKm(double startKm) {
sascha@2119:         this.startKm = startKm;
sascha@2119:     }
sascha@2119: 
sascha@2119:     public double getStopKm() {
sascha@2119:         return startKm + KM_RANGE;
sascha@2119:     }
sascha@2119: 
sascha@2119:     public int getCrossSectionId() {
sascha@2119:         return crossSectionId;
sascha@2119:     }
sascha@2119: 
sascha@2119:     public void setCrossSectionId(int crossSectionId) {
sascha@2119:         this.crossSectionId = crossSectionId;
sascha@2119:     }
sascha@2119: }
sascha@2119: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :