Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionChunk.java @ 4221:480de0dbca8e

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Extended location input helper. The locationpicker has now an attribute whether the input is distance or location to display one or two clickable columns. Replaced the record click handler with cell click handler.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 23 Oct 2012 13:17:20 +0200
parents 5642a83420f2
children
rev   line source
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dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
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1 package de.intevation.flys.artifacts.model;
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3 import java.util.List;
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4 import java.util.Collections;
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6 import java.io.Serializable;
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7
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8 import de.intevation.flys.model.CrossSection;
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9
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10 import de.intevation.flys.model.FastCrossSectionLine;
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11
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12 import org.apache.log4j.Logger;
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14 public class FastCrossSectionChunk
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15 implements Serializable
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16 {
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17 private static Logger log = Logger.getLogger(FastCrossSectionChunk.class);
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18
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19 public static final String PREFIX = "FCSC:";
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20 public static final double KM_RANGE = 1.0;
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22 protected double startKm;
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23 protected int crossSectionId;
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25 protected List<FastCrossSectionLine> crossSectionLines;
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27 public FastCrossSectionChunk() {
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28 }
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30 public FastCrossSectionChunk(CrossSection cs, double km) {
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32 crossSectionId = cs.getId();
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33 startKm = Math.floor(km);
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34 double stopKm = startKm + KM_RANGE;
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35
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36 long startTime = System.currentTimeMillis();
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38 crossSectionLines = cs.getFastLines(startKm, stopKm);
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39
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40 long stopTime = System.currentTimeMillis();
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41
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42 if (log.isDebugEnabled()) {
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43 log.debug("Fetching cross section lines took " +
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44 (float)(stopTime-startTime)/1000f + " secs.");
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45 }
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46 }
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48 public FastCrossSectionLine getCrossSectionLine(double km) {
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49 FastCrossSectionLine key = new FastCrossSectionLine(km);
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50 int pos = Collections.binarySearch(
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51 crossSectionLines, key, FastCrossSectionLine.KM_CMP);
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52 return pos < 0 ? null : crossSectionLines.get(pos);
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53 }
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55 public static String createHashKey(CrossSection cs, double km) {
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56 return PREFIX + cs.getId() + ":" + (int)Math.floor(km);
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57 }
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59 public String getHashKey() {
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60 return PREFIX + crossSectionId + ":" + (int)Math.floor(startKm);
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61 }
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63 public double getStartKm() {
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64 return startKm;
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65 }
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67 public void setStartKm(double startKm) {
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68 this.startKm = startKm;
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69 }
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71 public double getStopKm() {
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72 return startKm + KM_RANGE;
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73 }
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75 public int getCrossSectionId() {
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76 return crossSectionId;
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77 }
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79 public void setCrossSectionId(int crossSectionId) {
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80 this.crossSectionId = crossSectionId;
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81 }
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82 }
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83 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org