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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionChunk.java @ 4641:f3325079dacc

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Improve the up and down arrows in the theme navigation panel Don't stretch the arrow icons and fit to their actual size. Also put the up buttons on the left and the down buttons on the right.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 04 Dec 2012 16:16:43 +0100
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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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