Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/map/HWSFactory.java @ 8856:5e38e2924c07 3.2.x

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix code style.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:12:01 +0100
parents e4606eae8ea5
children 0a5239a1e46e
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model.map;
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10
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11 import java.util.List;
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12
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13 import net.sf.ehcache.Cache;
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14 import net.sf.ehcache.Element;
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15
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16 import org.apache.log4j.Logger;
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17 import org.hibernate.SQLQuery;
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18 import org.hibernate.Session;
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19 import org.hibernate.type.StandardBasicTypes;
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20 import org.hibernatespatial.GeometryUserType;
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21
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22 import com.vividsolutions.jts.geom.Geometry;
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23
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24 import org.dive4elements.river.artifacts.cache.CacheFactory;
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25 import org.dive4elements.river.backend.SessionHolder;
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26
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27
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28 public class HWSFactory
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29 {
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30 /** Private log to use here. */
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31 private static Logger log = Logger.getLogger(HWSFactory.class);
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32
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33 private static final int HWS_LINES = 0;
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34 private static final int HWS_POINTS = 1;
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35
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36 public static final String SQL_SELECT_LINES =
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37 "SELECT hl.name, hl.geom, hl.id, hl.kind_id, hl.official, " +
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38 " fs.name AS fed, hl.description " +
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39 " FROM hws_lines hl" +
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40 " JOIN rivers r ON hl.river_id = r.id" +
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41 " LEFT JOIN fed_states fs ON hl.fed_state_id = fs.id" +
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42 " WHERE r.name = :river";
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43
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44 public static final String SQL_SELECT_POINTS =
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45 "SELECT hp.name, hp.geom, hp.id, hp.kind_id, hp.official, " +
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46 " fs.name AS fed, hp.description " +
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47 " FROM hws_points hp" +
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48 " JOIN rivers r ON hp.river_id = r.id" +
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49 " LEFT JOIN fed_states fs ON hp.fed_state_id = fs.id" +
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50 " WHERE r.name = :river";
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51
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52
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53 private HWSFactory() {
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54 }
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55
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56
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57 public static HWSContainer getHWSLines(String river) {
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58 log.debug("HWSFactory.getHWS");
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59 Cache cache = CacheFactory.getCache(StaticHWSCacheKey.CACHE_NAME);
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60
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61 StaticHWSCacheKey cacheKey;
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62
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63 if (cache != null) {
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64 cacheKey = new StaticHWSCacheKey(river, HWS_LINES);
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65 Element element = cache.get(cacheKey);
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66 if (element != null) {
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67 log.debug("Got static hws values from cache");
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68 return (HWSContainer)element.getValue();
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69 }
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70 }
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71 else {
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72 cacheKey = null;
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73 }
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74
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75 HWSContainer values = getHWSLinesUncached(river);
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76
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77 if (values != null && cacheKey != null) {
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78 log.debug("Store static hws values in cache.");
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79 Element element = new Element(cacheKey, values);
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80 cache.put(element);
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81 }
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82 return values;
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83 }
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84
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85 public static HWSContainer getHWSPoints(String river) {
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86 log.debug("HWSFactory.getHWS");
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87 Cache cache = CacheFactory.getCache(StaticHWSCacheKey.CACHE_NAME);
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88
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89 StaticHWSCacheKey cacheKey;
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90
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91 if (cache != null) {
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92 cacheKey = new StaticHWSCacheKey(river, HWS_LINES);
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93 Element element = cache.get(cacheKey);
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94 if (element != null) {
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95 log.debug("Got static hws values from cache");
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96 return (HWSContainer)element.getValue();
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97 }
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98 }
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99 else {
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100 cacheKey = null;
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101 }
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102
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103 HWSContainer values = getHWSPointsUncached(river);
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104
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105 if (values != null && cacheKey != null) {
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106 log.debug("Store static hws values in cache.");
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107 Element element = new Element(cacheKey, values);
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108 cache.put(element);
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109 }
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110 return values;
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111 }
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112
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113 private static HWSContainer getHWSLinesUncached(String river) {
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114 if (log.isDebugEnabled()) {
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115 log.debug("HWSFactory.getHWSLinesUncached");
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116 }
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117
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118 Session session = SessionHolder.HOLDER.get();
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119 SQLQuery sqlQuery = null;
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120 HWSContainer container = new HWSContainer();
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121 container.setRiver(river);
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122 container.setType(HWS.TYPE.LINE);
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123 sqlQuery = session.createSQLQuery(SQL_SELECT_LINES)
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124 .addScalar("name", StandardBasicTypes.STRING)
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125 .addScalar("geom", GeometryUserType.TYPE)
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126 .addScalar("id", StandardBasicTypes.STRING)
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127 .addScalar("kind_id", StandardBasicTypes.INTEGER)
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128 .addScalar("official", StandardBasicTypes.INTEGER)
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129 .addScalar("fed", StandardBasicTypes.STRING)
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130 .addScalar("description", StandardBasicTypes.STRING);
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131
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132 sqlQuery.setString("river", river);
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133 List<Object []> resultsLines = sqlQuery.list();
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134
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135 for (Object [] row: resultsLines) {
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136 container.addHws(
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137 new HWS(
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138 (String) row[0],
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139 (Geometry) row[1],
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140 (String) row[2],
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141 (Integer) row[3],
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142 (Integer) row[4],
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143 (String) row[5],
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144 (String) row[6],
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145 HWS.TYPE.LINE));
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146 }
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147
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148 return container;
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149 }
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150
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151 private static HWSContainer getHWSPointsUncached(String river) {
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152 if (log.isDebugEnabled()) {
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153 log.debug("HWSFactory.getHWSLinesUncached");
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154 }
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155
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156 Session session = SessionHolder.HOLDER.get();
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157 SQLQuery sqlQuery = null;
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158 HWSContainer container = new HWSContainer();
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159 container.setRiver(river);
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160 container.setType(HWS.TYPE.LINE);
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161 sqlQuery = session.createSQLQuery(SQL_SELECT_POINTS)
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162 .addScalar("name", StandardBasicTypes.STRING)
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163 .addScalar("geom", GeometryUserType.TYPE)
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164 .addScalar("id", StandardBasicTypes.STRING)
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165 .addScalar("kind_id", StandardBasicTypes.INTEGER)
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166 .addScalar("official", StandardBasicTypes.INTEGER)
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167 .addScalar("fed", StandardBasicTypes.STRING)
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168 .addScalar("description", StandardBasicTypes.STRING);
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169
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170 sqlQuery.setString("river", river);
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171 List<Object []> resultsPoints = sqlQuery.list();
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172
7254
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5994
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173 for (Object [] row: resultsPoints) {
5307
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174 container.addHws(
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175 new HWS(
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176 (String) row[0],
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177 (Geometry) row[1],
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178 (String) row[2],
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179 (Integer) row[3],
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Raimund Renkert <rrenkert@intevation.de>
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180 (Integer) row[4],
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Raimund Renkert <rrenkert@intevation.de>
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181 (String) row[5],
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182 (String) row[6],
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183 HWS.TYPE.POINT));
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184 }
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185
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186 return container;
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187 }
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188 }
http://dive4elements.wald.intevation.org