Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/map/HWSFactory.java @ 9801:1d7a72a50183 3.2.x tip
Assume Compose V2, consistently
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 23 Nov 2023 10:14:13 +0100 |
parents | 0a5239a1e46e |
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rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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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 |
9726 | 16 import org.apache.logging.log4j.Logger; |
17 import org.apache.logging.log4j.LogManager; | |
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18 import org.hibernate.SQLQuery; |
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19 import org.hibernate.Session; |
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20 import org.hibernate.type.StandardBasicTypes; |
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21 import org.hibernatespatial.GeometryUserType; |
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22 |
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23 import com.vividsolutions.jts.geom.Geometry; |
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24 |
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25 import org.dive4elements.river.artifacts.cache.CacheFactory; |
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26 import org.dive4elements.river.backend.SessionHolder; |
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27 |
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28 |
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29 public class HWSFactory |
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30 { |
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31 /** Private log to use here. */ |
9726 | 32 private static Logger log = LogManager.getLogger(HWSFactory.class); |
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33 |
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34 private static final int HWS_LINES = 0; |
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35 private static final int HWS_POINTS = 1; |
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36 |
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37 public static final String SQL_SELECT_LINES = |
8856 | 38 "SELECT hl.name, hl.geom, hl.id, hl.kind_id, hl.official, " + |
39 " fs.name AS fed, hl.description " + | |
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40 " FROM hws_lines hl" + |
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41 " JOIN rivers r ON hl.river_id = r.id" + |
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42 " LEFT JOIN fed_states fs ON hl.fed_state_id = fs.id" + |
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43 " WHERE r.name = :river"; |
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44 |
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45 public static final String SQL_SELECT_POINTS = |
8856 | 46 "SELECT hp.name, hp.geom, hp.id, hp.kind_id, hp.official, " + |
47 " fs.name AS fed, hp.description " + | |
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48 " FROM hws_points hp" + |
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49 " JOIN rivers r ON hp.river_id = r.id" + |
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50 " LEFT JOIN fed_states fs ON hp.fed_state_id = fs.id" + |
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51 " WHERE r.name = :river"; |
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52 |
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53 |
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54 private HWSFactory() { |
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55 } |
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56 |
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57 |
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58 public static HWSContainer getHWSLines(String river) { |
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59 log.debug("HWSFactory.getHWS"); |
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60 Cache cache = CacheFactory.getCache(StaticHWSCacheKey.CACHE_NAME); |
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61 |
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62 StaticHWSCacheKey cacheKey; |
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63 |
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64 if (cache != null) { |
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65 cacheKey = new StaticHWSCacheKey(river, HWS_LINES); |
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66 Element element = cache.get(cacheKey); |
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67 if (element != null) { |
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68 log.debug("Got static hws values from cache"); |
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69 return (HWSContainer)element.getValue(); |
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70 } |
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71 } |
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72 else { |
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73 cacheKey = null; |
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74 } |
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75 |
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76 HWSContainer values = getHWSLinesUncached(river); |
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77 |
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78 if (values != null && cacheKey != null) { |
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79 log.debug("Store static hws values in cache."); |
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80 Element element = new Element(cacheKey, values); |
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81 cache.put(element); |
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82 } |
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83 return values; |
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84 } |
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85 |
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86 public static HWSContainer getHWSPoints(String river) { |
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87 log.debug("HWSFactory.getHWS"); |
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88 Cache cache = CacheFactory.getCache(StaticHWSCacheKey.CACHE_NAME); |
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89 |
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90 StaticHWSCacheKey cacheKey; |
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91 |
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92 if (cache != null) { |
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93 cacheKey = new StaticHWSCacheKey(river, HWS_LINES); |
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94 Element element = cache.get(cacheKey); |
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95 if (element != null) { |
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96 log.debug("Got static hws values from cache"); |
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97 return (HWSContainer)element.getValue(); |
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98 } |
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99 } |
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100 else { |
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101 cacheKey = null; |
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102 } |
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103 |
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104 HWSContainer values = getHWSPointsUncached(river); |
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105 |
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106 if (values != null && cacheKey != null) { |
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107 log.debug("Store static hws values in cache."); |
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108 Element element = new Element(cacheKey, values); |
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109 cache.put(element); |
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110 } |
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111 return values; |
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112 } |
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113 |
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114 private static HWSContainer getHWSLinesUncached(String river) { |
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115 if (log.isDebugEnabled()) { |
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116 log.debug("HWSFactory.getHWSLinesUncached"); |
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117 } |
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118 |
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119 Session session = SessionHolder.HOLDER.get(); |
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120 SQLQuery sqlQuery = null; |
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121 HWSContainer container = new HWSContainer(); |
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122 container.setRiver(river); |
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123 container.setType(HWS.TYPE.LINE); |
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124 sqlQuery = session.createSQLQuery(SQL_SELECT_LINES) |
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125 .addScalar("name", StandardBasicTypes.STRING) |
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126 .addScalar("geom", GeometryUserType.TYPE) |
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127 .addScalar("id", StandardBasicTypes.STRING) |
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128 .addScalar("kind_id", StandardBasicTypes.INTEGER) |
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129 .addScalar("official", StandardBasicTypes.INTEGER) |
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130 .addScalar("fed", StandardBasicTypes.STRING) |
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131 .addScalar("description", StandardBasicTypes.STRING); |
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132 |
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133 sqlQuery.setString("river", river); |
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134 List<Object []> resultsLines = sqlQuery.list(); |
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135 |
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136 for (Object [] row: resultsLines) { |
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137 container.addHws( |
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138 new HWS( |
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139 (String) row[0], |
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140 (Geometry) row[1], |
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141 (String) row[2], |
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142 (Integer) row[3], |
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143 (Integer) row[4], |
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144 (String) row[5], |
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145 (String) row[6], |
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146 HWS.TYPE.LINE)); |
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147 } |
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148 |
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149 return container; |
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150 } |
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151 |
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152 private static HWSContainer getHWSPointsUncached(String river) { |
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153 if (log.isDebugEnabled()) { |
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154 log.debug("HWSFactory.getHWSLinesUncached"); |
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155 } |
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156 |
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157 Session session = SessionHolder.HOLDER.get(); |
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158 SQLQuery sqlQuery = null; |
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159 HWSContainer container = new HWSContainer(); |
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160 container.setRiver(river); |
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161 container.setType(HWS.TYPE.LINE); |
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162 sqlQuery = session.createSQLQuery(SQL_SELECT_POINTS) |
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163 .addScalar("name", StandardBasicTypes.STRING) |
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164 .addScalar("geom", GeometryUserType.TYPE) |
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165 .addScalar("id", StandardBasicTypes.STRING) |
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166 .addScalar("kind_id", StandardBasicTypes.INTEGER) |
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167 .addScalar("official", StandardBasicTypes.INTEGER) |
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168 .addScalar("fed", StandardBasicTypes.STRING) |
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169 .addScalar("description", StandardBasicTypes.STRING); |
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170 |
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171 sqlQuery.setString("river", river); |
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172 List<Object []> resultsPoints = sqlQuery.list(); |
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173 |
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Reduce usage of careless 'for (int i = 0; i < x.size(); i++)' pattern.
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174 for (Object [] row: resultsPoints) { |
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175 container.addHws( |
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176 new HWS( |
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177 (String) row[0], |
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178 (Geometry) row[1], |
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179 (String) row[2], |
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180 (Integer) row[3], |
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181 (Integer) row[4], |
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182 (String) row[5], |
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183 (String) row[6], |
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184 HWS.TYPE.POINT)); |
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185 } |
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186 |
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187 return container; |
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188 } |
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189 } |