Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/sq/StaticSQFactory.java @ 8578:4eb1a3c71579

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(issue1753) Implement PDF export of SQ Measurement data. The SQRelationExporter now consists of two reports (to avoid subreport woes). The old SQReleation PDF only takes the Page count of the Measurement attachment as argument to correctly print the page numbers. Otherwise it is unchanged. The new SQMeasurements report lists the measured data points on which the calculation was based.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 16 Mar 2015 11:35:19 +0100
parents c6723e5b6857
children 958342db7a15
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.sq;
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10
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11 import java.math.BigDecimal;
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12 import java.util.Date;
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13 import java.util.List;
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14
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15 import net.sf.ehcache.Cache;
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16 import net.sf.ehcache.Element;
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17
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18 import org.apache.log4j.Logger;
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19 import org.hibernate.Query;
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20 import org.hibernate.Session;
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21
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22 import org.dive4elements.river.artifacts.cache.CacheFactory;
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23 import org.dive4elements.river.backend.SessionHolder;
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24
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25
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26 public class StaticSQFactory
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27 {
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28 private static final Logger log =
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29 Logger.getLogger(StaticSQFactory.class);
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30
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31 public static final String SQL_STATIONS_AT_RANGE =
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32 "SELECT "+
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33 "ms.id AS ms_id " +
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34 "FROM measurement_station ms " +
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35 "JOIN ranges ra ON ra.id = ms.range_id " +
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36 "JOIN rivers r ON r.id = ra.river_id " +
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37 "WHERE r.name = :river AND " +
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38 "ms.range_id = (SELECT range_id " +
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39 "FROM measurement_station " +
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40 "WHERE id = :ms_id)";
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41
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42 public static final String SQL_SQ =
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43 "SELECT " +
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44 "sq.description AS description,"+
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45 "ti.start_time AS start_time," +
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46 "ti.stop_time AS stop_time, " +
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47 "ms.name AS station_name, " +
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48 "CASE WHEN r.km_up = 1 AND ra.b IS NOT NULL " +
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49 "THEN ra.b " +
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50 "ELSE ra.a " +
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51 "END AS station_km, " +
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52 "ms.measurement_type AS measurement_type, " +
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53 "sqv.parameter AS parameter, " +
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54 "sqv.a AS a, " +
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55 "sqv.b AS b, " +
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56 "sqv.qmax AS qmax " +
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57 "FROM sq_relation sq " +
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58 "JOIN time_intervals ti ON ti.id = sq.time_interval_id " +
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59 "JOIN sq_relation_value sqv ON sqv.sq_relation_id = sq.id " +
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60 "JOIN measurement_station ms " +
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61 "ON sqv.measurement_station_id = ms.id " +
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62 "JOIN ranges ra ON ra.id = ms.range_id " +
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63 "JOIN rivers r ON r.id = ra.river_id ";
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64
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65 public static final String STATION_CLAUSE =
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66 "WHERE " +
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67 "r.name = :river " +
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68 "AND ms.id = :ms_id ";
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69
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70 public static final String ID_CLAUSE =
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71 "WHERE " +
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72 "sqv.id = :dis_id ";
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73
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74 private StaticSQFactory() {
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75 }
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76
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77 /** Get SQ relations for a measurement station's location.
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78 * Returns all SQRelations for the location of the station and
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79 * not just for the station. E.g. for a "Geschiebemessstelle"
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80 * and a "Schwebstoffmesstelle" at the same place.*/
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81 public static StaticSQContainer getSQRelationsForLocation(
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82 String river,
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83 int measurementStation
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84 ) {
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85 Session session = SessionHolder.HOLDER.get();
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86 Query query = session.createSQLQuery(SQL_STATIONS_AT_RANGE)
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87 .setParameter("river", river)
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88 .setParameter("ms_id", measurementStation);
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89 /* Take the first container for the station requested. */
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90 StaticSQContainer retval = getSQRelations(river, measurementStation);
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91
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92 /* And some others */
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93 List<Integer> list = query.list();
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94 if (list == null || list.isEmpty()) {
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95 log.error("Did not even find one measurement station. Broken Query?");
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96 return retval;
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97 }
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98
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99 if (list.size() > 2) {
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100 log.error("More then two measurement stations found at the same range. Bad Data!");
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101 return retval;
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102 }
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103
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104 for (Integer stationId: list) {
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105 log.debug("Collecting SQ Relations for: "+ stationId);
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106 if (stationId == measurementStation) {
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107 /* Skip the same station */
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108 continue;
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109 }
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110
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111 StaticSQContainer additional = getSQRelations(river, stationId);
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112 if (additional == null || additional.getSQRelations() == null) {
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113 continue;
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114 }
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115
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116 if (retval == null || retval.getSQRelations() == null || retval.getSQRelations().isEmpty()) {
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117 /* Old one is empty, just take the new one. */
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118 retval = additional;
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119 continue;
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120 }
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121
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122 for (StaticSQRelation rel: additional.getSQRelations()) {
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123 /* Check if we already have one for this parameter.
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124 * This is highly unlikely in the data scheme of things. */
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125 List<StaticSQRelation> old = retval.getRelationsByParameter(
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126 rel.getParameter());
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127 if (old != null || !old.isEmpty()) {
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128 log.warn("Multiple SQ relation Parameters found for different " +
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129 "measurement_stations at the same range. This should not happen.");
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130 continue;
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131 }
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132 retval.addSQRelation(rel);
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133 }
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134
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135 }
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136 return retval;
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137 }
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138
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139
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140 public static StaticSQContainer getSQRelations(
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141 String river,
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142 int measurementStation
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143 ) {
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144 Cache cache = CacheFactory.getCache(StaticSQCacheKey.CACHE_NAME);
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145
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146 StaticSQCacheKey cacheKey;
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147
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148 if (cache != null) {
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149 cacheKey = new StaticSQCacheKey(river, measurementStation);
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150 Element element = cache.get(cacheKey);
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151 if (element != null) {
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152 log.debug("Got static sq relations from cache");
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153 return (StaticSQContainer)element.getValue();
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154 }
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155 }
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156 else {
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157 cacheKey = null;
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158 }
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159
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160 StaticSQContainer values = getUncached(river, measurementStation);
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161
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162 if (values != null && cacheKey != null) {
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163 log.debug("Store static sq relations in cache.");
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164 Element element = new Element(cacheKey, values);
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165 cache.put(element);
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166 }
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167 return values;
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168 }
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169
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170 public static StaticSQContainer getDistinctRelation(int id) {
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171 Session session = SessionHolder.HOLDER.get();
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172
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173 Query query = session.createSQLQuery(SQL_SQ + ID_CLAUSE)
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174 .addScalar("description")
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175 .addScalar("start_time")
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176 .addScalar("stop_time")
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177 .addScalar("station_name")
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178 .addScalar("station_km")
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179 .addScalar("measurement_type")
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180 .addScalar("parameter")
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181 .addScalar("a")
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182 .addScalar("b")
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183 .addScalar("qmax");
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184
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185 query.setParameter("dis_id", id);
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186
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187 /* This could be done nicer with hibernate */
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188 List<Object []> list = query.list();
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189 if (list.isEmpty()) {
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190 log.debug("Query returened nothing");
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191 return null;
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192 }
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193 Object [] row = list.get(0);
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194
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195 StaticSQContainer sq = new StaticSQContainer();
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196 sq.setDescription((String)list.get(0)[0]);
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197 sq.setStationName((String)list.get(0)[3]);
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198 sq.setKm(((BigDecimal)list.get(0)[4]).doubleValue());
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199
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200 StaticSQRelation relation = new StaticSQRelation();
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201 relation.setStartTime((Date)row[1]);
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202 relation.setStopTime((Date)row[2]);
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203 relation.setType((String)row[5]);
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204 relation.setParameter((String)row[6]);
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205 relation.setA(((BigDecimal)row[7]).doubleValue());
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206 relation.setB(((BigDecimal)row[8]).doubleValue());
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207 relation.setQmax(((BigDecimal)row[9]).doubleValue());
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208 sq.addSQRelation(relation);
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209
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210 return sq;
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211 }
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212
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213 private static StaticSQContainer getUncached(
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214 String river,
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215 int measurementStation
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216 ) {
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217 Session session = SessionHolder.HOLDER.get();
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218
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219 Query query = session.createSQLQuery(SQL_SQ + STATION_CLAUSE)
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220 .addScalar("description")
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221 .addScalar("start_time")
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222 .addScalar("stop_time")
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223 .addScalar("station_name")
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224 .addScalar("station_km")
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225 .addScalar("measurement_type")
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226 .addScalar("parameter")
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227 .addScalar("a")
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228 .addScalar("b")
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229 .addScalar("qmax");
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230
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231 query.setParameter("river", river);
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232 query.setParameter("ms_id", measurementStation);
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233
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234 List<Object []> list = query.list();
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235
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236 if (list.isEmpty()) {
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237 log.debug("Query returened empty");
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238 return new StaticSQContainer();
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239 }
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240
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241 StaticSQContainer sq = new StaticSQContainer();
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242 sq.setDescription((String)list.get(0)[0]);
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243 sq.setStationName((String)list.get(0)[3]);
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244 sq.setKm(((BigDecimal)list.get(0)[4]).doubleValue());
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245
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246 for (Object[] row : list) {
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247 StaticSQRelation relation = new StaticSQRelation();
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248 relation.setStartTime((Date)row[1]);
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249 relation.setStopTime((Date)row[2]);
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250 relation.setType((String)row[5]);
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251 relation.setParameter((String)row[6]);
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252 relation.setA(((BigDecimal)row[7]).doubleValue());
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253 relation.setB(((BigDecimal)row[8]).doubleValue());
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254 relation.setQmax(((BigDecimal)row[9]).doubleValue());
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255 sq.addSQRelation(relation);
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diff changeset
256 }
700ac898ab0b Added Factory and model for static sq relations.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
257 return sq;
700ac898ab0b Added Factory and model for static sq relations.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
258 }
700ac898ab0b Added Factory and model for static sq relations.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
259 }
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