annotate backend/src/main/java/org/dive4elements/river/model/sinfo/DailyDischargeValue.java @ 9404:bc9a45d2b1fa

common time range for gauges incl. error messages
author gernotbelger
date Wed, 15 Aug 2018 13:59:09 +0200
parents e4a6679b868f
children 34cd4faf43f4
rev   line source
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1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10
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11 package org.dive4elements.river.model.sinfo;
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12
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13 import java.io.Serializable;
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14 import java.util.ArrayList;
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15 import java.util.Date;
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16 import java.util.List;
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17
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18 import javax.persistence.Column;
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19 import javax.persistence.Entity;
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20 import javax.persistence.GeneratedValue;
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21 import javax.persistence.GenerationType;
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22 import javax.persistence.Id;
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23 import javax.persistence.JoinColumn;
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24 import javax.persistence.OneToOne;
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25 import javax.persistence.SequenceGenerator;
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26 import javax.persistence.Table;
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27
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28 import org.dive4elements.river.backend.SessionHolder;
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29 import org.dive4elements.river.model.Gauge;
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30 import org.hibernate.Query;
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31 import org.hibernate.Session;
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32
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33 /**
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34 * Hibernate binding for the DB table daily_discharge_values
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35 *
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36 * @author Matthias Schäfer
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37 *
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38 */
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39 @Entity
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40 @Table(name = "daily_discharge_values")
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41 public class DailyDischargeValue implements Serializable {
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42
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43 /***** TYPES *****/
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44
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45 /**
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46 * Field to use in a query's order-by clause
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47 *
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48 */
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49 public enum OrderByField {
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50 DAY, DISCHARGE;
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51 }
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52
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53 /***** FIELDS *****/
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54
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55 private static final long serialVersionUID = -6192738825193230784L;
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56
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57 private Integer id;
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58
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59 private DailyDischarge dailyDischarge;
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60
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61 private Date day;
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62
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63 private Double discharge;
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64
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65 /***** CONSTRUCTORS *****/
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66
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67 public DailyDischargeValue() {
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68 }
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69
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70 public DailyDischargeValue(final DailyDischarge dailyDischarge, final Date day, final Double discharge) {
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71 this.dailyDischarge = dailyDischarge;
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72 this.day = day;
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73 this.discharge = discharge;
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74 }
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75
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76 /**
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77 * Parameter constructor with primitive parameter types
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78 */
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79 public DailyDischargeValue(final DailyDischarge dailyDischarge, final Date day, final double discharge) {
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80 this(dailyDischarge, day, Double.valueOf(discharge));
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81 }
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82
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83 /***** METHODS *****/
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84
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85 @Id
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86 @SequenceGenerator(name = "SEQUENCE_DAILY_DISCHARGE_VALUE_ID_SEQ", sequenceName = "DAILY_DISCHARGE_VALUES_ID_SEQ", allocationSize = 1)
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87 @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQUENCE_DAILY_DISCHARGE_VALUE_ID_SEQ")
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88 @Column(name = "id")
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89 public Integer getId() {
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90 return this.id;
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91 }
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92
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93 public void setId(final Integer id) {
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94 this.id = id;
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95 }
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96
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97 @OneToOne
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98 @JoinColumn(name = "daily_discharge_id")
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99 public DailyDischarge getDailyDischarge() {
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100 return this.dailyDischarge;
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101 }
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102
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103 public void setDailyDischarge(final DailyDischarge dailyDischarge) {
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104 this.dailyDischarge = dailyDischarge;
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105 }
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106
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107 @Column(name = "discharge")
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108 public Double getDischarge() {
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109 return this.discharge;
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110 }
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111
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112 public void setDischarge(final Double discharge) {
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113 this.discharge = discharge;
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114 }
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115
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116 @Column(name = "day")
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117 public Date getDay() {
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118 return this.day;
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119 }
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120
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121 public void setDay(final Date day) {
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122 this.day = day;
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123 }
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124
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125 /**
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126 * Selects from the database the daily discharge values of a gauge and a date range
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127 */
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128 public static List<DailyDischargeValue> getValues(final Gauge gauge, final Date startDate, final Date endDate, final OrderByField orderBy) {
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129 final Session session = SessionHolder.HOLDER.get();
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130 final String orderField = (orderBy == OrderByField.DISCHARGE) ? "discharge" : "day";
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131 final Query query = session.createQuery("SELECT v" + " FROM DailyDischargeValue AS v JOIN v.dailyDischarge AS s"
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132 + " WHERE (s.gauge.id=:gaugeid) AND (v.day BETWEEN :startDate AND :endDate)" + " ORDER BY " + orderField);
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133 query.setParameter("gaugeid", gauge.getId());
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134 query.setParameter("startDate", startDate);
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135 query.setParameter("endDate", endDate);
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136 return query.list();
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137 }
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138
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139 /**
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140 * Selects from the database the daily discharge, puts the first and the last into a List (min, max day)
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141 */
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142 public static List<DailyDischargeValue> getGlobalMinMax(final Gauge gauge) {
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143 final Session session = SessionHolder.HOLDER.get();
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144 final Query query = session
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145 .createQuery("SELECT v" + " FROM DailyDischargeValue AS v JOIN v.dailyDischarge AS s" + " WHERE (s.gauge.id=:gaugeid) ORDER BY day");
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146 query.setParameter("gaugeid", gauge.getId());
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147 return minMaxFromDbResultHelper(query.list());
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148 }
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149
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150 private static List<DailyDischargeValue> minMaxFromDbResultHelper(final List<DailyDischargeValue> values) {
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151 if (values != null && values.size() > 1) {
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152 final List<DailyDischargeValue> newList = new ArrayList<>();
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153 newList.add(values.get(0));
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154 newList.add(values.get(values.size() - 1));
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155 return newList;
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156 }
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157 return null;
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158
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159 }
8971
50416a0df385 Importer for the Schifffahrt (S-INFO) and Oekologie (U-INFO) files
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160 }

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