Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/common/AbstractSeriesImport.java @ 9038:4c5eeaff554c

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Database column "comment" renamed to "notes" (restrictions in Oracle)
author mschaefer
date Wed, 02 May 2018 06:56:21 +0200
parents ae76f618d990
children a2a42a6bac6b
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.importer.common;
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12
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13 import java.util.ArrayList;
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14 import java.util.EnumMap;
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15 import java.util.List;
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16 import java.util.Map;
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17
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18 import org.apache.log4j.Logger;
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19 import org.dive4elements.river.importer.ImporterSession;
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20 import org.dive4elements.river.model.River;
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21 import org.hibernate.Session;
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22
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23 /**
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24 * Abstract base class of a km bound data series of a river importing from a file
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25 *
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26 * @author Matthias Schäfer
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27 *
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28 */
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29 public abstract class AbstractSeriesImport<SERIES, KMTUPLE, KMLINE extends AbstractKmLineImport<SERIES, KMTUPLE>>
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30 {
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31 /***** FIELDS *****/
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32
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33 /**
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34 * Name of the imported file without type extension
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35 */
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36 protected String filename;
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37
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38 protected String kmrange_info;
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39
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40 protected String notes;
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41
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42 protected final List<KMLINE> values;
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43
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44 protected SERIES peer;
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45
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46 protected Map<StoreMode, Integer> valueStoreCount;
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47
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48 protected StoreMode storeMode;
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49
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50
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51 /***** CONSTRUCTORS *****/
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52
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53 AbstractSeriesImport() {
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54 this.values = new ArrayList<>();
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55 this.valueStoreCount = new EnumMap<>(StoreMode.class);
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56 for (final StoreMode mode : StoreMode.values())
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57 this.valueStoreCount.put(mode, Integer.valueOf(0));
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58 this.storeMode = StoreMode.NONE;
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59 }
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60
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61 public AbstractSeriesImport(final String filename) {
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62 this();
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63 setFilename(filename);
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64 }
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65
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66
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67 /***** METHODS *****/
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68
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69 /**
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70 * Gets the class's logger
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71 */
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72 public abstract Logger getLog();
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73
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74 void setFilename(final String filename) {
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75 this.filename = filename;
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76 }
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77
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78 public String getFilename() {
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79 return this.filename;
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80 }
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81
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82 public String getKmrange_info() {
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83 return this.kmrange_info;
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84 }
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85
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86 public void setKmrange_info(final String kmrange_info) {
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87 this.kmrange_info = kmrange_info;
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88 }
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89
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90 public String getNotes() {
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91 return this.notes;
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92 }
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93
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94 public void setNotes(final String notes) {
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95 this.notes = notes;
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96 }
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97
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98 public int getValueCount() {
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99 return this.values.size();
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100 }
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101
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102 public void addValue(final KMLINE value) {
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103 this.values.add(value);
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104 }
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105
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106 public int getValueStoreCount(final StoreMode mode) {
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107 return this.valueStoreCount.get(mode).intValue();
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108 }
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109
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110 /**
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111 * Stores the data series and their values in the database
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112 *
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113 * @param river
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114 */
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115 public StoreMode store(final River river) {
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116 logStoreInfo();
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117 for (final StoreMode mode : StoreMode.values())
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118 this.valueStoreCount.put(mode, Integer.valueOf(0));
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119 final SERIES peer = getPeer(river);
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120 if (peer != null) {
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121 for (final KMLINE value : this.values) {
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122 incrementValueStoreCount(value.store(peer, this.storeMode));
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123 }
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124 }
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125 ImporterSession.getInstance().getDatabaseSession().flush();
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126 return this.storeMode;
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127 }
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128
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129 /**
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130 * Writes the store start info to the log
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131 */
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132 protected void logStoreInfo() {
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133 getLog().info("Store series '" + getFilename() + "'");
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134 }
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135
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136 private void incrementValueStoreCount(final StoreMode mode) {
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137 this.valueStoreCount.put(mode, Integer.valueOf(this.valueStoreCount.get(mode).intValue() + 1));
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138 }
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139
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140 /**
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141 * Gets the model object of the data series, inserting it into the database if not already existing
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142 */
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143 protected SERIES getPeer(final River river) {
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144 if (this.peer != null)
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145 return this.peer;
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146 final Session session = ImporterSession.getInstance().getDatabaseSession();
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147 final List<SERIES> rows = querySeriesItem(session, river);
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148 if (rows.isEmpty()) {
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149 getLog().info("Create new database instance");
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150 this.peer = createSeriesItem(river);
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151 session.save(this.peer);
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152 this.storeMode = StoreMode.INSERT;
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153 } else {
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154 this.peer = rows.get(0);
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155 this.storeMode = StoreMode.UPDATE;
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156 }
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157 return this.peer;
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158 }
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159
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160 /**
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161 * Queries the series item(s) from the database
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162 */
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163 public abstract List<SERIES> querySeriesItem(final Session session, final River river);
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164
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165 /**
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166 * Creates a new value item
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167 */
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168 public abstract SERIES createSeriesItem(final River river);
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169 }
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