Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/common/AbstractSeriesImport.java @ 9650:a2a42a6bac6b

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Importer (s/u-info) extensions: outer try/catch for parse and log of line no, catching parsing exception if not enough value fields, parsing error and warning log messages with line number, detecting and rejecting duplicate data series, better differentiation between error and warning log messages
author mschaefer
date Mon, 23 Mar 2020 14:57:03 +0100
parents 4c5eeaff554c
children
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 boolean addValue(final KMLINE value) {
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103 this.values.add(value);
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104 return true;
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105 }
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106
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107 public int getValueStoreCount(final StoreMode mode) {
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108 return this.valueStoreCount.get(mode).intValue();
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109 }
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110
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111 /**
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112 * Stores the data series and their values in the database
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113 *
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114 * @param river
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115 */
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116 public StoreMode store(final River river) {
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117 logStoreInfo();
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118 for (final StoreMode mode : StoreMode.values())
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119 this.valueStoreCount.put(mode, Integer.valueOf(0));
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120 final SERIES peer = getPeer(river);
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121 if (peer != null) {
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122 for (final KMLINE value : this.values) {
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123 incrementValueStoreCount(value.store(peer, this.storeMode));
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124 }
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125 }
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126 ImporterSession.getInstance().getDatabaseSession().flush();
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127 return this.storeMode;
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128 }
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129
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130 /**
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131 * Writes the store start info to the log
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132 */
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133 protected void logStoreInfo() {
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134 getLog().info("Store series '" + getFilename() + "'");
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135 }
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136
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137 private void incrementValueStoreCount(final StoreMode mode) {
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138 this.valueStoreCount.put(mode, Integer.valueOf(this.valueStoreCount.get(mode).intValue() + 1));
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139 }
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140
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141 /**
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142 * Gets the model object of the data series, inserting it into the database if not already existing
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143 */
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144 protected SERIES getPeer(final River river) {
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145 if (this.peer != null)
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146 return this.peer;
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147 final Session session = ImporterSession.getInstance().getDatabaseSession();
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148 final List<SERIES> rows = querySeriesItem(session, river, false);
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149 if (rows.isEmpty()) {
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150 getLog().info("Create new database instance");
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151 this.peer = createSeriesItem(river);
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152 session.save(this.peer);
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153 this.storeMode = StoreMode.INSERT;
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154 } else {
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155 this.peer = rows.get(0);
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156 this.storeMode = StoreMode.UPDATE;
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157 }
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158 return this.peer;
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159 }
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160
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161 /**
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162 * Queries the series item(s) from the database<br>
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163 * if specified and necessary, the parent is also queried by properties instead of using its getPeer method
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164 */
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165 public abstract List<SERIES> querySeriesItem(final Session session, final River river, final boolean doQueryParent);
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166
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167 /**
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168 * Creates a new value item
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169 */
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170 public abstract SERIES createSeriesItem(final River river);
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171 }
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