Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/shared/model/Recommendation.java @ 1271:3e7717b6e2bc

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Implement equals und hashCode for Recommendation and associates. flys-client/trunk@2841 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 27 Sep 2011 13:46:33 +0000
parents 4db672cdacb2
children 46a4b74d87bf
rev   line source
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.shared.model;
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
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2
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3
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4 import java.util.List;
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5 import java.util.Map;
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6 import java.util.HashMap;
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7
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
8 import java.io.Serializable;
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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9
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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10 /**
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
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11 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
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12 */
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13 public class Recommendation implements Serializable {
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6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
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15 /** Index and name of a facet. */
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16 public static class Facet implements Serializable {
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17
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18 protected String name;
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19 protected String index;
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20
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21 public Facet() {
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22 }
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23
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24 public Facet(String name, String index) {
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25 this.name = name;
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26 this.index = index;
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27 }
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28
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29 public String getName() {
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30 return name;
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31 }
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32
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33 public String getIndex() {
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34 return index;
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35 }
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36
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37
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38 @Override
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39 public int hashCode() {
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40 int hash = 0;
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41 if (getName() != null) {
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42 hash += getName().hashCode();
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43 }
3e7717b6e2bc Implement equals und hashCode for Recommendation and associates.
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44 if (getIndex() != null) {
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45 hash += getIndex().hashCode();
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46 }
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47 return hash;
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48 }
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49
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50
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51 @Override
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52 public boolean equals(Object other) {
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53 if (!(other instanceof Facet) || other == null) {
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54 return false;
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55 }
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56 Facet facet = (Facet) other;
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57 return (same(facet.getIndex(), this.getIndex()))
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58 && (same(facet.getName(), this.getName()));
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59 }
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60 } // class Facet
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61
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62
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63 /** Mapping of outnames to Facet-Lists. */
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64 public static class Filter implements Serializable {
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65
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66 protected Map<String, List<Facet>> outs;
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67
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68 public Filter() {
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69 outs = new HashMap<String, List<Facet>>();
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70 }
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71
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72 public void add(String out, List<Facet> facets) {
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73 outs.put(out, facets);
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74 }
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75
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76 public Map<String, List<Facet>> getOuts() {
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77 return outs;
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78 }
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79
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80
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81 @Override
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82 public int hashCode() {
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83 if (getOuts() != null) {
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84 return getOuts().hashCode();
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85 }
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86 return 0;
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87 }
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88
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89
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90 @Override
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91 public boolean equals(Object other) {
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92 if (!(other instanceof Filter) || other == null) {
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93 return false;
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94 }
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95 Filter filter = (Filter) other;
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96 return Recommendation.same(filter.getOuts(), this.getOuts());
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97 }
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98 } // class Filter
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99
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100 protected String factory;
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101 protected String ids;
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102 protected String masterArtifact;
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103 protected Filter filter;
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104
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105 public Recommendation() {
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106 }
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107
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108 public Recommendation(String factory, String ids) {
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109 this(factory, ids, null, null);
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110 }
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111
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112 public Recommendation(
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113 String factory,
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114 String ids,
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115 String masterArtifact,
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116 Filter filter
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117 ) {
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118 this.factory = factory;
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119 this.ids = ids;
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120 this.masterArtifact = masterArtifact;
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121 this.filter = filter;
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122 }
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123
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124 public String getFactory() {
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125 return factory;
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126 }
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127
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128 public String getIDs() {
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129 return ids;
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130 }
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131
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132 public String getMasterArtifact() {
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133 return masterArtifact;
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134 }
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135
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136 public void setMasterArtifact(String masterArtifact) {
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137 this.masterArtifact = masterArtifact;
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138 }
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139
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140 public Filter getFilter() {
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141 return filter;
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142 }
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143
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144 public void setFilter(Filter filter) {
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145 this.filter = filter;
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146 }
1271
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147
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148
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149 @Override
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150 public int hashCode() {
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151 int hash = 0;
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152 hash += (getFactory() != null)
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153 ? getFactory().hashCode()
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154 : 0;
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155 hash += (getIDs() != null)
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156 ? getIDs().hashCode()
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157 : 0;
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158 hash += (getFilter() != null)
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159 ? getFilter().hashCode()
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160 : 0;
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161 hash += (getMasterArtifact() != null)
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162 ? getMasterArtifact().hashCode()
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163 : 0;
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164 return hash;
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165 }
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166
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167
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168 /**
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169 * Null-pointer guarded equals.
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170 * Two null's are assumed equal (returns true);
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171 * @param a Object to compare against parameter b.
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172 * @param b Object to compare against parameter a.
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173 * @return true if either a and b are null or a.equals(b) returns true.
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174 */
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175 protected static boolean same(Object a, Object b) {
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176 // Do null-check.
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177 if (a == null) {
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178 return b == null;
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179 } else if (b == null) {
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180 return false;
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181 }
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182 return a.equals(b);
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183 }
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184
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185
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186 @Override
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187 public boolean equals(Object other) {
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188 if (!(other instanceof Recommendation) || other == null) {
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189 return false;
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190 }
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191 Recommendation rec = (Recommendation) other;
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192 return (same(this.getFactory(), rec.getFactory()))
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193 && (same(this.getIDs(), rec.getIDs()))
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194 && (same(this.getFilter(), rec.getFilter()))
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195 && (same(this.getMasterArtifact(), rec.getMasterArtifact()));
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196 }
807
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197 }
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198 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org