svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / FeatureTypeManager.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.dal.feature.impl; |
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25 | |||
26 | import java.lang.ref.WeakReference; |
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27 | import java.util.ArrayList; |
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28 | import java.util.Arrays; |
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29 | import java.util.HashMap; |
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30 | import java.util.Iterator; |
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31 | import java.util.List; |
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32 | |||
33 | import org.gvsig.fmap.dal.exception.DataException; |
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34 | import org.gvsig.fmap.dal.feature.AbstractFeatureStoreTransform; |
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35 | import org.gvsig.fmap.dal.feature.EditableFeature; |
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36 | import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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37 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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38 | import org.gvsig.fmap.dal.feature.Feature; |
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39 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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40 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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41 | import org.gvsig.fmap.dal.feature.FeatureStoreTransform; |
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42 | import org.gvsig.fmap.dal.feature.FeatureType; |
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43 | import org.gvsig.fmap.dal.feature.impl.expansionadapter.ExpansionAdapter; |
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44 | import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider.FeatureTypeChanged; |
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45 | import org.gvsig.tools.persistence.PersistentState; |
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46 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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47 | |||
48 | /**
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49 | * DOCUMENT ME!
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50 | *
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51 | * @author Vicente Caballero Navarro
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52 | */
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53 | public class FeatureTypeManager { |
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54 | private ExpansionAdapter expansionAdapter;
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55 | private ArrayList deleted = new ArrayList();// <FeatureID> |
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56 | private int deltaSize = 0; |
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57 | private HashMap added = new HashMap(); |
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58 | private HashMap modifiedFromOriginal = new HashMap(); |
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59 | private FeatureType originalType = null; |
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60 | private boolean first = true; |
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61 | private FeatureTypeManagerFeatureStoreTransforms transforms;
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62 | private FeatureStore store;
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63 | |||
64 | public FeatureTypeManager(FeatureStore store,
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65 | ExpansionAdapter expansionAdapter) { |
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66 | this.expansionAdapter = expansionAdapter;
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67 | this.store = store;
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68 | this.transforms = new FeatureTypeManagerFeatureStoreTransforms(); |
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69 | this.transforms.setFeatureStore(store);
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70 | } |
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71 | |||
72 | public void dispose() { |
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73 | this.expansionAdapter.close();
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74 | this.expansionAdapter = null; |
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75 | this.deleted.clear();
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76 | this.deleted = null; |
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77 | this.transforms.clear();
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78 | } |
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79 | |||
80 | // public FeatureType delete(String id) {
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81 | // deleted.add(id);
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82 | // FeatureType type=(FeatureType)added.remove(id);
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83 | // if (type==null) {
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84 | // type=(FeatureType)modifiedFromOriginal.remove(id);
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85 | // }
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86 | // deltaSize--;
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87 | // return type;
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88 | // }
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89 | |||
90 | /**
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91 | * DOCUMENT ME!
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92 | *
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93 | * @param feature
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94 | * DOCUMENT ME!
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95 | */
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96 | // public void add(FeatureType type) {
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97 | // int pos = expansionAdapter.addObject(type);
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98 | // added.put(type.getId(),new Integer(pos));
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99 | // deltaSize++;
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100 | // }
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101 | /**
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102 | * DOCUMENT ME!
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103 | *
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104 | * @param id
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105 | * DOCUMENT ME!
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106 | */
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107 | // public void deleteLastFeatureType() {
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108 | // expansionAdapter.deleteLastObject();
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109 | // FeatureType
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110 | // type=(FeatureType)expansionAdapter.getObject(expansionAdapter.getSize()-1);
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111 | // added.remove(type.getId());
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112 | // modifiedFromOriginal.remove(type.getId());
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113 | // deltaSize--;
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114 | // }
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115 | /**
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116 | * DOCUMENT ME!
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117 | *
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118 | * @param id
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119 | * DOCUMENT ME!
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120 | *
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121 | * @return DOCUMENT ME!
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122 | * @throws IsNotFeatureSettingException
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123 | */
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124 | public FeatureType getType(String id) throws DataException { |
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125 | Integer intNum = ((Integer) added.get(id)); |
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126 | if (intNum == null) { |
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127 | intNum = ((Integer) modifiedFromOriginal.get(id));
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128 | if (intNum == null) { |
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129 | return null; |
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130 | } |
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131 | } |
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132 | int num = intNum.intValue();
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133 | |||
134 | if (num == -1) { |
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135 | /*
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136 | * This happens for example when we are going back to the
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137 | * original feature type which is not managed by
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138 | * expansionAdapter
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139 | */
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140 | return null; |
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141 | } |
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142 | |||
143 | FeatureType type = (FeatureType) expansionAdapter.getObject(num); |
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144 | return type;
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145 | } |
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146 | |||
147 | /**
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148 | * DOCUMENT ME!
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149 | *
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150 | * @param feature
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151 | * DOCUMENT ME!
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152 | * @param oldFeature
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153 | * DOCUMENT ME!
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154 | * @throws DataException
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155 | */
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156 | public int update(FeatureType type, FeatureType oldType) { |
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157 | // deleted.add(oldType.getId());
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158 | if (first) {
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159 | originalType = oldType; |
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160 | first = false;
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161 | } |
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162 | int oldNum = -1; |
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163 | int num = expansionAdapter.addObject(type);
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164 | String id = type.getId();
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165 | |||
166 | if (added.containsKey(id)) {
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167 | oldNum = ((Integer) added.get(id)).intValue();
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168 | added.put(id, new Integer(num)); |
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169 | } else {
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170 | if (modifiedFromOriginal.get(id) != null) { |
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171 | oldNum = ((Integer) modifiedFromOriginal.get(id)).intValue();
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172 | } |
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173 | modifiedFromOriginal.put(id, new Integer(num)); |
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174 | } |
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175 | |||
176 | try {
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177 | this.transforms.add(new UpdateFeatureTypeTransform(this.store, |
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178 | oldType, type)); |
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179 | } catch (DataException e) {
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180 | throw new RuntimeException(); // FIXME (pero esto no deberia de |
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181 | // pasar nunca)
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182 | } |
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183 | return oldNum;
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184 | } |
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185 | |||
186 | private class UpdateFeatureTypeTransform extends AbstractFeatureStoreTransform { |
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187 | private FeatureType ftSource;
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188 | |||
189 | private EditableFeatureType ftTarget_editable;
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190 | private FeatureType ftTarget_non_editable;
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191 | |||
192 | private WeakReference wkRefStore; |
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193 | private List ftypes = null; |
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194 | private List attrInSourceToUse; |
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195 | |||
196 | UpdateFeatureTypeTransform(FeatureStore featureStore, |
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197 | FeatureType ftSource, FeatureType ftTarget) { |
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198 | this.ftSource = ftSource;
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199 | |||
200 | if (ftTarget instanceof EditableFeatureType) { |
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201 | |||
202 | ftTarget_editable = (EditableFeatureType) ftTarget; |
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203 | ftTarget_non_editable = ftTarget_editable.getNotEditableCopy(); |
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204 | } else {
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205 | ftTarget_non_editable = ftTarget; |
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206 | } |
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207 | |||
208 | this.wkRefStore = new WeakReference(featureStore); |
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209 | this.initializeAttributesToUse();
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210 | } |
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211 | |||
212 | private void initializeAttributesToUse() { |
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213 | attrInSourceToUse = new ArrayList(); |
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214 | |||
215 | Iterator iter = null; |
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216 | if (ftTarget_editable != null) { |
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217 | iter = ftTarget_editable.iterator(); |
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218 | } else {
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219 | iter = ftTarget_non_editable.iterator(); |
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220 | } |
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221 | |||
222 | FeatureAttributeDescriptor tAttr, sAttr; |
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223 | EditableFeatureAttributeDescriptor ead = null;
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224 | while (iter.hasNext()) {
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225 | tAttr = (FeatureAttributeDescriptor) iter.next(); |
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226 | sAttr = this.ftSource.getAttributeDescriptor(tAttr.getName());
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227 | if (sAttr == null) { |
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228 | if (tAttr instanceof EditableFeatureAttributeDescriptor) { |
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229 | ead = (EditableFeatureAttributeDescriptor) tAttr; |
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230 | if (ead.getOriginalName() != null) { |
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231 | sAttr = this.ftSource.getAttributeDescriptor(ead.getOriginalName());
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232 | if (sAttr == null) { |
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233 | continue;
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234 | } |
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235 | } else {
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236 | continue;
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237 | } |
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238 | } else {
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239 | continue;
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240 | } |
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241 | } |
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242 | if (tAttr.getDataType() != sAttr.getDataType()) {
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243 | continue;
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244 | } |
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245 | attrInSourceToUse.add(sAttr.getName()); |
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246 | } |
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247 | } |
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248 | |||
249 | public void applyTransform(Feature source, EditableFeature target) |
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250 | throws DataException {
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251 | |||
252 | Iterator iter = target.getType().iterator();
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253 | FeatureAttributeDescriptor tAttr; |
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254 | FeatureAttributeDescriptor tAttr_edi; |
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255 | |||
256 | /*
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257 | * field name in source feature
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258 | */
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259 | String s_name;
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260 | |||
261 | /*
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262 | * field name in target feature (the same as in source
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263 | * except if renamed)
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264 | */
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265 | String t_name;
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266 | |||
267 | EditableFeatureAttributeDescriptor eatd = null;
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268 | while (iter.hasNext()) {
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269 | tAttr = (FeatureAttributeDescriptor) iter.next(); |
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270 | |||
271 | if (ftTarget_editable != null) { |
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272 | /*
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273 | * If target FT is editable, try to get original name
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274 | */
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275 | t_name = tAttr.getName(); |
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276 | s_name = t_name; |
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277 | tAttr_edi = ftTarget_editable.getAttributeDescriptor(t_name); |
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278 | if (tAttr_edi instanceof EditableFeatureAttributeDescriptor) { |
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279 | eatd = (EditableFeatureAttributeDescriptor) tAttr_edi; |
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280 | s_name = eatd.getOriginalName(); |
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281 | } |
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282 | |||
283 | /*
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284 | * If not found, use normal name
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285 | */
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286 | if (s_name == null) { |
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287 | s_name = tAttr.getName(); |
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288 | } |
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289 | } else {
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290 | /*
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291 | * If target FT is not editable, use normal name
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292 | */
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293 | t_name = tAttr.getName(); |
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294 | s_name = t_name; |
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295 | } |
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296 | |||
297 | if (source.getType().get(s_name) != null) { |
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298 | target.set(t_name, source.get(s_name)); |
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299 | } else {
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300 | target.set(t_name, tAttr.getDefaultValue()); |
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301 | } |
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302 | } |
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303 | } |
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304 | |||
305 | public FeatureType getDefaultFeatureType() throws DataException { |
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306 | return this.ftTarget_non_editable; |
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307 | } |
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308 | |||
309 | public FeatureStore getFeatureStore() {
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310 | return (FeatureStore) this.wkRefStore.get(); |
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311 | } |
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312 | |||
313 | public List getFeatureTypes() throws DataException { |
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314 | if (this.ftypes == null) { |
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315 | this.ftypes = Arrays |
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316 | .asList(new FeatureType[] { this.ftTarget_non_editable }); |
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317 | } |
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318 | return this.ftypes; |
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319 | } |
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320 | |||
321 | public FeatureType getSourceFeatureTypeFrom(
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322 | FeatureType targetFeatureType) { |
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323 | EditableFeatureType orgType = ftSource.getEditable(); |
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324 | Iterator iter = orgType.iterator();
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325 | FeatureAttributeDescriptor attr; |
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326 | EditableFeatureAttributeDescriptor efad = null;
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327 | |||
328 | while (iter.hasNext()) {
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329 | attr = (FeatureAttributeDescriptor) iter.next(); |
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330 | if (!attrInSourceToUse.contains(attr.getName())) {
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331 | if (attr instanceof EditableFeatureAttributeDescriptor) { |
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332 | efad = (EditableFeatureAttributeDescriptor) attr; |
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333 | if (efad.getOriginalName() != null && |
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334 | !attrInSourceToUse.contains(efad.getOriginalName())) { |
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335 | iter.remove(); |
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336 | } |
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337 | } else {
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338 | iter.remove(); |
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339 | } |
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340 | } |
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341 | } |
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342 | return orgType.getNotEditableCopy();
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343 | } |
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344 | |||
345 | public void setFeatureStore(FeatureStore featureStore) { |
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346 | this.wkRefStore = new WeakReference(featureStore); |
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347 | } |
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348 | |||
349 | public boolean isTransformsOriginalValues() { |
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350 | return false; |
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351 | } |
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352 | |||
353 | } |
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354 | |||
355 | /**
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356 | * DOCUMENT ME!
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357 | *
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358 | * @param id
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359 | * DOCUMENT ME!
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360 | */
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361 | public void restore(String id) { |
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362 | deleted.remove(id); |
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363 | deltaSize++; |
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364 | } |
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365 | |||
366 | public void restore(String id, int num) { |
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367 | if (added.containsKey(id)) {
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368 | added.put(id, new Integer(num)); |
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369 | } else {
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370 | modifiedFromOriginal.put(id, new Integer(num)); |
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371 | } |
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372 | } |
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373 | |||
374 | public boolean isDeleted(FeatureType type) { |
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375 | return deleted.contains(type.getId());
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376 | } |
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377 | |||
378 | public boolean isDeleted(String id) { |
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379 | return deleted.contains(id);
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380 | } |
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381 | |||
382 | public void clear() { |
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383 | added.clear(); |
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384 | modifiedFromOriginal.clear(); |
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385 | expansionAdapter.close(); |
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386 | deleted.clear();// <FeatureID>
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387 | deltaSize = 0;
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388 | } |
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389 | |||
390 | public boolean hasChanges() { |
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391 | return added.size() > 0 || modifiedFromOriginal.size() > 0 |
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392 | || deleted.size() > 0;
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393 | } |
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394 | |||
395 | public Iterator newsIterator() { |
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396 | return added.values().iterator();
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397 | } |
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398 | |||
399 | public boolean hasNews() { |
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400 | return !added.isEmpty();
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401 | } |
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402 | |||
403 | public long getDeltaSize() { |
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404 | return deltaSize;
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405 | } |
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406 | |||
407 | public FeatureType getOriginalFeatureType() {
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408 | return originalType;
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409 | } |
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410 | |||
411 | public DefaultFeatureStoreTransforms getTransforms() {
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412 | return this.transforms; |
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413 | } |
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414 | |||
415 | public class FeatureTypeManagerFeatureStoreTransforms extends |
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416 | DefaultFeatureStoreTransforms { |
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417 | |||
418 | private FeatureTypeManagerFeatureStoreTransforms() {
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419 | |||
420 | } |
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421 | |||
422 | protected void checkEditingMode() { |
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423 | return;
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424 | } |
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425 | |||
426 | protected void notifyChangeToStore() { |
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427 | return;
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428 | } |
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429 | |||
430 | public PersistentState getState() throws PersistenceException { |
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431 | // FIXME
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432 | throw new UnsupportedOperationException(); |
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433 | } |
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434 | |||
435 | public void loadState(PersistentState state) |
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436 | throws PersistenceException {
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437 | // FIXME
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438 | throw new UnsupportedOperationException(); |
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439 | } |
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440 | |||
441 | public void loadFromState(PersistentState state) throws PersistenceException { |
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442 | // FIXME
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443 | throw new UnsupportedOperationException(); |
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444 | } |
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445 | |||
446 | public FeatureStoreTransform add(FeatureStoreTransform transform)
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447 | throws DataException {
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448 | if (!(transform instanceof UpdateFeatureTypeTransform)) { |
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449 | // FIXME
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450 | throw new IllegalArgumentException(); |
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451 | } |
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452 | return super.add(transform); |
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453 | } |
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454 | |||
455 | } |
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456 | |||
457 | public class FeatureTypesChangedItem implements FeatureTypeChanged { |
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458 | |||
459 | private FeatureType source;
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460 | private FeatureType target;
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461 | |||
462 | public FeatureTypesChangedItem(FeatureType source, FeatureType target) {
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463 | this.source = source;
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464 | this.target = target;
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465 | } |
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466 | |||
467 | public FeatureType getSource() {
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468 | return source;
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469 | } |
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470 | |||
471 | public FeatureType getTarget() {
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472 | return target;
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473 | } |
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474 | |||
475 | } |
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476 | |||
477 | public Iterator getFeatureTypesChanged() throws DataException { |
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478 | // FIXME this don't work for Store.fType.size() > 1
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479 | List list = new ArrayList(); |
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480 | if (modifiedFromOriginal.size() > 0) { |
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481 | FeatureType src = this.getOriginalFeatureType();
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482 | list.add(new FeatureTypesChangedItem(src, this.store |
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483 | .getFeatureType(src.getId()))); |
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484 | } |
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485 | return list.iterator();
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486 | } |
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487 | |||
488 | } |