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 / DefaultFeature.java @ 41348
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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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 | * as published by the Free Software Foundation; either version 3
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9 | * 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 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * 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 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.feature.impl; |
25 | |||
26 | import java.lang.ref.WeakReference; |
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27 | import java.util.Date; |
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28 | import java.util.Iterator; |
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29 | import java.util.List; |
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30 | |||
31 | import org.cresques.cts.IProjection; |
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32 | import org.gvsig.fmap.dal.DataTypes; |
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33 | import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
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34 | import org.gvsig.fmap.dal.exception.DataException; |
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35 | import org.gvsig.fmap.dal.feature.EditableFeature; |
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36 | import org.gvsig.fmap.dal.feature.Feature; |
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37 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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38 | 41335 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
39 | import org.gvsig.fmap.dal.feature.FeatureAttributeGetter; |
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40 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureReference; |
41 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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42 | import org.gvsig.fmap.dal.feature.FeatureType; |
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43 | import org.gvsig.fmap.dal.feature.exception.IllegalValueException; |
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44 | import org.gvsig.fmap.dal.feature.exception.SetReadOnlyAttributeException; |
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45 | import org.gvsig.fmap.dal.feature.impl.featureset.DynObjectFeatureFacade; |
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46 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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47 | import org.gvsig.fmap.geom.Geometry; |
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48 | import org.gvsig.fmap.geom.primitive.Envelope; |
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49 | import org.gvsig.timesupport.Instant; |
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50 | import org.gvsig.timesupport.Interval; |
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51 | import org.gvsig.tools.ToolsLocator; |
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52 | import org.gvsig.tools.dataTypes.CoercionException; |
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53 | import org.gvsig.tools.dataTypes.DataTypesManager; |
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54 | import org.gvsig.tools.dynobject.DynObject; |
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55 | import org.gvsig.tools.evaluator.Evaluator; |
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56 | import org.gvsig.tools.evaluator.EvaluatorData; |
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57 | import org.gvsig.tools.evaluator.EvaluatorException; |
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58 | import org.gvsig.tools.exception.BaseException; |
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59 | import org.gvsig.tools.exception.BaseRuntimeException; |
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60 | 40876 | jjdelcerro | import org.gvsig.tools.lang.Cloneable; |
61 | 40435 | jjdelcerro | |
62 | 40876 | jjdelcerro | public class DefaultFeature implements Feature, EvaluatorData, Cloneable { |
63 | 40435 | jjdelcerro | |
64 | private static DataTypesManager dataTypesManager = null; |
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65 | protected FeatureProvider data;
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66 | protected FeatureReference reference;
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67 | private WeakReference storeRef; |
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68 | |||
69 | private boolean inserted = false; |
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70 | |||
71 | /*
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72 | * Usar con mucha precaucion o mejor no usar. Lo precisa el
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73 | * DefaultFeatureSet en la ordenacion.
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74 | */
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75 | public DefaultFeature(FeatureStore store) {
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76 | this.storeRef = new WeakReference(store); |
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77 | this.reference = null; |
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78 | } |
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79 | |||
80 | public DefaultFeature(FeatureStore store, FeatureProvider data) {
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81 | this.data = data;
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82 | this.storeRef = new WeakReference(store); |
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83 | this.reference = null; |
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84 | this.inserted = !data.isNew();
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85 | } |
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86 | |||
87 | DefaultFeature(DefaultFeature feature) { |
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88 | this.data = feature.data.getCopy();
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89 | this.storeRef = feature.storeRef;
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90 | this.reference = feature.reference;
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91 | this.inserted = feature.isInserted();
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92 | } |
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93 | |||
94 | public void setData(FeatureProvider data) { |
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95 | this.data = data;
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96 | this.reference = null; |
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97 | this.inserted = true; |
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98 | } |
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99 | |||
100 | public FeatureProvider getData() {
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101 | return this.data; |
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102 | } |
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103 | |||
104 | protected DataTypesManager getDataTypesManager() {
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105 | if( dataTypesManager==null ) { |
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106 | dataTypesManager = ToolsLocator.getDataTypesManager(); |
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107 | } |
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108 | return dataTypesManager;
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109 | } |
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110 | |||
111 | 41335 | jjdelcerro | void set(FeatureAttributeDescriptor attribute, Object value) { |
112 | int i = attribute.getIndex();
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113 | 40435 | jjdelcerro | |
114 | 41335 | jjdelcerro | if ( attribute.isReadOnly() ) {
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115 | throw new SetReadOnlyAttributeException(); |
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116 | } |
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117 | FeatureAttributeEmulator emulator = attribute.getFeatureAttributeEmulator(); |
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118 | if( emulator!= null ) { |
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119 | emulator.set((EditableFeature) this,value);
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120 | return;
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121 | } |
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122 | |||
123 | if ( value == null ) { |
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124 | if ( !attribute.allowNull() ) {
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125 | if ( !attribute.isAutomatic() ) {
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126 | throw new IllegalValueException(attribute, value); |
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127 | } |
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128 | } |
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129 | this.data.set(i, null); |
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130 | return;
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131 | 40435 | jjdelcerro | |
132 | 41335 | jjdelcerro | } |
133 | 40435 | jjdelcerro | |
134 | 41335 | jjdelcerro | if ( attribute.getFeatureAttributeGetter() != null ) { |
135 | value = attribute.getFeatureAttributeGetter().setter(value); |
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136 | 40435 | jjdelcerro | } |
137 | 41335 | jjdelcerro | |
138 | if ( attribute.getObjectClass().isInstance(value) ) {
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139 | 40435 | jjdelcerro | this.data.set(i, value);
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140 | return;
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141 | } |
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142 | |||
143 | 41335 | jjdelcerro | if ( !attribute.getObjectClass().isInstance(value) ) {
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144 | 40435 | jjdelcerro | try {
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145 | 41335 | jjdelcerro | value |
146 | = this.getDataTypesManager().coerce(attribute.getType(),
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147 | value); |
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148 | 40435 | jjdelcerro | } catch (CoercionException e) {
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149 | throw new IllegalArgumentException("Can't convert to " |
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150 | 41335 | jjdelcerro | + this.getDataTypesManager().getTypeName(
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151 | attribute.getType()) + " from '"
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152 | + value.getClass().getName() + "' with value '"
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153 | + value.toString() + "'.");
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154 | 40435 | jjdelcerro | } |
155 | 41335 | jjdelcerro | } |
156 | |||
157 | 40435 | jjdelcerro | this.data.set(i, value);
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158 | } |
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159 | |||
160 | private Object get(int index,Class theClass, int type) { |
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161 | Object value = this.get(index); |
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162 | if( theClass.isInstance(value) ) {
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163 | return value;
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164 | } |
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165 | |||
166 | |||
167 | try {
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168 | return this.getDataTypesManager().coerce(type, value); |
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169 | } catch (CoercionException e) {
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170 | |||
171 | if (value == null) { |
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172 | return null; |
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173 | } |
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174 | throw new IllegalArgumentException( |
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175 | "Can't convert to "+theClass.getName()+
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176 | " from '"+value.getClass().getName()+
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177 | "' with value '"+value.toString()+"'."); |
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178 | } |
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179 | } |
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180 | |||
181 | // private Object getNumberByType(Number value, int type) {
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182 | // if (type==DataTypes.DOUBLE){
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183 | // return new Double(value.doubleValue());
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184 | // }else if (type==DataTypes.FLOAT){
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185 | // return new Float(value.floatValue());
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186 | // }else if (type==DataTypes.LONG){
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187 | // return new Long(value.longValue());
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188 | // }else if (type==DataTypes.INT){
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189 | // return new Integer(value.intValue());
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190 | // }else if (type==DataTypes.STRING){
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191 | // return value.toString();
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192 | // }
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193 | // return value;
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194 | // }
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195 | |||
196 | public void initializeValues() { |
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197 | FeatureType type = this.getType();
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198 | Iterator iterator = type.iterator();
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199 | |||
200 | while (iterator.hasNext()) {
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201 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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202 | .next(); |
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203 | if (attribute.isAutomatic() || attribute.isReadOnly()
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204 | || attribute.getEvaluator() != null) {
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205 | continue;
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206 | } |
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207 | if (attribute.getDefaultValue() == null && !attribute.allowNull()) { |
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208 | continue;
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209 | } |
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210 | this.set(attribute, attribute.getDefaultValue());
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211 | } |
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212 | } |
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213 | |||
214 | public void clear() { |
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215 | initializeValues(); |
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216 | } |
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217 | |||
218 | public void initializeValues(Feature feature) { |
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219 | FeatureType myType=this.getType();
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220 | FeatureType type =feature.getType(); |
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221 | Iterator iterator = type.iterator();
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222 | |||
223 | while (iterator.hasNext()) {
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224 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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225 | .next(); |
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226 | FeatureAttributeDescriptor myAttribute=myType.getAttributeDescriptor(attribute.getName()); |
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227 | if (myAttribute != null) { |
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228 | this.set(myAttribute, feature.get(attribute.getIndex()));
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229 | } |
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230 | } |
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231 | } |
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232 | |||
233 | |||
234 | public FeatureStore getStore() {
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235 | return (FeatureStore) this.storeRef.get(); |
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236 | } |
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237 | |||
238 | public FeatureType getType() {
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239 | return this.data.getType(); |
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240 | } |
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241 | |||
242 | public EditableFeature getEditable() {
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243 | return new DefaultEditableFeature(this); |
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244 | } |
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245 | |||
246 | public Feature getCopy() {
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247 | return new DefaultFeature(this); |
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248 | } |
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249 | 40876 | jjdelcerro | |
250 | public Object clone() throws CloneNotSupportedException { |
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251 | return new DefaultFeature(this); |
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252 | } |
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253 | 40435 | jjdelcerro | |
254 | public FeatureReference getReference() {
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255 | if (this.reference == null) { |
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256 | if (!isInserted()) {
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257 | return null; |
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258 | } |
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259 | reference = new DefaultFeatureReference(this); |
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260 | } |
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261 | return this.reference; |
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262 | } |
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263 | |||
264 | class UnableToGetReferenceException extends BaseRuntimeException { |
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265 | |||
266 | /**
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267 | *
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268 | */
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269 | private static final long serialVersionUID = 1812805035204824163L; |
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270 | |||
271 | /**
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272 | * @param exception
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273 | */
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274 | public UnableToGetReferenceException(BaseException exception) {
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275 | super("Unable to get reference", "_UnableToGetReferenceException", |
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276 | serialVersionUID); |
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277 | this.initCause(exception);
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278 | |||
279 | } |
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280 | |||
281 | } |
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282 | |||
283 | 41251 | jjdelcerro | public void validate(int mode) throws DataException { |
284 | 40435 | jjdelcerro | ((DefaultFeatureType) this.data.getType()).validateFeature(this, mode); |
285 | } |
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286 | |||
287 | public List getSRSs() { |
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288 | // TODO Auto-generated method stub
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289 | return null; |
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290 | } |
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291 | |||
292 | public Envelope getDefaultEnvelope() {
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293 | 41342 | jjdelcerro | Envelope envelope = this.data.getDefaultEnvelope();
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294 | if( envelope == null ) { |
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295 | Geometry geom = this.getDefaultGeometry();
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296 | 41348 | jjdelcerro | if( geom!=null ) { |
297 | envelope = geom.getEnvelope(); |
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298 | } |
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299 | 41342 | jjdelcerro | } |
300 | return envelope;
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301 | 40435 | jjdelcerro | } |
302 | |||
303 | public Geometry getDefaultGeometry() {
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304 | 41058 | jjdelcerro | Geometry geom = this.data.getDefaultGeometry();
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305 | if( geom!=null ) { |
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306 | return geom;
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307 | } |
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308 | int i = this.data.getType().getDefaultGeometryAttributeIndex(); |
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309 | geom = (Geometry) this.get(i);
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310 | return geom;
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311 | 40435 | jjdelcerro | } |
312 | |||
313 | public IProjection getDefaultSRS() {
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314 | return this.data.getType().getDefaultSRS(); |
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315 | } |
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316 | |||
317 | public List getGeometries() { |
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318 | // TODO Auto-generated method stub
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319 | return null; |
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320 | } |
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321 | |||
322 | public Object get(String name) { |
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323 | int index = this.data.getType().getIndex(name); |
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324 | if( index < 0 ) { |
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325 | throw new IllegalArgumentException("Attribute name '"+name+"' not found in the feature."); |
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326 | } |
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327 | return this.get(index); |
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328 | } |
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329 | |||
330 | |||
331 | public Object get(int index) { |
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332 | FeatureType type = this.data.getType();
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333 | if( index <0 || index >= type.size() ) { |
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334 | throw new IllegalArgumentException("Attribute index '"+index+"' out of range (0 to "+this.data.getType().size()+"."); |
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335 | } |
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336 | FeatureAttributeDescriptor attribute = type.getAttributeDescriptor(index); |
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337 | if (!this.data.getType().hasEvaluators()) { |
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338 | return get(attribute, this.data.get(index)); |
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339 | } |
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340 | Evaluator eval = attribute.getEvaluator(); |
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341 | if (eval == null) { |
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342 | return this.data.get(index); |
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343 | } else {
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344 | Object value = this.data.get(index); |
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345 | if (value != null) { // FIXME: para comprobar si esta calculado usar |
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346 | // un array
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347 | // especifico.
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348 | return get(attribute, this.data.get(index)); |
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349 | } |
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350 | try {
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351 | value = eval.evaluate(this);
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352 | } catch (EvaluatorException e) {
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353 | throw new DataEvaluatorRuntimeException(e); |
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354 | } |
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355 | this.data.set(index, value);
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356 | return get(attribute, value);
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357 | } |
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358 | } |
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359 | |||
360 | private Object get(FeatureAttributeDescriptor featureAttributeDescriptor, Object value){ |
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361 | 41335 | jjdelcerro | FeatureAttributeEmulator emulator = featureAttributeDescriptor.getFeatureAttributeEmulator(); |
362 | if( emulator != null ) { |
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363 | return emulator.get(this); |
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364 | 40435 | jjdelcerro | } |
365 | 41335 | jjdelcerro | FeatureAttributeGetter getter = featureAttributeDescriptor.getFeatureAttributeGetter(); |
366 | if( getter != null ) { |
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367 | return getter.getter(value);
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368 | } |
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369 | return value;
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370 | 40435 | jjdelcerro | } |
371 | |||
372 | public Object[] getArray(String name) { |
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373 | return this.getArray(this.data.getType().getIndex(name)); |
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374 | } |
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375 | |||
376 | public Object[] getArray(int index) { |
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377 | return (Object[]) this.get(index); |
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378 | } |
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379 | |||
380 | public boolean getBoolean(String name) { |
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381 | return this.getBoolean(this.data.getType().getIndex(name)); |
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382 | } |
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383 | |||
384 | public boolean getBoolean(int index) { |
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385 | Boolean value = ((Boolean) this.get(index,Boolean.class,DataTypes.BOOLEAN)); |
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386 | if (value == null) { |
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387 | return false; |
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388 | } |
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389 | return value.booleanValue();
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390 | } |
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391 | |||
392 | public byte getByte(String name) { |
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393 | return this.getByte(this.data.getType().getIndex(name)); |
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394 | } |
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395 | |||
396 | public byte getByte(int index) { |
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397 | Byte value = ((Byte) this.get(index,Byte.class,DataTypes.BYTE)); |
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398 | if (value == null) { |
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399 | return 0; |
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400 | } |
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401 | return value.byteValue();
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402 | } |
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403 | |||
404 | public Date getDate(String name) { |
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405 | return this.getDate(this.data.getType().getIndex(name)); |
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406 | } |
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407 | |||
408 | public Date getDate(int index) { |
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409 | Date value = ((Date) this.get(index,Date.class,DataTypes.DATE)); |
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410 | |||
411 | return value;
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412 | } |
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413 | |||
414 | public double getDouble(String name) { |
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415 | return this.getDouble(this.data.getType().getIndex(name)); |
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416 | } |
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417 | |||
418 | public double getDouble(int index) { |
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419 | |||
420 | Double value = ((Double) this.get(index,Double.class,DataTypes.DOUBLE)); |
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421 | if (value == null) { |
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422 | return 0; |
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423 | } |
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424 | return value.doubleValue();
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425 | } |
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426 | |||
427 | public Feature getFeature(String name) { |
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428 | return this.getFeature(this.data.getType().getIndex(name)); |
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429 | } |
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430 | |||
431 | public Feature getFeature(int index) { |
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432 | return (Feature) this.get(index); |
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433 | } |
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434 | |||
435 | public float getFloat(String name) { |
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436 | return this.getFloat(this.data.getType().getIndex(name)); |
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437 | } |
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438 | |||
439 | public float getFloat(int index) { |
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440 | Float value = ((Float) this.get(index,Float.class,DataTypes.FLOAT)); |
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441 | if (value == null) { |
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442 | return 0; |
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443 | } |
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444 | return value.floatValue();
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445 | } |
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446 | |||
447 | public Geometry getGeometry(String name) { |
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448 | return this.getGeometry(this.data.getType().getIndex(name)); |
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449 | } |
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450 | |||
451 | public Geometry getGeometry(int index) { |
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452 | return (Geometry) this.get(index,Geometry.class,DataTypes.GEOMETRY); |
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453 | } |
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454 | |||
455 | public int getInt(String name) { |
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456 | return this.getInt(this.data.getType().getIndex(name)); |
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457 | } |
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458 | |||
459 | public int getInt(int index) { |
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460 | Integer value = ((Integer) this.get(index,Integer.class,DataTypes.INT)); |
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461 | if (value == null) { |
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462 | return 0; |
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463 | } |
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464 | return ((Integer)value).intValue(); |
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465 | } |
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466 | |||
467 | public long getLong(String name) { |
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468 | return this.getLong(this.data.getType().getIndex(name)); |
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469 | } |
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470 | |||
471 | public long getLong(int index) { |
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472 | Long value = ((Long) this.get(index,Long.class,DataTypes.LONG)); |
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473 | if (value == null) { |
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474 | return 0; |
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475 | } |
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476 | return value.longValue();
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477 | } |
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478 | |||
479 | public String getString(String name) { |
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480 | return this.getString(this.data.getType().getIndex(name)); |
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481 | } |
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482 | |||
483 | public String getString(int index) { |
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484 | return (String) this.get(index,String.class,DataTypes.STRING); |
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485 | } |
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486 | |||
487 | public Object getContextValue(String name) { |
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488 | name = name.toLowerCase(); |
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489 | if (name.equals("store")) { |
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490 | return this.getStore(); |
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491 | } |
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492 | |||
493 | if (name.equals("featuretype")) { |
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494 | return this.data.getType(); |
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495 | } |
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496 | |||
497 | if (name.equals("feature")) { |
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498 | return this; |
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499 | } |
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500 | |||
501 | throw new IllegalArgumentException(name); |
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502 | } |
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503 | |||
504 | public Iterator getDataNames() { |
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505 | class DataNamesIterator implements Iterator { |
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506 | Iterator attributeIteraror;
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507 | |||
508 | DataNamesIterator(DefaultFeature feature) { |
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509 | this.attributeIteraror = feature.getType().iterator();
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510 | } |
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511 | |||
512 | public boolean hasNext() { |
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513 | return this.attributeIteraror.hasNext(); |
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514 | } |
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515 | |||
516 | public Object next() { |
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517 | return ((FeatureAttributeDescriptor) this.attributeIteraror |
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518 | .next()).getName(); |
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519 | } |
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520 | |||
521 | public void remove() { |
||
522 | throw new UnsupportedOperationException(); |
||
523 | } |
||
524 | |||
525 | } |
||
526 | return new DataNamesIterator(this); |
||
527 | } |
||
528 | |||
529 | public Object getDataValue(String name) { |
||
530 | name = name.toLowerCase(); |
||
531 | return get(name);
|
||
532 | } |
||
533 | |||
534 | public Iterator getDataValues() { |
||
535 | class DataValuesIterator implements Iterator { |
||
536 | DefaultFeature feature; |
||
537 | int current = 0; |
||
538 | |||
539 | DataValuesIterator(DefaultFeature feature) { |
||
540 | this.feature = feature;
|
||
541 | } |
||
542 | |||
543 | public boolean hasNext() { |
||
544 | return current < feature.getType().size() - 1; |
||
545 | } |
||
546 | |||
547 | public Object next() { |
||
548 | return feature.get(current++);
|
||
549 | } |
||
550 | |||
551 | public void remove() { |
||
552 | throw new UnsupportedOperationException(); |
||
553 | } |
||
554 | |||
555 | } |
||
556 | return new DataValuesIterator(this); |
||
557 | } |
||
558 | |||
559 | public boolean hasContextValue(String name) { |
||
560 | name = name.toLowerCase(); |
||
561 | if (name.equals("store")) { |
||
562 | return true; |
||
563 | } |
||
564 | |||
565 | if (name.equals("featuretype")) { |
||
566 | return true; |
||
567 | } |
||
568 | |||
569 | if (name.equals("feature")) { |
||
570 | return true; |
||
571 | } |
||
572 | return false; |
||
573 | } |
||
574 | |||
575 | public boolean hasDataValue(String name) { |
||
576 | name = name.toLowerCase(); |
||
577 | return this.data.getType().getIndex(name) >= 0; |
||
578 | } |
||
579 | |||
580 | public Instant getInstant(int index) { |
||
581 | return ((Instant) this.get(index,Date.class,DataTypes.INSTANT)); |
||
582 | } |
||
583 | |||
584 | public Instant getInstant(String name) { |
||
585 | return this.getInstant(this.data.getType().getIndex(name)); |
||
586 | } |
||
587 | |||
588 | public Interval getInterval(int index) { |
||
589 | return ((Interval) this.get(index,Date.class,DataTypes.INTERVAL)); |
||
590 | } |
||
591 | |||
592 | public Interval getInterval(String name) { |
||
593 | return this.getInterval(this.data.getType().getIndex(name)); |
||
594 | } |
||
595 | |||
596 | public DynObject getAsDynObject() {
|
||
597 | DynObjectFeatureFacade facade = new DynObjectFeatureFacade();
|
||
598 | facade.setFeature(this);
|
||
599 | return facade;
|
||
600 | } |
||
601 | |||
602 | public String toString() { |
||
603 | 40867 | jbadia | // StringBuffer buffer = new StringBuffer("Feature with values: ");
|
604 | StringBuffer buffer = new StringBuffer(""); |
||
605 | 40435 | jjdelcerro | FeatureAttributeDescriptor[] attributeDescriptors =
|
606 | getType().getAttributeDescriptors(); |
||
607 | for (int i = 0; i < attributeDescriptors.length; i++) { |
||
608 | String name = attributeDescriptors[i].getName();
|
||
609 | 40867 | jbadia | //buffer.append(name).append("=").append(get(name));
|
610 | buffer.append(get(name)); |
||
611 | 40435 | jjdelcerro | if (i < attributeDescriptors.length - 1) { |
612 | buffer.append(", ");
|
||
613 | } |
||
614 | } |
||
615 | 40867 | jbadia | return buffer.toString();
|
616 | 40435 | jjdelcerro | } |
617 | |||
618 | |||
619 | 40867 | jbadia | |
620 | |||
621 | /**
|
||
622 | 40435 | jjdelcerro | * @return the inserted
|
623 | */
|
||
624 | public boolean isInserted() { |
||
625 | return inserted;
|
||
626 | } |
||
627 | |||
628 | |||
629 | /**
|
||
630 | * @param inserted the inserted to set
|
||
631 | */
|
||
632 | public void setInserted(boolean inserted) { |
||
633 | this.inserted = inserted;
|
||
634 | } |
||
635 | |||
636 | public EvaluatorData getEvaluatorData() {
|
||
637 | return this; |
||
638 | } |
||
639 | } |