svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / JDBCStoreProviderBase.java @ 43420
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1 | 43020 | jjdelcerro | package org.gvsig.fmap.dal.store.jdbc2.spi; |
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2 | |||
3 | 43409 | jjdelcerro | import java.text.MessageFormat; |
4 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.store.jdbc2.JDBCStoreProvider; |
5 | import java.util.Arrays; |
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6 | import java.util.Collections; |
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7 | import java.util.Iterator; |
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8 | import java.util.List; |
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9 | 43409 | jjdelcerro | import java.util.logging.Level; |
10 | 43361 | jjdelcerro | import org.apache.commons.lang3.BooleanUtils; |
11 | import org.apache.commons.lang3.StringUtils; |
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12 | 43020 | jjdelcerro | import org.cresques.cts.IProjection; |
13 | import org.gvsig.fmap.dal.DALLocator; |
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14 | import org.gvsig.fmap.dal.DataManager; |
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15 | import org.gvsig.fmap.dal.DataServerExplorer; |
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16 | import org.gvsig.fmap.dal.DataStore; |
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17 | import org.gvsig.fmap.dal.DataStoreNotification; |
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18 | import org.gvsig.fmap.dal.DataTypes; |
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19 | import org.gvsig.fmap.dal.exception.CloseException; |
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20 | import org.gvsig.fmap.dal.exception.DataException; |
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21 | import org.gvsig.fmap.dal.exception.InitializeException; |
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22 | import org.gvsig.fmap.dal.exception.OpenException; |
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23 | import org.gvsig.fmap.dal.exception.ReadException; |
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24 | 43420 | jjdelcerro | import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
25 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
26 | 43420 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
27 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureQuery; |
28 | import org.gvsig.fmap.dal.feature.FeatureRule; |
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29 | import org.gvsig.fmap.dal.feature.FeatureRules; |
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30 | import org.gvsig.fmap.dal.feature.FeatureType; |
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31 | import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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32 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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33 | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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34 | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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35 | 43409 | jjdelcerro | import org.gvsig.fmap.dal.resource.ResourceParameters; |
36 | import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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37 | import org.gvsig.fmap.dal.resource.exception.ResourceException; |
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38 | import org.gvsig.fmap.dal.resource.spi.AbstractResource; |
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39 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
40 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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41 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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42 | //import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorerBase;
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43 | import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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44 | import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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45 | import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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46 | import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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47 | import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
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48 | import org.gvsig.fmap.dal.store.jdbc2.ResulSetControler; |
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49 | import org.gvsig.fmap.dal.store.jdbc2.impl.JDBCSetProvider; |
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50 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.AppendOperation; |
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51 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CalculateEnvelopeOfColumnOperation; |
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52 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CanModifyTableOperation; |
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53 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CountOperation; |
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54 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureProviderByReferenceOperation; |
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55 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
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56 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.PerformChangesOperation; |
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57 | 43420 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
58 | 43020 | jjdelcerro | import org.gvsig.fmap.geom.primitive.Envelope; |
59 | import org.gvsig.tools.dynobject.DynObject; |
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60 | import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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61 | import org.gvsig.tools.exception.BaseException; |
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62 | import org.slf4j.Logger; |
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63 | import org.slf4j.LoggerFactory; |
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64 | |||
65 | public class JDBCStoreProviderBase |
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66 | extends AbstractFeatureStoreProvider
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67 | implements ResourceConsumer, JDBCStoreProvider {
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68 | |||
69 | final static private Logger logger = LoggerFactory.getLogger(JDBCStoreProviderBase.class); |
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70 | |||
71 | public class CountValue implements CalculatedValue<Long> { |
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72 | |||
73 | private Long value = null; |
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74 | |||
75 | @Override
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76 | public void calculate() { |
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77 | JDBCStoreParameters params = getParameters(); |
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78 | CountOperation count = getOperations().createCount( |
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79 | params.getDBName(), |
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80 | params.getSchema(), |
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81 | params.getTable(), |
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82 | params.getSQL(), |
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83 | params.getBaseFilter(), |
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84 | null
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85 | ); |
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86 | this.value = (Long) count.perform(); |
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87 | } |
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88 | |||
89 | @Override
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90 | public void reset() { |
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91 | this.value = null; |
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92 | } |
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93 | |||
94 | @Override
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95 | public Long get() { |
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96 | if( this.value == null ) { |
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97 | this.calculate();
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98 | } |
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99 | return this.value; |
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100 | } |
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101 | } |
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102 | |||
103 | public class EnvelopeValue implements CalculatedValue<Envelope> { |
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104 | |||
105 | private Envelope value = null; |
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106 | 43163 | jjdelcerro | private boolean needCalculate = true; |
107 | 43020 | jjdelcerro | |
108 | @Override
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109 | public void calculate() { |
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110 | try {
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111 | 43163 | jjdelcerro | value = null;
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112 | 43020 | jjdelcerro | String columnName = getFeatureStore()
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113 | .getDefaultFeatureType() |
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114 | .getDefaultGeometryAttributeName(); |
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115 | 43163 | jjdelcerro | if( columnName==null ) { |
116 | return;
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117 | } |
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118 | 43020 | jjdelcerro | IProjection crs = getFeatureStore() |
119 | .getDefaultFeatureType() |
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120 | .getDefaultSRS(); |
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121 | JDBCStoreParameters params = getParameters(); |
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122 | CalculateEnvelopeOfColumnOperation calculateEnvelopeOfColumn = |
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123 | getOperations().createCalculateEnvelopeOfColumn( |
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124 | params.getSQL(), |
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125 | params.getDBName(), |
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126 | params.getSchema(), |
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127 | params.getTable(), |
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128 | columnName, |
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129 | params.getBaseFilter(), |
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130 | params.getWorkingArea(), |
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131 | crs |
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132 | ); |
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133 | value = (Envelope) calculateEnvelopeOfColumn.perform(); |
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134 | 43163 | jjdelcerro | |
135 | 43020 | jjdelcerro | } catch(Exception ex) { |
136 | throw new RuntimeException("Can't calculate envelope.", ex); |
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137 | 43163 | jjdelcerro | } finally {
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138 | needCalculate = false;
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139 | 43020 | jjdelcerro | } |
140 | } |
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141 | |||
142 | @Override
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143 | public void reset() { |
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144 | this.value = null; |
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145 | 43163 | jjdelcerro | this.needCalculate = true; |
146 | 43020 | jjdelcerro | } |
147 | |||
148 | @Override
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149 | 43361 | jjdelcerro | public synchronized Envelope get() { |
150 | 43163 | jjdelcerro | if( needCalculate ) {
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151 | 43020 | jjdelcerro | this.calculate();
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152 | } |
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153 | return this.value; |
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154 | } |
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155 | } |
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156 | 43163 | jjdelcerro | |
157 | 43020 | jjdelcerro | public class AllowWriteValue implements CalculatedValue<Boolean> { |
158 | |||
159 | private Boolean value = null; |
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160 | |||
161 | @Override
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162 | public void calculate() { |
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163 | try {
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164 | JDBCStoreParameters params = getParameters(); |
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165 | CanModifyTableOperation canModifyTable = |
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166 | getOperations().createCanModifyTableOperation( |
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167 | params.getDBName(), |
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168 | params.getSchema(), |
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169 | params.getTable() |
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170 | ); |
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171 | this.value = (boolean) canModifyTable.perform(); |
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172 | } catch(Exception ex) { |
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173 | throw new RuntimeException("Can't determine if allow write.", ex); |
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174 | } |
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175 | } |
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176 | |||
177 | @Override
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178 | public void reset() { |
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179 | this.value = null; |
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180 | } |
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181 | |||
182 | @Override
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183 | public Boolean get() { |
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184 | if( this.value == null ) { |
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185 | this.calculate();
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186 | } |
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187 | return this.value; |
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188 | } |
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189 | } |
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190 | |||
191 | protected final JDBCHelper helper; |
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192 | |||
193 | protected CalculatedValue<Long> count = null; |
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194 | |||
195 | protected CalculatedValue<Envelope> envelope = null; |
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196 | |||
197 | protected CalculatedValue<Boolean> allowWrite = null; |
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198 | |||
199 | protected AppendOperation appendOperation = null; |
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200 | |||
201 | protected JDBCStoreProviderBase(
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202 | JDBCStoreParameters params, |
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203 | DataStoreProviderServices storeServices, |
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204 | DynObject metadata, |
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205 | JDBCHelper helper |
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206 | ) throws InitializeException {
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207 | super(params, storeServices, metadata);
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208 | this.helper = helper;
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209 | this.initializeFeatureType();
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210 | 43361 | jjdelcerro | try {
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211 | if( BooleanUtils.isTrue((Boolean) params.getDynValue("precalculateEnvelope")) ) { |
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212 | FeatureType featureType = this.getStoreServices().getDefaultFeatureType();
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213 | if( !StringUtils.isEmpty(featureType.getDefaultGeometryAttributeName()) ) {
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214 | Thread thread = new Thread(new Runnable() { |
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215 | @Override
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216 | public void run() { |
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217 | logger.debug("Precalculating envelope of '"+getSourceId()+"'."); |
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218 | getEnvelopeValue().get(); |
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219 | } |
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220 | }, "PrecalculateEnvelopeOfDBTable");
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221 | thread.start(); |
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222 | Thread.sleep(1); |
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223 | } |
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224 | } |
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225 | } catch(Exception ex) { |
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226 | logger.warn("Probems precalculating the envelope of table '"+this.getSourceId()+"'.", ex); |
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227 | } |
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228 | 43020 | jjdelcerro | } |
229 | |||
230 | |||
231 | @Override
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232 | 43088 | jjdelcerro | public JDBCSQLBuilderBase createExpression() {
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233 | 43020 | jjdelcerro | return this.getHelper().createSQLBuilder(); |
234 | } |
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235 | |||
236 | @Override
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237 | public JDBCStoreParameters getParameters() {
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238 | return (JDBCStoreParameters) super.getParameters(); |
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239 | } |
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240 | |||
241 | @Override
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242 | public JDBCHelper getHelper() {
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243 | return helper;
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244 | } |
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245 | |||
246 | public OperationsFactory getOperations() {
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247 | return this.getHelper().getOperations(); |
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248 | } |
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249 | |||
250 | @Override
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251 | public String getProviderName() { |
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252 | return this.getHelper().getProviderName(); |
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253 | } |
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254 | |||
255 | @Override
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256 | public int getOIDType() { |
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257 | return DataTypes.UNKNOWN;
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258 | } |
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259 | |||
260 | @Override
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261 | public Object createNewOID() { |
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262 | return null; |
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263 | } |
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264 | |||
265 | @Override
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266 | public boolean allowAutomaticValues() { |
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267 | return this.getHelper().allowAutomaticValues(); |
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268 | } |
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269 | |||
270 | @Override
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271 | public boolean allowWrite() { |
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272 | return this.getAllowWriteValue().get(); |
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273 | } |
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274 | |||
275 | @Override
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276 | public Object getDynValue(String name) throws DynFieldNotFoundException { |
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277 | try {
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278 | if (DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name)) {
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279 | Envelope env = this.getEnvelope();
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280 | if (env != null) { |
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281 | return env;
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282 | } |
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283 | } else if (DataStore.METADATA_CRS.equalsIgnoreCase(name)) { |
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284 | IProjection proj; |
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285 | proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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286 | if (proj != null) { |
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287 | return proj;
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288 | } |
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289 | } |
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290 | } catch (DataException e) {
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291 | throw new RuntimeException(e); |
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292 | } |
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293 | return super.getDynValue(name); |
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294 | } |
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295 | |||
296 | @Override
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297 | public CalculatedValue<Long> getCountValue() { |
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298 | if( this.count == null ) { |
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299 | this.count = new CountValue(); |
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300 | } |
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301 | return this.count; |
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302 | } |
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303 | |||
304 | @Override
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305 | public CalculatedValue<Envelope> getEnvelopeValue() {
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306 | if( this.envelope == null ) { |
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307 | this.envelope = new EnvelopeValue(); |
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308 | } |
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309 | return this.envelope; |
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310 | } |
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311 | |||
312 | @Override
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313 | public CalculatedValue<Boolean> getAllowWriteValue() { |
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314 | if( this.allowWrite == null ) { |
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315 | this.allowWrite = new AllowWriteValue(); |
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316 | } |
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317 | return this.allowWrite; |
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318 | } |
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319 | |||
320 | @Override
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321 | public long getFeatureCount() throws DataException { |
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322 | return this.getCountValue().get(); |
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323 | } |
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324 | |||
325 | @Override
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326 | public boolean closeResourceRequested(ResourceProvider resource) { |
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327 | ResulSetControler resulSetControler = this.getHelper().getResulSetControler();
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328 | resulSetControler.pack(); |
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329 | return resulSetControler.getOpenCount() == 0; |
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330 | } |
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331 | |||
332 | @Override
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333 | public void close() throws CloseException { |
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334 | JDBCUtils.closeQuietly(this.getHelper());
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335 | } |
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336 | |||
337 | @Override
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338 | public void resourceChanged(ResourceProvider resource) { |
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339 | this.getStoreServices().notifyChange(
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340 | DataStoreNotification.RESOURCE_CHANGED, |
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341 | resource |
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342 | ); |
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343 | } |
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344 | |||
345 | @Override
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346 | public DataServerExplorer getExplorer() throws ReadException { |
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347 | DataManager manager = DALLocator.getDataManager(); |
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348 | JDBCServerExplorerParameters exParams; |
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349 | JDBCStoreParameters params = getParameters(); |
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350 | try {
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351 | exParams = this.getHelper().createServerExplorerParameters();
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352 | exParams.setHost(params.getHost()); |
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353 | exParams.setPort(params.getPort()); |
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354 | exParams.setDBName(params.getDBName()); |
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355 | exParams.setUser(params.getUser()); |
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356 | exParams.setPassword(params.getPassword()); |
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357 | exParams.setUrl(params.getUrl()); |
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358 | exParams.setCatalog(params.getCatalog()); |
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359 | exParams.setSchema(params.getSchema()); |
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360 | exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
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361 | |||
362 | return manager.openServerExplorer(exParams.getExplorerName(), exParams);
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363 | } catch (Exception e) { |
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364 | throw new ReadException(this.getProviderName(), e); |
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365 | } |
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366 | } |
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367 | |||
368 | @Override
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369 | protected void doDispose() throws BaseException { |
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370 | this.close();
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371 | this.getHelper().dispose();
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372 | super.doDispose();
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373 | } |
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374 | |||
375 | @Override
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376 | public String getSourceId() { |
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377 | 43361 | jjdelcerro | try {
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378 | return this.getHelper().getSourceId(this.getParameters()); |
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379 | } catch(Exception ex) { |
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380 | return "unknow"; |
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381 | } |
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382 | 43020 | jjdelcerro | } |
383 | |||
384 | @Override
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385 | public String getName() { |
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386 | 43397 | jjdelcerro | return this.getParameters().getTable(); |
387 | 43020 | jjdelcerro | } |
388 | |||
389 | @Override
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390 | public String getFullName() { |
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391 | return this.getHelper().getSourceId(this.getParameters()); |
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392 | } |
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393 | |||
394 | 43409 | jjdelcerro | private static class DummyResource extends AbstractResource { |
395 | |||
396 | private final String name; |
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397 | |||
398 | DummyResource(String name) throws InitializeException { |
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399 | super((ResourceParameters)null); |
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400 | this.name = name;
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401 | } |
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402 | |||
403 | @Override
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404 | public String getName() throws AccessResourceException { |
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405 | return MessageFormat.format("DummyResource({0})", |
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406 | new Object[] { this.name }); |
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407 | } |
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408 | |||
409 | @Override
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410 | public Object get() throws AccessResourceException { |
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411 | return null; |
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412 | } |
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413 | |||
414 | @Override
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415 | public boolean isThis(ResourceParameters parameters) throws ResourceException { |
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416 | return true; |
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417 | } |
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418 | |||
419 | } |
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420 | |||
421 | 43020 | jjdelcerro | @Override
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422 | public ResourceProvider getResource() {
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423 | 43409 | jjdelcerro | ResourceProvider r = getHelper().getResource(); |
424 | if( r == null ) { |
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425 | try {
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426 | r = new DummyResource(this.getName()); |
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427 | } catch (InitializeException ex) {
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428 | logger.warn("Can't create DummyResource",ex);
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429 | // Do nothing
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430 | } |
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431 | } |
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432 | return r;
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433 | 43020 | jjdelcerro | } |
434 | |||
435 | @Override
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436 | public void open() throws OpenException { |
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437 | |||
438 | } |
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439 | |||
440 | @Override
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441 | public FeatureSetProvider createSet(
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442 | FeatureQuery query, |
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443 | FeatureType featureType |
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444 | ) throws DataException {
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445 | |||
446 | FeatureSetProvider set = new JDBCSetProvider(
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447 | this,
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448 | this.getHelper(),
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449 | query, |
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450 | featureType |
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451 | ); |
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452 | |||
453 | return set;
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454 | } |
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455 | |||
456 | protected void initializeFeatureType() { |
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457 | EditableFeatureType type = this.getStoreServices().createFeatureType(getName());
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458 | JDBCStoreParameters params = this.getParameters();
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459 | List<String> primaryKeys = null; |
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460 | if( params.getPkFields() != null ) { |
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461 | primaryKeys = Arrays.asList(params.getPkFields());
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462 | } |
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463 | FetchFeatureTypeOperation fetchFeatureType = |
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464 | this.getOperations().createFetchFeatureType(
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465 | type, |
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466 | params.getDBName(), |
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467 | params.getSchema(), |
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468 | params.getTable(), |
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469 | primaryKeys, |
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470 | params.getDefaultGeometryField(), |
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471 | params.getCRS() |
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472 | ); |
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473 | fetchFeatureType.perform(); |
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474 | |||
475 | 43420 | jjdelcerro | if( !StringUtils.isEmpty(params.getDefaultGeometryField()) ) {
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476 | if( !params.getDefaultGeometryField().equalsIgnoreCase(type.getDefaultGeometryAttributeName()) ) {
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477 | type.setDefaultGeometryAttributeName(params.getDefaultGeometryField()); |
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478 | EditableFeatureAttributeDescriptor attr = (EditableFeatureAttributeDescriptor) type.getDefaultGeometryAttribute(); |
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479 | attr.setGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM2D); |
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480 | } |
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481 | } |
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482 | 43020 | jjdelcerro | FeatureType defaultType = type.getNotEditableCopy(); |
483 | List<FeatureType> types = Collections.singletonList(defaultType); |
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484 | this.getStoreServices().setFeatureTypes(types, defaultType);
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485 | } |
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486 | |||
487 | @Override
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488 | protected FeatureProvider internalGetFeatureProviderByReference(
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489 | FeatureReferenceProviderServices reference, |
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490 | FeatureType featureType |
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491 | ) throws DataException {
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492 | JDBCStoreParameters params = this.getParameters();
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493 | FetchFeatureProviderByReferenceOperation fetchFeatureProviderByReference = |
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494 | this.getOperations().createFetchFeatureProviderByReference(
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495 | reference, |
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496 | featureType, |
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497 | params.getDBName(), |
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498 | params.getSchema(), |
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499 | params.getTable() |
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500 | ); |
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501 | FeatureProvider feature = (FeatureProvider) fetchFeatureProviderByReference.perform(); |
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502 | return feature;
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503 | } |
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504 | |||
505 | @Override
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506 | public Envelope getEnvelope() throws DataException { |
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507 | return this.getEnvelopeValue().get(); |
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508 | } |
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509 | |||
510 | @Override
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511 | public void performChanges(Iterator deleteds, Iterator inserteds, |
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512 | Iterator updateds, Iterator featureTypesChanged) |
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513 | throws DataException {
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514 | |||
515 | FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
||
516 | JDBCStoreParameters params = this.getParameters();
|
||
517 | PerformChangesOperation performChanges = this.getOperations().createPerformChanges(
|
||
518 | params.getDBName(), |
||
519 | params.getSchema(), |
||
520 | params.getTable(), |
||
521 | type, |
||
522 | deleteds, |
||
523 | inserteds, |
||
524 | updateds, |
||
525 | featureTypesChanged |
||
526 | ); |
||
527 | performChanges.perform(); |
||
528 | if( performChanges.isTypeChanged() ) {
|
||
529 | // Get rules before initializing feature type
|
||
530 | FeatureRules saved_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
||
531 | |||
532 | // This initialization loses the feature type rules
|
||
533 | this.initializeFeatureType();
|
||
534 | |||
535 | // Get new feature type, clear rules and add the ones saved previously
|
||
536 | FeatureType featureType = getFeatureStore().getDefaultFeatureType(); |
||
537 | FeatureRules rules = featureType.getRules(); |
||
538 | rules.clear(); |
||
539 | for (FeatureRule rule : saved_rules) {
|
||
540 | rules.add(rule); |
||
541 | } |
||
542 | } |
||
543 | this.getCountValue().reset();
|
||
544 | this.getEnvelopeValue().reset();
|
||
545 | } |
||
546 | |||
547 | @Override
|
||
548 | public boolean supportsAppendMode() { |
||
549 | return true; |
||
550 | } |
||
551 | |||
552 | protected AppendOperation getAppendOperation() throws DataException { |
||
553 | if( this.appendOperation == null ) { |
||
554 | FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
||
555 | JDBCStoreParameters params = this.getParameters();
|
||
556 | this.appendOperation = this.getOperations().createAppend( |
||
557 | params.getDBName(), |
||
558 | params.getSchema(), |
||
559 | params.getTable(), |
||
560 | type |
||
561 | ); |
||
562 | } |
||
563 | return this.appendOperation; |
||
564 | } |
||
565 | |||
566 | @Override
|
||
567 | public void endAppend() throws DataException { |
||
568 | this.getAppendOperation().end();
|
||
569 | } |
||
570 | |||
571 | @Override
|
||
572 | 43408 | jjdelcerro | public void abortAppend() throws DataException { |
573 | this.getAppendOperation().abort();
|
||
574 | } |
||
575 | |||
576 | @Override
|
||
577 | 43020 | jjdelcerro | public void beginAppend() throws DataException { |
578 | this.getAppendOperation().begin();
|
||
579 | } |
||
580 | |||
581 | @Override
|
||
582 | public void append(final FeatureProvider featureProvider) throws DataException { |
||
583 | this.getAppendOperation().append(featureProvider);
|
||
584 | } |
||
585 | |||
586 | @Override
|
||
587 | public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
||
588 | throws DataException {
|
||
589 | return this.getHelper().canWriteGeometry(geometryType,geometrySubtype); |
||
590 | } |
||
591 | } |