root / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / fmap / data / feature / db / jdbc / JDBCStore.java @ 23842
History | View | Annotate | Download (12 KB)
1 |
package org.gvsig.fmap.data.feature.db.jdbc; |
---|---|
2 |
|
3 |
|
4 |
import java.security.KeyException; |
5 |
import java.sql.Connection; |
6 |
import java.sql.ResultSet; |
7 |
import java.sql.Statement; |
8 |
import java.util.HashMap; |
9 |
import java.util.Iterator; |
10 |
|
11 |
import org.gvsig.fmap.data.DataExplorer; |
12 |
import org.gvsig.fmap.data.DataStoreParameters; |
13 |
import org.gvsig.fmap.data.ResourceManager; |
14 |
import org.gvsig.fmap.data.exceptions.CloseException; |
15 |
import org.gvsig.fmap.data.exceptions.DataException; |
16 |
import org.gvsig.fmap.data.exceptions.InitializeException; |
17 |
import org.gvsig.fmap.data.exceptions.OpenException; |
18 |
import org.gvsig.fmap.data.exceptions.ReadException; |
19 |
import org.gvsig.fmap.data.exceptions.WriteException; |
20 |
import org.gvsig.fmap.data.feature.AttributeDescriptor; |
21 |
import org.gvsig.fmap.data.feature.CreatedFeature; |
22 |
import org.gvsig.fmap.data.feature.Feature; |
23 |
import org.gvsig.fmap.data.feature.FeatureAttributeDescriptor; |
24 |
import org.gvsig.fmap.data.feature.FeatureReference; |
25 |
import org.gvsig.fmap.data.feature.FeatureType; |
26 |
import org.gvsig.fmap.data.feature.db.DBFeatureID; |
27 |
import org.gvsig.fmap.data.feature.db.DBFeatureType; |
28 |
import org.gvsig.fmap.data.feature.db.DBResource; |
29 |
import org.gvsig.fmap.data.feature.db.DBStore; |
30 |
import org.gvsig.fmap.data.feature.exceptions.InitializeWriterException; |
31 |
import org.gvsig.fmap.data.feature.impl.commands.implementation.AttributeCommand; |
32 |
import org.gvsig.fmap.data.feature.impl.commands.implementation.FeatureCommand; |
33 |
import org.gvsig.fmap.data.feature.impl.commands.implementation.UpdateAttributeCommand; |
34 |
import org.gvsig.fmap.data.feature.impl.commands.implementation.UpdateFeatureCommand; |
35 |
import org.gvsig.fmap.data.impl.DefaultResourceManager; |
36 |
import org.gvsig.fmap.data.spi.AbstractResource; |
37 |
import org.gvsig.metadata.Metadata; |
38 |
import org.gvsig.metadata.MetadataManager; |
39 |
import org.gvsig.metadata.DefaultMetadataManager; |
40 |
import org.gvsig.tools.exception.BaseException; |
41 |
|
42 |
public abstract class JDBCStore extends DBStore { |
43 |
|
44 |
protected JDBCResource resource = null; |
45 |
protected String sqlSelectPart; |
46 |
protected String baseWhereClause = null; |
47 |
protected String baseOrder = null; |
48 |
protected String sqlSource = null; |
49 |
protected boolean useSqlSource = false; |
50 |
protected Metadata metadata;
|
51 |
|
52 |
|
53 |
public void init(DataStoreParameters parameters) throws InitializeException { |
54 |
|
55 |
DBResource tmpResource = this.createResource((JDBCStoreParameters)parameters);
|
56 |
DefaultResourceManager resMan = DefaultResourceManager.getResourceManager(); |
57 |
|
58 |
try {
|
59 |
this.resource = (JDBCResource) resMan
|
60 |
.addResource(tmpResource, this);
|
61 |
} catch (DataException e1) {
|
62 |
throw new InitializeException(this.getName(),e1); |
63 |
} |
64 |
|
65 |
super.init(parameters,this.resource); |
66 |
|
67 |
|
68 |
this.initFeatureType();
|
69 |
this.initSqlProperties();
|
70 |
} |
71 |
|
72 |
|
73 |
protected abstract DBResource createResource(JDBCStoreParameters params); |
74 |
protected abstract void initFeatureType() throws InitializeException; |
75 |
protected abstract void initSqlProperties() throws InitializeException; |
76 |
|
77 |
|
78 |
/* (non-Javadoc)
|
79 |
* @see org.gvsig.fmap.data.feature.FeatureStore#doClose()
|
80 |
*/
|
81 |
protected void doClose() throws CloseException { |
82 |
this.resource.close();
|
83 |
|
84 |
} |
85 |
|
86 |
/* (non-Javadoc)
|
87 |
* @see org.gvsig.fmap.data.feature.FeatureStore#doDispose()
|
88 |
*/
|
89 |
protected void doDispose() throws CloseException { |
90 |
ResourceManager resMan = DefaultResourceManager.getResourceManager(); |
91 |
|
92 |
try {
|
93 |
resMan.remove(this.resource, this); |
94 |
} catch (DataException e1) {
|
95 |
throw new CloseException(this.getName(),e1); |
96 |
} catch (KeyException e) { |
97 |
// TODO Auto-generated catch block
|
98 |
throw new CloseException(this.getName(),e); |
99 |
} |
100 |
this.metadata = null; |
101 |
super.doDispose();
|
102 |
} |
103 |
|
104 |
/* (non-Javadoc)
|
105 |
* @see org.gvsig.fmap.data.feature.FeatureStore#doOpen()
|
106 |
*/
|
107 |
protected void doOpen() throws OpenException { |
108 |
//No Operation
|
109 |
|
110 |
} |
111 |
|
112 |
|
113 |
/* (non-Javadoc)
|
114 |
* @see org.gvsig.fmap.data.feature.FeatureStore#canAlterFeatureType()
|
115 |
*/
|
116 |
public boolean canAlterFeatureType() { |
117 |
return false; |
118 |
} |
119 |
|
120 |
/* (non-Javadoc)
|
121 |
* @see org.gvsig.fmap.data.DataStore#getExplorer()
|
122 |
*/
|
123 |
public DataExplorer getExplorer() throws ReadException { |
124 |
return null; |
125 |
} |
126 |
|
127 |
|
128 |
/* (non-Javadoc)
|
129 |
* @see org.gvsig.fmap.data.feature.FeatureStore#init(org.gvsig.fmap.data.DataStoreParameters, org.gvsig.fmap.data.Resource)
|
130 |
*/
|
131 |
public void init(DataStoreParameters parameters, AbstractResource resource) throws InitializeException { |
132 |
super.init(parameters, resource);
|
133 |
this.resource=(JDBCResource)resource;
|
134 |
} |
135 |
|
136 |
protected Connection getConnection() throws ReadException{ |
137 |
return this.resource.getConnection(); |
138 |
} |
139 |
|
140 |
protected Connection getWriterConnection() throws ReadException{ |
141 |
return this.resource.getWriterConnection(); |
142 |
} |
143 |
|
144 |
public boolean allowWrite() { |
145 |
return super.allowWrite() && !this.useSqlSource; |
146 |
} |
147 |
|
148 |
|
149 |
public String getSqlSelectPart() { |
150 |
return sqlSelectPart;
|
151 |
} |
152 |
|
153 |
public String getBaseOrder() { |
154 |
return this.baseOrder; |
155 |
} |
156 |
|
157 |
public String getBaseWhereClause() { |
158 |
return baseWhereClause;
|
159 |
} |
160 |
|
161 |
public boolean isUseSqlSource() { |
162 |
return this.useSqlSource; |
163 |
} |
164 |
|
165 |
public String getSqlSource() { |
166 |
return this.sqlSource; |
167 |
} |
168 |
|
169 |
protected abstract JDBCFeaturesWriter getFeaturesWriter() throws InitializeWriterException; |
170 |
|
171 |
protected void doFinishEdition() throws WriteException, ReadException { |
172 |
Iterator commandsfeatures = null; |
173 |
JDBCFeaturesWriter selectiveWriter = getFeaturesWriter(); |
174 |
FeatureType type = getDefaultFeatureType(); |
175 |
boolean needRefresh=false; |
176 |
|
177 |
Feature feature; |
178 |
Object obj;
|
179 |
FeatureReference featureId; |
180 |
|
181 |
|
182 |
selectiveWriter.updateFeatureType(type); |
183 |
selectiveWriter.preProcess(); |
184 |
|
185 |
try{
|
186 |
commandsfeatures = commands.getCommandsAttributeDeleted().iterator(); |
187 |
while( commandsfeatures.hasNext() ) {
|
188 |
obj=commandsfeatures.next(); |
189 |
if (obj instanceof AttributeCommand){ |
190 |
FeatureAttributeDescriptor attribute = ((AttributeCommand)obj).getAttributeDescriptor(); |
191 |
selectiveWriter.deleteAttribute(attribute); |
192 |
needRefresh=true;
|
193 |
} |
194 |
} |
195 |
commandsfeatures = commands.getCommandsAttributeUpdated().iterator(); |
196 |
while( commandsfeatures.hasNext() ) {
|
197 |
obj=commandsfeatures.next(); |
198 |
if (obj instanceof AttributeCommand){ |
199 |
FeatureAttributeDescriptor oldAttribute = ((UpdateAttributeCommand)obj).getOldAttributeDescriptor(); |
200 |
FeatureAttributeDescriptor attribute = ((UpdateAttributeCommand)obj).getAttributeDescriptor(); |
201 |
selectiveWriter.updateAttribute(oldAttribute,attribute); |
202 |
needRefresh=true;
|
203 |
} |
204 |
} |
205 |
commandsfeatures = commands.getCommandsAttributeInserted().iterator(); |
206 |
while( commandsfeatures.hasNext() ) {
|
207 |
obj=commandsfeatures.next(); |
208 |
if (obj instanceof AttributeCommand){ |
209 |
FeatureAttributeDescriptor attribute = ((AttributeCommand)obj).getAttributeDescriptor(); |
210 |
selectiveWriter.insertAttribute(attribute); |
211 |
needRefresh=true;
|
212 |
} |
213 |
} |
214 |
|
215 |
|
216 |
commandsfeatures = commands.getCommandsFeatureDeleted().iterator(); |
217 |
while( commandsfeatures.hasNext() ) {
|
218 |
obj=commandsfeatures.next(); |
219 |
if (obj instanceof FeatureCommand){ |
220 |
feature = ((FeatureCommand)obj).getFeature(); |
221 |
if (feature instanceof CreatedFeature) { |
222 |
continue;
|
223 |
} |
224 |
|
225 |
selectiveWriter.deleteFeature(feature); |
226 |
} |
227 |
} |
228 |
|
229 |
commandsfeatures = commands.getCommandsFeatureInserted().iterator(); |
230 |
while( commandsfeatures.hasNext() ) {
|
231 |
obj=commandsfeatures.next(); |
232 |
if (obj instanceof FeatureCommand){ |
233 |
feature = ((FeatureCommand)obj).getFeature(); |
234 |
if (featureManager.isDeleted(feature)){
|
235 |
continue;
|
236 |
} |
237 |
selectiveWriter.insertFeature(feature); |
238 |
} |
239 |
} |
240 |
|
241 |
commandsfeatures = commands.getCommandsFeatureUpdated().iterator(); |
242 |
HashMap toUpdate = new HashMap(); |
243 |
while( commandsfeatures.hasNext() ) {
|
244 |
obj=commandsfeatures.next(); |
245 |
if (obj instanceof FeatureCommand){ |
246 |
// Feature oldFeature = ((UpdateFeatureCommand)obj).getOldFeature();
|
247 |
feature = ((UpdateFeatureCommand)obj).getFeature(); |
248 |
featureId =feature.getReference(); |
249 |
feature = featureManager.getFeature(featureId, this,null); |
250 |
if (feature != null){ |
251 |
toUpdate.put(featureId, feature); |
252 |
} |
253 |
} |
254 |
} |
255 |
Iterator toUpdateIter = toUpdate.values().iterator();
|
256 |
while (toUpdateIter.hasNext()){
|
257 |
feature = (Feature) toUpdateIter.next(); |
258 |
selectiveWriter.updateFeature(feature); |
259 |
} |
260 |
|
261 |
|
262 |
selectiveWriter.postProcess(); |
263 |
this.resource.changed(this); |
264 |
if (needRefresh){
|
265 |
this.refresh();
|
266 |
} |
267 |
|
268 |
|
269 |
}catch (ReadException e) {
|
270 |
selectiveWriter.cancelProcess(); |
271 |
throw e;
|
272 |
} catch (WriteException e){
|
273 |
selectiveWriter.cancelProcess(); |
274 |
throw e;
|
275 |
} catch (Exception e){ |
276 |
selectiveWriter.cancelProcess(); |
277 |
throw new WriteException(this.getName(),e); |
278 |
} |
279 |
} |
280 |
|
281 |
public String getFilterForID(DBFeatureType fType, Object[] featureKey) { |
282 |
if (fType.getFieldsId().length != 1) { |
283 |
throw new UnsupportedOperationException("ID fields > 1"); |
284 |
} |
285 |
String id =fType.getFieldsId()[0]; |
286 |
return id + " = " + objectToSqlString(featureKey[0]); |
287 |
} |
288 |
|
289 |
protected String objectToSqlString(Object obj) { |
290 |
if (obj instanceof String){ |
291 |
return "'"+ scapeString((String)obj) +"'"; |
292 |
} else if (obj == null){ |
293 |
return "null"; |
294 |
}else{
|
295 |
// OJO con otros tipos!!
|
296 |
return obj.toString();
|
297 |
} |
298 |
|
299 |
} |
300 |
|
301 |
protected String scapeString(String str) { |
302 |
return str.replace("'", "''"); |
303 |
} |
304 |
|
305 |
public Feature getFeatureByID(FeatureReference id,FeatureType featureType) throws ReadException{ |
306 |
return getFeatureByID(featureType,((DBFeatureID)id).getKey());
|
307 |
} |
308 |
|
309 |
public Metadata getMetadata() throws BaseException { |
310 |
if (metadata==null){ |
311 |
MetadataManager manager=DefaultMetadataManager.getManager(); |
312 |
metadata=manager.create(this.getName());
|
313 |
|
314 |
DBFeatureType fType = (DBFeatureType) this.getDefaultFeatureType();
|
315 |
metadata.set("srs",fType.getDefaultSRS());
|
316 |
} |
317 |
return metadata;
|
318 |
} |
319 |
|
320 |
|
321 |
public Feature getFeatureByID(FeatureType featureType, Object[] featureKey) throws ReadException{ |
322 |
//TODO: Tener en cuenta el FeatureType por si es distinto
|
323 |
if (useSqlSource){
|
324 |
throw new ReadException("Unsuported featureByID in sqlSource mode",this.getName()); |
325 |
} |
326 |
if (featureType==null){ |
327 |
featureType=getDefaultFeatureType(); |
328 |
}else{
|
329 |
if (!featureType.isSubtypeOf(this.getDefaultFeatureType())){ |
330 |
throw new ReadException("invalid type",this.getName()); |
331 |
} |
332 |
} |
333 |
ResultSet rs=null; |
334 |
try{
|
335 |
this.open();
|
336 |
Statement st=this.getConnection().createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
337 |
String sql = this.getSqlSelectPart() + " WHERE "+ this.getFilterForID((DBFeatureType)this.getDefaultFeatureType(), featureKey); |
338 |
rs=st.executeQuery(sql); |
339 |
if(rs.next()){
|
340 |
return createFeatureFromResulset(rs, (DBFeatureType)featureType);
|
341 |
} |
342 |
|
343 |
} catch (java.sql.SQLException e) {
|
344 |
e.printStackTrace(); |
345 |
throw new ReadException(this.getName(), e); |
346 |
} finally{
|
347 |
if (rs != null){ |
348 |
try {
|
349 |
rs.close(); |
350 |
} catch (java.sql.SQLException e) {
|
351 |
throw new ReadException(this.getName(),e); |
352 |
} |
353 |
} |
354 |
} |
355 |
return null; |
356 |
} |
357 |
|
358 |
|
359 |
protected abstract Feature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException; |
360 |
|
361 |
|
362 |
protected FeatureType checkFeatureTypeForCollection(FeatureType fType)
|
363 |
throws DataException {
|
364 |
if (!this.useSqlSource) { |
365 |
return super.checkFeatureTypeForCollection(fType); |
366 |
} |
367 |
FeatureType defType = this.getDefaultFeatureType();
|
368 |
if (fType == null || fType.equals(defType)) { |
369 |
return defType.getSubFeatureType(null); |
370 |
} |
371 |
if (!fType.isSubtypeOf(defType)) {
|
372 |
throw new ReadException("invalid type", this.getName()); |
373 |
} |
374 |
Iterator iterDef = defType.iterator();
|
375 |
Iterator iterType = fType.iterator();
|
376 |
|
377 |
AttributeDescriptor defAttr; |
378 |
AttributeDescriptor attr; |
379 |
|
380 |
while (iterDef.hasNext()) {
|
381 |
defAttr = (AttributeDescriptor) iterDef.next(); |
382 |
attr = (AttributeDescriptor) iterType.next(); |
383 |
if (!(
|
384 |
defAttr.getName().equals(attr.getName()) |
385 |
&& defAttr.getDataType().equals(attr.getDataType()) |
386 |
&& defAttr.getSize() == attr.getSize() |
387 |
&& defAttr.isReadOnly() == attr.isReadOnly() |
388 |
&& defAttr.isEvaluated() == attr.isEvaluated() |
389 |
)) { |
390 |
throw new ReadException("invalid type", this.getName()); |
391 |
} |
392 |
} |
393 |
while (iterType.hasNext()) {
|
394 |
attr = (AttributeDescriptor) iterType.next(); |
395 |
if (!attr.isEvaluated()) {
|
396 |
throw new ReadException("invalid type", this.getName()); |
397 |
} |
398 |
} |
399 |
|
400 |
return fType;
|
401 |
} |
402 |
|
403 |
} |