root / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / fmap / data / feature / db / jdbc / h2 / H2Store.java @ 23303
History | View | Annotate | Download (8.12 KB)
1 |
package org.gvsig.fmap.data.feature.db.jdbc.h2; |
---|---|
2 |
|
3 |
import java.lang.ref.WeakReference; |
4 |
import java.sql.Connection; |
5 |
import java.sql.ResultSet; |
6 |
import java.util.Iterator; |
7 |
import java.util.Locale; |
8 |
|
9 |
import org.gvsig.fmap.data.CloseException; |
10 |
import org.gvsig.fmap.data.DataCollection; |
11 |
import org.gvsig.fmap.data.DataException; |
12 |
import org.gvsig.fmap.data.DataExplorer; |
13 |
import org.gvsig.fmap.data.DataManager; |
14 |
import org.gvsig.fmap.data.InitializeException; |
15 |
import org.gvsig.fmap.data.OpenException; |
16 |
import org.gvsig.fmap.data.ReadException; |
17 |
import org.gvsig.fmap.data.feature.Feature; |
18 |
import org.gvsig.fmap.data.feature.FeatureCollection; |
19 |
import org.gvsig.fmap.data.feature.FeatureType; |
20 |
import org.gvsig.fmap.data.feature.InitializeWriterException; |
21 |
import org.gvsig.fmap.data.feature.db.DBFeatureType; |
22 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCFeaturesWriter; |
23 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCResource; |
24 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCStore; |
25 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCStoreParameters; |
26 |
import org.gvsig.fmap.geom.Geometry; |
27 |
import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
28 |
import org.gvsig.fmap.geom.primitive.Envelope; |
29 |
import org.gvsig.metadata.IMetadata; |
30 |
import org.gvsig.metadata.IMetadataManager; |
31 |
import org.gvsig.metadata.MetadataManager; |
32 |
import org.gvsig.tools.exception.BaseException; |
33 |
|
34 |
public class H2Store extends JDBCStore{ |
35 |
public static final String CONNECTION_STRING = "h2"; |
36 |
public static String DATASTORE_NAME = "H2Store"; |
37 |
|
38 |
|
39 |
protected static Locale ukLocale = new Locale("en", "UK"); // English, UK version |
40 |
public H2StoreParameters getParametersH2(){
|
41 |
return (H2StoreParameters)this.parameters; |
42 |
} |
43 |
|
44 |
|
45 |
/* (non-Javadoc)
|
46 |
* @see org.gvsig.fmap.data.feature.db.jdbc.JDBCStore#createResource(org.gvsig.fmap.data.feature.file.dbf.DBFStoreParameters)
|
47 |
*/
|
48 |
protected JDBCResource createResource(JDBCStoreParameters params) {
|
49 |
return new H2Resource(params); |
50 |
} |
51 |
|
52 |
protected void initFeatureType() throws InitializeException{ |
53 |
H2StoreParameters dParams = this.getParametersH2();
|
54 |
try {
|
55 |
this.defaultFeatureType = H2Utils.getFeatureType(this.getConnection(), dParams); |
56 |
} catch (ReadException e) {
|
57 |
throw new InitializeException(DATASTORE_NAME,e); |
58 |
} |
59 |
String[] fieldsID = dParams.getFieldsId(); |
60 |
if (fieldsID == null || fieldsID.length < 1){ |
61 |
throw new InitializeException("Field Id not set", |
62 |
this.getName());
|
63 |
} else if (fieldsID.length > 1){ |
64 |
//TODO: Falta por implementar soporte para multiples ID
|
65 |
throw new InitializeException("Multy fields id not supported yet", |
66 |
this.getName());
|
67 |
|
68 |
} else{
|
69 |
for (int i=0;i<fieldsID.length;i++){ |
70 |
if (this.getDefaultFeatureType().getFieldIndex(fieldsID[i]) < 0) { |
71 |
|
72 |
throw new InitializeException("Field id '"+ fieldsID[i] +"' (id pos "+ (i+1) +") not Found", |
73 |
this.getName());
|
74 |
|
75 |
} |
76 |
} |
77 |
} |
78 |
|
79 |
|
80 |
} |
81 |
|
82 |
|
83 |
public DataCollection getDataCollection(FeatureType type, String filter, String order) throws ReadException { |
84 |
try {
|
85 |
type = this.checkFeatureTypeForCollection(type);
|
86 |
} catch (DataException e) {
|
87 |
throw new ReadException(this.getName(), e); |
88 |
} |
89 |
|
90 |
if (useSqlSource ){
|
91 |
if (filter != null || order != null){ |
92 |
throw new ReadException("Unsuported filter/order in sqlSource mode",this.getName()); |
93 |
} |
94 |
} |
95 |
|
96 |
FeatureCollection coll; |
97 |
if (featureManager == null){ |
98 |
coll=new H2FeatureCollection(this,(DBFeatureType)type,filter,order); |
99 |
}else{
|
100 |
if ((order != null && order != "")){ |
101 |
coll=new H2FeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
102 |
} else{
|
103 |
if (filter == null || filter == ""){ |
104 |
coll=new H2FeatureCollectionEditing(featureManager,this,type); |
105 |
} else {
|
106 |
coll=new H2FeatureCollectionEditingFiltered(featureManager,this,type,filter); |
107 |
} |
108 |
} |
109 |
|
110 |
|
111 |
} |
112 |
|
113 |
this.addObserver(new WeakReference(coll)); |
114 |
return coll;
|
115 |
} |
116 |
|
117 |
protected Connection getConnection() throws ReadException{ |
118 |
return ((H2Resource)this.resource).getConnection(); |
119 |
|
120 |
} |
121 |
|
122 |
protected void initSqlProperties() throws InitializeException{ |
123 |
H2StoreParameters dParams = (H2StoreParameters)this.getParameters();
|
124 |
if (dParams.getSqlSoure() != null){ |
125 |
this.sqlSource = dParams.getSqlSoure();
|
126 |
this.useSqlSource = true; |
127 |
this.sqlSelectPart = null; |
128 |
this.baseWhereClause = null; |
129 |
this.baseOrder = null; |
130 |
} else {
|
131 |
this.sqlSelectPart = "SELECT " + dParams.getFieldsString() +" FROM "+ dParams.tableID(); |
132 |
|
133 |
this.baseWhereClause = dParams.getBaseFilter();
|
134 |
|
135 |
if (dParams.getWorkingArea() != null){ |
136 |
String waWhere = getWorkingAreaWhere(dParams.getWorkingArea(), dParams.getSRISD());
|
137 |
if (waWhere != null){ |
138 |
this.baseWhereClause = "(("+this.baseWhereClause+") and "+waWhere +")"; |
139 |
} |
140 |
|
141 |
} |
142 |
|
143 |
this.baseOrder = dParams.getBaseOrder();
|
144 |
} |
145 |
} |
146 |
private String getWorkingAreaWhere(Envelope r, String strEPSG) { |
147 |
//TODO????
|
148 |
if (r==null){ |
149 |
return null; |
150 |
} |
151 |
return null; |
152 |
} |
153 |
|
154 |
|
155 |
public boolean canAlterFeatureType() { |
156 |
return true; |
157 |
} |
158 |
|
159 |
protected void doDispose() throws CloseException { |
160 |
super.doDispose();
|
161 |
} |
162 |
|
163 |
public String getName() { |
164 |
return DATASTORE_NAME;
|
165 |
} |
166 |
|
167 |
protected JDBCFeaturesWriter getFeaturesWriter() throws InitializeWriterException { |
168 |
H2FeaturesWriter writer = new H2FeaturesWriter();
|
169 |
writer.init(this);
|
170 |
return writer;
|
171 |
} |
172 |
|
173 |
public DataExplorer getExplorer() throws ReadException { |
174 |
DataManager dm = DataManager.getManager(); |
175 |
H2ExplorerParameters explorerParams = (H2ExplorerParameters)dm.createDataExplorerParameters(H2Explorer.DATAEXPLORER_NAME); |
176 |
explorerParams.loadFromStoreParameters(this.getParametersH2());
|
177 |
return dm.createDataExplorer(explorerParams);
|
178 |
} |
179 |
|
180 |
public IMetadata getMetadata() throws BaseException{ |
181 |
|
182 |
if (metadata==null){ |
183 |
IMetadataManager manager=MetadataManager.getManager(); |
184 |
metadata=manager.create(DATASTORE_NAME); |
185 |
Envelope extent=this.getFullExtent();
|
186 |
metadata.set("extent",extent);
|
187 |
// String srs=this.getSRS();
|
188 |
// metadata.set("srs",srs);
|
189 |
} |
190 |
if (this.alterMode){ |
191 |
Envelope extent=(Envelope)metadata.get("extent");
|
192 |
FeatureCollection featureCollection=(FeatureCollection)getDataCollection(); |
193 |
if (spatialManager.isFullExtentDirty()){
|
194 |
if (!featureCollection.isEmpty()){
|
195 |
Iterator featureIterator=featureCollection.iterator();
|
196 |
extent = ((Feature)featureIterator.next()).getExtent(); |
197 |
while(featureIterator.hasNext()){
|
198 |
Feature feature=(Feature)featureIterator.next(); |
199 |
Envelope boundExtent=feature.getExtent(); |
200 |
if (boundExtent!=null) { |
201 |
extent.add(boundExtent); |
202 |
} |
203 |
} |
204 |
} |
205 |
} |
206 |
metadata.set("extent",extent);
|
207 |
} |
208 |
return metadata;
|
209 |
|
210 |
|
211 |
//
|
212 |
//
|
213 |
// if (metadata==null){
|
214 |
// IMetadata tmp=super.getMetadata();
|
215 |
//
|
216 |
// return tmp;
|
217 |
// }else{
|
218 |
// return super.getMetadata();
|
219 |
// }
|
220 |
|
221 |
} |
222 |
|
223 |
|
224 |
private Envelope getFullExtent() throws ReadException { |
225 |
Envelope result = new DefaultEnvelope(2); |
226 |
|
227 |
String geomField = this.getParametersH2().getDefaultGeometryField(); |
228 |
FeatureCollection coll = (FeatureCollection) this.getDataCollection(new String[] {geomField},null,null); |
229 |
Iterator iter = coll.iterator();
|
230 |
Feature feature; |
231 |
Geometry geom; |
232 |
|
233 |
while (iter.hasNext()) {
|
234 |
feature = (Feature) iter.next(); |
235 |
geom = (Geometry) feature.getDefaultGeometry(); |
236 |
if (geom != null) { |
237 |
result.add(geom.getEnvelope()); |
238 |
} |
239 |
|
240 |
} |
241 |
|
242 |
geom = null;
|
243 |
feature = null;
|
244 |
iter = null;
|
245 |
coll.dispose(); |
246 |
|
247 |
return result;
|
248 |
} |
249 |
|
250 |
|
251 |
protected Feature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException{ |
252 |
return new H2Feature(featureType2,this,rs); |
253 |
} |
254 |
|
255 |
|
256 |
/* (non-Javadoc)
|
257 |
* @see org.gvsig.fmap.data.feature.FeatureStore#doRefresh()
|
258 |
*/
|
259 |
protected void doRefresh() throws OpenException, InitializeException { |
260 |
this.initFeatureType();
|
261 |
this.initSqlProperties();
|
262 |
} |
263 |
|
264 |
|
265 |
public boolean canWriteGeometry(int gvSIGgeometryType) { |
266 |
try {
|
267 |
return getFeaturesWriter().canWriteGeometry(gvSIGgeometryType);
|
268 |
} catch (InitializeWriterException e) {
|
269 |
e.printStackTrace(); |
270 |
} |
271 |
return false; |
272 |
} |
273 |
|
274 |
|
275 |
public Feature getByIndex(long index) throws ReadException { |
276 |
// TODO Auto-generated method stub
|
277 |
return null; |
278 |
} |
279 |
|
280 |
} |