Revision 24248 branches/v2_0_0_prep/libraries/libFMap_spatialindex/src/org/gvsig/fmap/data/index/spatial/gt2/QuadtreeGt2.java
| QuadtreeGt2.java | ||
|---|---|---|
| 69 | 69 |
import org.geotools.index.quadtree.fs.FileSystemIndexStore; |
| 70 | 70 |
import org.geotools.index.quadtree.fs.IndexHeader; |
| 71 | 71 |
import org.gvsig.fmap.data.exceptions.InitializeException; |
| 72 |
import org.gvsig.fmap.data.feature.FeatureReference; |
|
| 73 | 72 |
import org.gvsig.fmap.data.feature.FeatureStore; |
| 74 | 73 |
import org.gvsig.fmap.data.feature.exceptions.FeatureIndexException; |
| 74 |
import org.gvsig.fmap.data.feature.spi.FeatureReferenceProviderServices; |
|
| 75 | 75 |
import org.gvsig.fmap.data.feature.spi.index.AbstractFeatureIndexProvider; |
| 76 | 76 |
import org.gvsig.fmap.data.feature.spi.index.FeatureIndexProvider; |
| 77 | 77 |
import org.gvsig.tools.exception.BaseException; |
| ... | ... | |
| 91 | 91 |
* of rectangle, it also returned byte offset of this rectangle in shp file</li> |
| 92 | 92 |
* <li> Query artifact wasnt run well at all </li> |
| 93 | 93 |
* </ol> |
| 94 |
*
|
|
| 94 |
* |
|
| 95 | 95 |
* @author azabala |
| 96 |
*
|
|
| 96 |
* |
|
| 97 | 97 |
*/ |
| 98 | 98 |
public class QuadtreeGt2 extends AbstractFeatureIndexProvider implements FeatureIndexProvider {
|
| 99 |
|
|
| 99 |
|
|
| 100 | 100 |
public static final String NAME = "QuadtreeGt2"; |
| 101 | 101 |
/** |
| 102 | 102 |
* Geotools quadtree implementation |
| ... | ... | |
| 124 | 124 |
//int numRecs = 0; |
| 125 | 125 |
|
| 126 | 126 |
boolean inMemory = false; |
| 127 |
|
|
| 127 |
|
|
| 128 | 128 |
public QuadtreeGt2() {
|
| 129 |
|
|
| 129 |
|
|
| 130 | 130 |
} |
| 131 | 131 |
|
| 132 |
public void initialize() throws InitializeException {
|
|
| 132 |
public void initialize() throws InitializeException {
|
|
| 133 | 133 |
try {
|
| 134 | 134 |
File file = File.createTempFile(getFeatureStore().getName(), ".qix"); |
| 135 | 135 |
this.fileName = file.getAbsolutePath(); |
| 136 |
org.gvsig.fmap.geom.primitive.Envelope env = (org.gvsig.fmap.geom.primitive.Envelope) getFeatureStore().getMetadata().get("extent");
|
|
| 136 |
org.gvsig.fmap.geom.primitive.Envelope env = getFeatureStore() |
|
| 137 |
.getEnvelope(); |
|
| 137 | 138 |
int featureCount = (int) getFeatureStore().getFeatureSet().getSize(); |
| 138 | 139 |
this.byteOrder = "NM"; |
| 139 | 140 |
quadtree = new QuadTree(featureCount, toJtsEnvelope(env)); |
| 140 | 141 |
if (exists()) {
|
| 141 | 142 |
load(); |
| 142 |
}
|
|
| 143 |
} |
|
| 143 | 144 |
} catch (IOException e) {
|
| 144 | 145 |
throw new InitializeException(e); |
| 145 | 146 |
} catch (BaseException e) {
|
| 146 | 147 |
throw new InitializeException(e); |
| 147 | 148 |
} |
| 148 |
}
|
|
| 149 |
|
|
| 149 |
} |
|
| 150 |
|
|
| 150 | 151 |
/** |
| 151 | 152 |
* If the spatial index file exists and has content |
| 152 | 153 |
*/ |
| ... | ... | |
| 174 | 175 |
* Inserts an object in the index |
| 175 | 176 |
*/ |
| 176 | 177 |
public void insert(org.gvsig.fmap.geom.primitive.Envelope env, int index) {
|
| 177 |
if (env == null) |
|
| 178 |
if (env == null) {
|
|
| 178 | 179 |
throw new IllegalArgumentException("Envelope cannot be null");
|
| 180 |
} |
|
| 179 | 181 |
Envelope e = toJtsEnvelope(env); |
| 180 |
if (e == null) |
|
| 182 |
if (e == null) {
|
|
| 181 | 183 |
throw new IllegalStateException( |
| 182 | 184 |
"JTS Envelope conversion returns null"); |
| 185 |
} |
|
| 183 | 186 |
System.out.println("recno=" + index);
|
| 184 |
if (quadtree == null) |
|
| 187 |
if (quadtree == null) {
|
|
| 185 | 188 |
throw new IllegalStateException("quadtree is null");
|
| 189 |
} |
|
| 186 | 190 |
try {
|
| 187 | 191 |
quadtree.insert(index, toJtsEnvelope(env)); |
| 188 | 192 |
} catch (StoreException se) {
|
| ... | ... | |
| 192 | 196 |
} |
| 193 | 197 |
|
| 194 | 198 |
public void delete(org.gvsig.fmap.geom.primitive.Envelope env, int index) {
|
| 195 |
if (inMemory) |
|
| 199 |
if (inMemory) {
|
|
| 196 | 200 |
quadtree.delete(toJtsEnvelope(env), index); |
| 201 |
} |
|
| 197 | 202 |
} |
| 198 | 203 |
|
| 199 | 204 |
public Envelope toJtsEnvelope(org.gvsig.fmap.geom.primitive.Envelope env) {
|
| 200 |
if (env == null) |
|
| 205 |
if (env == null) {
|
|
| 201 | 206 |
return null; |
| 207 |
} |
|
| 202 | 208 |
double[] min = env.getLowerCorner(); |
| 203 | 209 |
double[] max = env.getUpperCorner(); |
| 204 | 210 |
return new Envelope(min[0], max[0], min[1], max[1]); |
| 205 | 211 |
} |
| 206 | 212 |
|
| 207 | 213 |
/** |
| 208 |
*
|
|
| 214 |
* |
|
| 209 | 215 |
* @throws StoreException |
| 210 | 216 |
* @deprecated |
| 211 | 217 |
*/ |
| ... | ... | |
| 280 | 286 |
return getFeatureIndexProviderServices().getFeatureStore(); |
| 281 | 287 |
} |
| 282 | 288 |
|
| 283 |
public void delete(Object value, FeatureReference fref) {
|
|
| 284 |
delete((org.gvsig.fmap.geom.primitive.Envelope) value, ((Integer)fref.getId()).intValue()); |
|
| 289 |
public void delete(Object value, FeatureReferenceProviderServices fref) {
|
|
| 290 |
delete((org.gvsig.fmap.geom.primitive.Envelope) value, ((Integer) fref |
|
| 291 |
.getOID()).intValue()); |
|
| 285 | 292 |
} |
| 286 | 293 |
|
| 287 |
public void insert(Object value, FeatureReference fref) {
|
|
| 288 |
insert((org.gvsig.fmap.geom.primitive.Envelope) value, ((Integer)fref.getId()).intValue()); |
|
| 294 |
public void insert(Object value, FeatureReferenceProviderServices fref) {
|
|
| 295 |
insert((org.gvsig.fmap.geom.primitive.Envelope) value, ((Integer) fref |
|
| 296 |
.getOID()).intValue()); |
|
| 289 | 297 |
} |
| 290 | 298 |
|
| 291 | 299 |
public List match(Object value) throws FeatureIndexException {
|
| 292 |
if (quadtree == null) |
|
| 300 |
if (quadtree == null) {
|
|
| 293 | 301 |
throw new IllegalStateException("This quadtree is null.");
|
| 294 |
if (value == null) |
|
| 302 |
} |
|
| 303 |
if (value == null) {
|
|
| 295 | 304 |
throw new IllegalArgumentException("Envelope cannot be null.");
|
| 296 |
if (!(value instanceof org.gvsig.fmap.geom.primitive.Envelope)) |
|
| 305 |
} |
|
| 306 |
if (!(value instanceof org.gvsig.fmap.geom.primitive.Envelope)) {
|
|
| 297 | 307 |
throw new IllegalArgumentException("Not an envelope.");
|
| 308 |
} |
|
| 298 | 309 |
return quadtree.query(toJtsEnvelope((org.gvsig.fmap.geom.primitive.Envelope) value)); |
| 299 | 310 |
} |
| 300 | 311 |
|
Also available in: Unified diff