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 / WrappedSpatialIndex.java @ 47594
History | View | Annotate | Download (7.45 KB)
1 |
/* gvSIG. Desktop Geographic Information System.
|
---|---|
2 |
*
|
3 |
* Copyright ? 2007-2017 gvSIG Association
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
18 |
* MA 02110-1301, USA.
|
19 |
*
|
20 |
* For any additional information, do not hesitate to contact us
|
21 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
22 |
*/
|
23 |
package org.gvsig.fmap.dal.feature.impl; |
24 |
|
25 |
import java.util.ArrayList; |
26 |
import java.util.Iterator; |
27 |
import java.util.List; |
28 |
import org.gvsig.fmap.dal.feature.Feature; |
29 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
30 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
31 |
import org.gvsig.fmap.dal.feature.impl.featurereference.FeatureReferenceFactory; |
32 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
33 |
import org.gvsig.fmap.geom.Geometry; |
34 |
import org.gvsig.fmap.geom.SpatialIndex; |
35 |
import org.gvsig.fmap.geom.SpatialIndexFactory; |
36 |
import org.gvsig.fmap.geom.primitive.Envelope; |
37 |
import org.gvsig.tools.exception.BaseException; |
38 |
import org.gvsig.tools.service.Manager; |
39 |
import org.gvsig.tools.visitor.VisitCanceledException; |
40 |
import org.gvsig.tools.visitor.Visitor; |
41 |
|
42 |
/**
|
43 |
* @author fdiaz
|
44 |
*
|
45 |
*/
|
46 |
public class WrappedSpatialIndex implements SpatialIndex { |
47 |
|
48 |
private final SpatialIndex index; |
49 |
private final FeatureStore store; |
50 |
|
51 |
protected class Oid2FeatureReferenceVisitor implements Visitor { |
52 |
|
53 |
private final Visitor wrapedVisitor; |
54 |
|
55 |
public Oid2FeatureReferenceVisitor(Visitor wrapedVisitor) {
|
56 |
this.wrapedVisitor = wrapedVisitor;
|
57 |
} |
58 |
|
59 |
@Override
|
60 |
public void visit(Object oid) throws VisitCanceledException, BaseException { |
61 |
FeatureReference ref = FeatureReferenceFactory.createFromOID(store, oid); |
62 |
wrapedVisitor.visit(ref); |
63 |
} |
64 |
|
65 |
} |
66 |
|
67 |
protected class Oid2FeatureReferenceIterator implements Iterator<FeatureReference> { |
68 |
|
69 |
private final Iterator wrapedIterator; |
70 |
|
71 |
public Oid2FeatureReferenceIterator(Iterator wrapedIterator) { |
72 |
this.wrapedIterator = wrapedIterator;
|
73 |
} |
74 |
|
75 |
@Override
|
76 |
public boolean hasNext() { |
77 |
return this.wrapedIterator.hasNext(); |
78 |
} |
79 |
|
80 |
@Override
|
81 |
public FeatureReference next() {
|
82 |
Object oid = this.wrapedIterator.next(); |
83 |
FeatureReference ref = FeatureReferenceFactory.createFromOID( |
84 |
store, oid); |
85 |
return ref;
|
86 |
} |
87 |
|
88 |
@Override
|
89 |
public void remove() { |
90 |
this.wrapedIterator.remove();
|
91 |
} |
92 |
} |
93 |
|
94 |
public WrappedSpatialIndex(SpatialIndex index, FeatureStore store) {
|
95 |
this.index = index;
|
96 |
this.store = store;
|
97 |
} |
98 |
|
99 |
@Override
|
100 |
public SpatialIndexFactory getFactory() {
|
101 |
return this.index.getFactory(); |
102 |
} |
103 |
|
104 |
@Override
|
105 |
public void open() { |
106 |
this.index.open();
|
107 |
} |
108 |
|
109 |
@Override
|
110 |
public void close() { |
111 |
this.index.close();
|
112 |
} |
113 |
|
114 |
@Override
|
115 |
public void query(Envelope envelope, Visitor visitor) { |
116 |
this.index.query(envelope, new Oid2FeatureReferenceVisitor(visitor)); |
117 |
} |
118 |
|
119 |
@Override
|
120 |
public void query(Geometry geom, Visitor visitor) { |
121 |
this.index.query(geom, new Oid2FeatureReferenceVisitor(visitor)); |
122 |
} |
123 |
|
124 |
@Override
|
125 |
public Iterator<FeatureReference> query(Envelope envelope, long limit) { |
126 |
return new Oid2FeatureReferenceIterator(this.index.query(envelope, limit)); |
127 |
} |
128 |
|
129 |
@Override
|
130 |
public Iterator<FeatureReference> query(Envelope envelope) { |
131 |
return new Oid2FeatureReferenceIterator(this.index.query(envelope)); |
132 |
} |
133 |
|
134 |
@Override
|
135 |
public Iterator<FeatureReference> query(Geometry geom, long limit) { |
136 |
return new Oid2FeatureReferenceIterator(this.index.query(geom, limit)); |
137 |
} |
138 |
|
139 |
@Override
|
140 |
public Iterator<FeatureReference> query(Geometry geom) { |
141 |
return new Oid2FeatureReferenceIterator(this.index.query(geom)); |
142 |
} |
143 |
|
144 |
@Override
|
145 |
public Iterator<FeatureReference> queryNearest(Envelope envelope, long limit) { |
146 |
return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope, limit)); |
147 |
} |
148 |
|
149 |
@Override
|
150 |
public Iterator <FeatureReference>queryNearest(Envelope envelope) { |
151 |
return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope)); |
152 |
} |
153 |
|
154 |
@Override
|
155 |
public Iterator<FeatureReference> queryNearest(Geometry geom, long limit) { |
156 |
return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom, limit)); |
157 |
} |
158 |
|
159 |
@Override
|
160 |
public Iterator<FeatureReference> queryNearest(Geometry geom) { |
161 |
return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom)); |
162 |
} |
163 |
|
164 |
@Override
|
165 |
public Iterator<FeatureReference> queryAll() { |
166 |
return new Oid2FeatureReferenceIterator(this.index.queryAll()); |
167 |
} |
168 |
|
169 |
@Override
|
170 |
public List<FeatureReference> queryAsList(Envelope envelope) { |
171 |
return asList( this.query(envelope)); |
172 |
} |
173 |
|
174 |
@Override
|
175 |
public List<FeatureReference> queryAsList(Geometry geom) { |
176 |
return asList( this.query(geom)); |
177 |
} |
178 |
|
179 |
@Override
|
180 |
public List<FeatureReference> queryAllAsList() { |
181 |
return asList( this.queryAll()); |
182 |
} |
183 |
|
184 |
@Override
|
185 |
public void insert(Envelope envelope, Object data) { |
186 |
this.index.insert(envelope, getOID(data));
|
187 |
} |
188 |
|
189 |
@Override
|
190 |
public void insert(Geometry geom, Object data) { |
191 |
this.index.insert(geom, getOID(data));
|
192 |
} |
193 |
|
194 |
@Override
|
195 |
public void insert(Geometry geom) { |
196 |
this.index.insert(geom);
|
197 |
} |
198 |
|
199 |
@Override
|
200 |
public boolean remove(Envelope envelope, Object data) { |
201 |
return this.index.remove(envelope, getOID(data)); |
202 |
} |
203 |
|
204 |
@Override
|
205 |
public boolean remove(Geometry geom, Object data) { |
206 |
return this.index.remove(geom, getOID(data)); |
207 |
} |
208 |
|
209 |
@Override
|
210 |
public boolean remove(Geometry geom) { |
211 |
return this.index.remove(geom); |
212 |
} |
213 |
|
214 |
@Override
|
215 |
public void removeAll() { |
216 |
this.index.removeAll();
|
217 |
} |
218 |
|
219 |
@Override
|
220 |
public long size() { |
221 |
return this.index.size(); |
222 |
} |
223 |
|
224 |
@Override
|
225 |
public void flush() { |
226 |
this.index.flush();
|
227 |
} |
228 |
|
229 |
@Override
|
230 |
public Manager getManager() {
|
231 |
return this.index.getManager(); |
232 |
} |
233 |
|
234 |
protected Object getOID(Object obj) { |
235 |
if( obj == null ) { |
236 |
return null; |
237 |
} |
238 |
if( obj instanceof FeatureReferenceProviderServices ) { |
239 |
return ((FeatureReferenceProviderServices)obj).getOID();
|
240 |
} |
241 |
if( obj instanceof Feature ) { |
242 |
FeatureReference f = ((Feature)obj).getReference(); |
243 |
return ((FeatureReferenceProviderServices)f).getOID();
|
244 |
} |
245 |
if( obj instanceof Number ) { |
246 |
return obj;
|
247 |
} |
248 |
throw new IllegalArgumentException("Can't get OID from object of type '"+obj.getClass().getName()+"'."); |
249 |
} |
250 |
|
251 |
protected List<FeatureReference> asList(Iterator it) { |
252 |
List l = new ArrayList(); |
253 |
while (it.hasNext()) {
|
254 |
l.add(it.next()); |
255 |
} |
256 |
return l;
|
257 |
} |
258 |
} |