gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.base / src / main / java / org / gvsig / geoprocess / algorithm / base / core / GeometryOperation.java @ 218
History | View | Annotate | Download (8.11 KB)
1 |
/*
|
---|---|
2 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
3 |
*
|
4 |
* Copyright (C) 2010 Generalitat Valenciana.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
19 |
*/
|
20 |
package org.gvsig.geoprocess.algorithm.base.core; |
21 |
|
22 |
import java.util.ArrayList; |
23 |
import java.util.Iterator; |
24 |
import java.util.List; |
25 |
|
26 |
import org.gvsig.fmap.dal.DataSet; |
27 |
import org.gvsig.fmap.dal.exception.DataException; |
28 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
29 |
import org.gvsig.fmap.dal.feature.Feature; |
30 |
import org.gvsig.fmap.dal.feature.FeatureSelection; |
31 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
32 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
33 |
import org.gvsig.geoprocess.core.IProgressModel; |
34 |
import org.gvsig.geoprocess.lib.api.ProgressModel; |
35 |
import org.gvsig.tools.dispose.DisposableIterator; |
36 |
|
37 |
/**
|
38 |
* Each geometry operation have to inherit from this class.
|
39 |
*
|
40 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
|
41 |
*/
|
42 |
public abstract class GeometryOperation { |
43 |
protected DALFeaturePersister persister = null; |
44 |
protected FeatureStore inFeatureStore = null; |
45 |
protected ArrayList<FeatureStore> inFeatureStoreList = null; |
46 |
protected boolean selectedGeom = false; |
47 |
protected int numberOfFeatures = 0; |
48 |
protected EditableFeature lastEditFeature = null; |
49 |
protected ProgressModel progressModel = null; |
50 |
|
51 |
/**
|
52 |
* Invokes this operation and returns an EditableFeature
|
53 |
* @param g
|
54 |
* @param featureInput
|
55 |
* @return
|
56 |
*/
|
57 |
public abstract EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature featureInput); |
58 |
|
59 |
/**
|
60 |
* Invokes this operation
|
61 |
* @param g
|
62 |
* @param featureInput
|
63 |
*/
|
64 |
public abstract void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature featureInput); |
65 |
|
66 |
/**
|
67 |
* Sets the output FeatureType and the input attributes for this feature
|
68 |
* @param out
|
69 |
* @throws DataException
|
70 |
*/
|
71 |
public void setFeatureStore(FeatureStore out, String[] attrNames) throws DataException { |
72 |
persister = new DALFeaturePersister(out, attrNames);
|
73 |
} |
74 |
|
75 |
/**
|
76 |
* Gets the last result of this operation
|
77 |
* @return
|
78 |
*/
|
79 |
public Object getResult() { |
80 |
return lastEditFeature;
|
81 |
} |
82 |
|
83 |
/**
|
84 |
* Computes a complete operation over the input FeatureStore. The result of this operation
|
85 |
* is stored in the output FeatureStore. This method will call once for each geometry.
|
86 |
* @param inFeatStore
|
87 |
* Input FeatureStore
|
88 |
* @param outFeatStore
|
89 |
* Output FeatureStore
|
90 |
* @param attrNames
|
91 |
* List of attributes to build the output feature store
|
92 |
* @param selectedGeom
|
93 |
* If it is true only the selected geometries will be processed
|
94 |
* @throws DataException
|
95 |
*/
|
96 |
@SuppressWarnings("unchecked") |
97 |
public void computesGeometryOperation(FeatureStore inFeatStore, |
98 |
FeatureStore outFeatStore, |
99 |
String[] attrNames, |
100 |
boolean selectedGeom,
|
101 |
boolean closeOutStore) throws DataException { |
102 |
this.inFeatureStore = inFeatStore;
|
103 |
this.selectedGeom = selectedGeom;
|
104 |
FeatureSet featuresSet = null;
|
105 |
featuresSet = inFeatStore.getFeatureSet(); |
106 |
|
107 |
if(outFeatStore != null) |
108 |
setFeatureStore(outFeatStore, attrNames); |
109 |
DisposableIterator it = null;
|
110 |
|
111 |
if(selectedGeom) {
|
112 |
DataSet ds = inFeatStore.getSelection(); |
113 |
it = ((FeatureSelection) ds).iterator(); |
114 |
} else
|
115 |
it = featuresSet.iterator(); |
116 |
numberOfFeatures = (int)featuresSet.getSize();
|
117 |
if(progressModel != null) |
118 |
progressModel.setTotalNumberOfSteps(numberOfFeatures); |
119 |
|
120 |
int iCount = 0; |
121 |
while( it.hasNext() ) {
|
122 |
Feature feature = (Feature)it.next(); |
123 |
List geomList = feature.getGeometries();
|
124 |
|
125 |
if(progressModel != null) |
126 |
progressModel.setProgress(iCount); |
127 |
iCount ++; |
128 |
|
129 |
if(geomList == null) { |
130 |
org.gvsig.fmap.geom.Geometry geom = feature.getDefaultGeometry(); |
131 |
invoke(geom, feature); |
132 |
continue;
|
133 |
} |
134 |
|
135 |
Iterator<org.gvsig.fmap.geom.Geometry> itGeom = geomList.iterator();
|
136 |
boolean first = true; |
137 |
EditableFeature editFeat = null;
|
138 |
while(itGeom.hasNext()) {
|
139 |
org.gvsig.fmap.geom.Geometry g = itGeom.next(); |
140 |
if(first) {
|
141 |
editFeat = invoke(g, feature); |
142 |
first = false;
|
143 |
} else
|
144 |
invoke(g, editFeat); |
145 |
} |
146 |
} |
147 |
|
148 |
if(closeOutStore && persister != null) |
149 |
persister.end(); |
150 |
} |
151 |
|
152 |
/**
|
153 |
* Computes a complete operation over the input FeatureStore. The result of this operation
|
154 |
* is stored in the output FeatureStore. This method will call once for each feature.
|
155 |
* @param inFeatStore
|
156 |
* Input FeatureStore
|
157 |
* @param outFeatStore
|
158 |
* Output FeatureStore
|
159 |
* @param attrNames
|
160 |
* List of attributes to build the output feature store
|
161 |
* @param selectedGeom
|
162 |
* If it is true only the selected geometries will be processed
|
163 |
* @throws DataException
|
164 |
*/
|
165 |
public void computesFeatureOperation(FeatureStore inFeatStore, |
166 |
FeatureStore outFeatStore, |
167 |
String[] attrNames, |
168 |
boolean selectedGeom,
|
169 |
boolean closeOutStore) throws DataException { |
170 |
this.inFeatureStore = inFeatStore;
|
171 |
this.selectedGeom = selectedGeom;
|
172 |
FeatureSet featuresSet = null;
|
173 |
featuresSet = inFeatStore.getFeatureSet(); |
174 |
|
175 |
if(outFeatStore != null) |
176 |
setFeatureStore(outFeatStore, attrNames); |
177 |
DisposableIterator it = null;
|
178 |
|
179 |
if(selectedGeom) {
|
180 |
DataSet ds = inFeatStore.getSelection(); |
181 |
it = ((FeatureSelection) ds).iterator(); |
182 |
} else
|
183 |
it = featuresSet.iterator(); |
184 |
numberOfFeatures = (int)featuresSet.getSize();
|
185 |
|
186 |
if(progressModel != null) |
187 |
progressModel.setTotalNumberOfSteps(numberOfFeatures); |
188 |
|
189 |
int iCount = 0; |
190 |
while( it.hasNext() ) {
|
191 |
Feature feature = (Feature)it.next(); |
192 |
invoke(null, feature);
|
193 |
if(progressModel != null) |
194 |
progressModel.setProgress(iCount); |
195 |
iCount ++; |
196 |
} |
197 |
|
198 |
if(closeOutStore && persister != null) |
199 |
persister.end(); |
200 |
} |
201 |
|
202 |
/**
|
203 |
* Computes a complete operation over the input list of FeatureStore. The result of this operation
|
204 |
* is stored in the output FeatureStore. This method will call once for each geometry.
|
205 |
* @param inFeatStoreList
|
206 |
* Input FeatureStore list
|
207 |
* @param outFeatStore
|
208 |
* Output FeatureStore
|
209 |
* @param attrNames
|
210 |
* List of attributes to build the output feature store
|
211 |
* @param selectedGeom
|
212 |
* If it is true only the selected geometries will be processed
|
213 |
* @throws DataException
|
214 |
*/
|
215 |
public void computesGeometryOperationInAList(ArrayList<FeatureStore> inFeatStoreList, |
216 |
FeatureStore outFeatStore, |
217 |
String[] attrNames, |
218 |
boolean selectedGeom,
|
219 |
boolean closeOutStore) throws DataException { |
220 |
this.inFeatureStoreList = inFeatStoreList;
|
221 |
ProgressModel pModel = progressModel; |
222 |
|
223 |
if(progressModel != null) { |
224 |
progressModel.setTotalNumberOfSteps(inFeatStoreList.size()); |
225 |
pModel = progressModel; |
226 |
progressModel = null; //Esto es para que computesGeometryOperation no actualice la barra |
227 |
} |
228 |
|
229 |
int iCount = 0; |
230 |
for (int i = 0; i < inFeatStoreList.size(); i++) { |
231 |
if(pModel != null) |
232 |
pModel.setProgress(iCount); |
233 |
iCount ++; |
234 |
computesGeometryOperation(inFeatStoreList.get(i), |
235 |
i == 0 ? outFeatStore : null, |
236 |
attrNames, |
237 |
selectedGeom, |
238 |
false);
|
239 |
} |
240 |
|
241 |
this.progressModel = pModel;
|
242 |
|
243 |
if(closeOutStore && persister != null) |
244 |
persister.end(); |
245 |
} |
246 |
|
247 |
/**
|
248 |
* Ends the edition and closes the FeatureStore
|
249 |
* @deprecated
|
250 |
*/
|
251 |
public void end() { |
252 |
persister.end(); |
253 |
} |
254 |
|
255 |
public void setProgressModel(IProgressModel pModel) { |
256 |
this.progressModel = pModel;
|
257 |
} |
258 |
|
259 |
public void setProgressModel(ProgressModel pModel) { |
260 |
this.progressModel = pModel;
|
261 |
} |
262 |
} |