gvsig-geoprocess / org.gvsig.sextante / trunk / org.gvsig.sextante.app / org.gvsig.sextante.app.algorithm / org.gvsig.sextante.app.algorithm.base / src / main / java / org / gvsig / sextante / app / algorithm / base / core / GeometryOperation.java @ 90
History | View | Annotate | Download (8 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.sextante.app.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.FeatureSet; |
31 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
32 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeatureSelection; |
33 |
import org.gvsig.sextante.app.extension.core.IProgressModel; |
34 |
import org.gvsig.tools.dispose.DisposableIterator; |
35 |
|
36 |
/**
|
37 |
* Each geometry operation have to inherit from this class.
|
38 |
*
|
39 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
|
40 |
*/
|
41 |
public abstract class GeometryOperation { |
42 |
protected DALFeaturePersister persister = null; |
43 |
protected FeatureStore inFeatureStore = null; |
44 |
protected ArrayList<FeatureStore> inFeatureStoreList = null; |
45 |
protected boolean selectedGeom = false; |
46 |
protected int numberOfFeatures = 0; |
47 |
protected EditableFeature lastEditFeature = null; |
48 |
protected IProgressModel progressModel = null; |
49 |
|
50 |
/**
|
51 |
* Invokes this operation and returns an EditableFeature
|
52 |
* @param g
|
53 |
* @param featureInput
|
54 |
* @return
|
55 |
*/
|
56 |
public abstract EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature featureInput); |
57 |
|
58 |
/**
|
59 |
* Invokes this operation
|
60 |
* @param g
|
61 |
* @param featureInput
|
62 |
*/
|
63 |
public abstract void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature featureInput); |
64 |
|
65 |
/**
|
66 |
* Sets the output FeatureType and the input attributes for this feature
|
67 |
* @param out
|
68 |
* @throws DataException
|
69 |
*/
|
70 |
public void setFeatureStore(FeatureStore out, String[] attrNames) throws DataException { |
71 |
persister = new DALFeaturePersister(out, attrNames);
|
72 |
} |
73 |
|
74 |
/**
|
75 |
* Gets the last result of this operation
|
76 |
* @return
|
77 |
*/
|
78 |
public Object getResult() { |
79 |
return lastEditFeature;
|
80 |
} |
81 |
|
82 |
/**
|
83 |
* Computes a complete operation over the input FeatureStore. The result of this operation
|
84 |
* is stored in the output FeatureStore. This method will call once for each geometry.
|
85 |
* @param inFeatStore
|
86 |
* Input FeatureStore
|
87 |
* @param outFeatStore
|
88 |
* Output FeatureStore
|
89 |
* @param attrNames
|
90 |
* List of attributes to build the output feature store
|
91 |
* @param selectedGeom
|
92 |
* If it is true only the selected geometries will be processed
|
93 |
* @throws DataException
|
94 |
*/
|
95 |
@SuppressWarnings("unchecked") |
96 |
public void computesGeometryOperation(FeatureStore inFeatStore, |
97 |
FeatureStore outFeatStore, |
98 |
String[] attrNames, |
99 |
boolean selectedGeom,
|
100 |
boolean closeOutStore) throws DataException { |
101 |
this.inFeatureStore = inFeatStore;
|
102 |
this.selectedGeom = selectedGeom;
|
103 |
FeatureSet featuresSet = null;
|
104 |
featuresSet = inFeatStore.getFeatureSet(); |
105 |
|
106 |
if(outFeatStore != null) |
107 |
setFeatureStore(outFeatStore, attrNames); |
108 |
DisposableIterator it = null;
|
109 |
|
110 |
if(selectedGeom) {
|
111 |
DataSet ds = inFeatStore.getSelection(); |
112 |
it = ((DefaultFeatureSelection)ds).iterator(); |
113 |
} else
|
114 |
it = featuresSet.iterator(); |
115 |
numberOfFeatures = (int)featuresSet.getSize();
|
116 |
if(progressModel != null) |
117 |
progressModel.setTotalNumberOfSteps(numberOfFeatures); |
118 |
|
119 |
int iCount = 0; |
120 |
while( it.hasNext() ) {
|
121 |
Feature feature = (Feature)it.next(); |
122 |
List geomList = feature.getGeometries();
|
123 |
|
124 |
if(progressModel != null) |
125 |
progressModel.setProgress(iCount); |
126 |
iCount ++; |
127 |
|
128 |
if(geomList == null) { |
129 |
org.gvsig.fmap.geom.Geometry geom = feature.getDefaultGeometry(); |
130 |
invoke(geom, feature); |
131 |
continue;
|
132 |
} |
133 |
|
134 |
Iterator<org.gvsig.fmap.geom.Geometry> itGeom = geomList.iterator();
|
135 |
boolean first = true; |
136 |
EditableFeature editFeat = null;
|
137 |
while(itGeom.hasNext()) {
|
138 |
org.gvsig.fmap.geom.Geometry g = itGeom.next(); |
139 |
if(first) {
|
140 |
editFeat = invoke(g, feature); |
141 |
first = false;
|
142 |
} else
|
143 |
invoke(g, editFeat); |
144 |
} |
145 |
} |
146 |
|
147 |
if(closeOutStore && persister != null) |
148 |
persister.end(); |
149 |
} |
150 |
|
151 |
/**
|
152 |
* Computes a complete operation over the input FeatureStore. The result of this operation
|
153 |
* is stored in the output FeatureStore. This method will call once for each feature.
|
154 |
* @param inFeatStore
|
155 |
* Input FeatureStore
|
156 |
* @param outFeatStore
|
157 |
* Output FeatureStore
|
158 |
* @param attrNames
|
159 |
* List of attributes to build the output feature store
|
160 |
* @param selectedGeom
|
161 |
* If it is true only the selected geometries will be processed
|
162 |
* @throws DataException
|
163 |
*/
|
164 |
public void computesFeatureOperation(FeatureStore inFeatStore, |
165 |
FeatureStore outFeatStore, |
166 |
String[] attrNames, |
167 |
boolean selectedGeom,
|
168 |
boolean closeOutStore) throws DataException { |
169 |
this.inFeatureStore = inFeatStore;
|
170 |
this.selectedGeom = selectedGeom;
|
171 |
FeatureSet featuresSet = null;
|
172 |
featuresSet = inFeatStore.getFeatureSet(); |
173 |
|
174 |
if(outFeatStore != null) |
175 |
setFeatureStore(outFeatStore, attrNames); |
176 |
DisposableIterator it = null;
|
177 |
|
178 |
if(selectedGeom) {
|
179 |
DataSet ds = inFeatStore.getSelection(); |
180 |
it = ((DefaultFeatureSelection)ds).iterator(); |
181 |
} else
|
182 |
it = featuresSet.iterator(); |
183 |
numberOfFeatures = (int)featuresSet.getSize();
|
184 |
|
185 |
if(progressModel != null) |
186 |
progressModel.setTotalNumberOfSteps(numberOfFeatures); |
187 |
|
188 |
int iCount = 0; |
189 |
while( it.hasNext() ) {
|
190 |
Feature feature = (Feature)it.next(); |
191 |
invoke(null, feature);
|
192 |
if(progressModel != null) |
193 |
progressModel.setProgress(iCount); |
194 |
iCount ++; |
195 |
} |
196 |
|
197 |
if(closeOutStore && persister != null) |
198 |
persister.end(); |
199 |
} |
200 |
|
201 |
/**
|
202 |
* Computes a complete operation over the input list of FeatureStore. The result of this operation
|
203 |
* is stored in the output FeatureStore. This method will call once for each geometry.
|
204 |
* @param inFeatStoreList
|
205 |
* Input FeatureStore list
|
206 |
* @param outFeatStore
|
207 |
* Output FeatureStore
|
208 |
* @param attrNames
|
209 |
* List of attributes to build the output feature store
|
210 |
* @param selectedGeom
|
211 |
* If it is true only the selected geometries will be processed
|
212 |
* @throws DataException
|
213 |
*/
|
214 |
public void computesGeometryOperationInAList(ArrayList<FeatureStore> inFeatStoreList, |
215 |
FeatureStore outFeatStore, |
216 |
String[] attrNames, |
217 |
boolean selectedGeom,
|
218 |
boolean closeOutStore) throws DataException { |
219 |
this.inFeatureStoreList = inFeatStoreList;
|
220 |
IProgressModel pModel = progressModel; |
221 |
|
222 |
if(progressModel != null) { |
223 |
progressModel.setTotalNumberOfSteps(inFeatStoreList.size()); |
224 |
pModel = progressModel; |
225 |
progressModel = null; //Esto es para que computesGeometryOperation no actualice la barra |
226 |
} |
227 |
|
228 |
int iCount = 0; |
229 |
for (int i = 0; i < inFeatStoreList.size(); i++) { |
230 |
if(pModel != null) |
231 |
pModel.setProgress(iCount); |
232 |
iCount ++; |
233 |
computesGeometryOperation(inFeatStoreList.get(i), |
234 |
i == 0 ? outFeatStore : null, |
235 |
attrNames, |
236 |
selectedGeom, |
237 |
false);
|
238 |
} |
239 |
|
240 |
this.progressModel = pModel;
|
241 |
|
242 |
if(closeOutStore && persister != null) |
243 |
persister.end(); |
244 |
} |
245 |
|
246 |
/**
|
247 |
* Ends the edition and closes the FeatureStore
|
248 |
* @deprecated
|
249 |
*/
|
250 |
public void end() { |
251 |
persister.end(); |
252 |
} |
253 |
|
254 |
public void setProgressModel(IProgressModel pModel) { |
255 |
this.progressModel = pModel;
|
256 |
} |
257 |
|
258 |
} |