gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.autopolygon / src / main / java / org / gvsig / vectorediting / lib / prov / autopolygon / AutopolygonEditingProvider.java @ 2616
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2014 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.vectorediting.lib.prov.autopolygon; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.SpatialEvaluatorsFactory; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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import org.gvsig.vectorediting.lib.api.DrawingStatus; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
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import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StopServiceException; |
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import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
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import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter; |
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import org.gvsig.vectorediting.lib.spi.EditingProvider; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderFactory; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
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@SuppressWarnings("UseSpecificCatch") |
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public class AutopolygonEditingProvider extends AbstractEditingProvider |
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implements EditingProvider {
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private final EditingServiceParameter geometryParameter; |
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private final FeatureStore featureStore; |
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private Geometry geometryValue;
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public AutopolygonEditingProvider(ProviderServices services,
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DynObject parameters) { |
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super(services);
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this.featureStore =
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(FeatureStore) parameters |
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.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD); |
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this.geometryParameter =
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new DefaultEditingServiceParameter("Draw geometry", |
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"draw_geometry_to_autopolygon", Geometry.TYPES.MULTISURFACE, TYPE.GEOMETRY);
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} |
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@Override
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public EditingServiceParameter next() {
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if (geometryValue == null) { |
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return geometryParameter;
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} |
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return null; |
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} |
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@Override
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public DrawingStatus getDrawingStatus(Point mousePosition) |
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throws DrawServiceException {
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return null; |
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} |
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@Override
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public void stop() throws StopServiceException { |
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geometryValue = null;
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} |
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@Override
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> list = new ArrayList<>(); |
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list.add(geometryParameter); |
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return list;
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} |
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@Override
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public void setValue(EditingServiceParameter parameter, Object value) throws InvalidEntryException { |
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validateAndInsertValue(parameter, value); |
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} |
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@Override
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public void setValue(Object value) throws InvalidEntryException { |
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EditingServiceParameter param = next(); |
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validateAndInsertValue(param, value); |
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} |
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private void validateAndInsertValue(EditingServiceParameter param, |
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Object value) throws InvalidEntryException { |
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if (param == geometryParameter) {
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if (value instanceof Geometry ) { |
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Geometry geometry = (Geometry)value; |
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GeometryType geometryType = geometry.getGeometryType(); |
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if (geometryType.isTypeOf(Geometry.TYPES.MULTISURFACE) ||
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geometryType.isTypeOf(Geometry.TYPES.SURFACE)) { |
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geometryValue = geometry; |
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return;
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} |
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} |
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} |
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throw new InvalidEntryException(null); |
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} |
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@Override
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public void finishAndStore() throws FinishServiceException { |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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Geometry geometry = finish(); |
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editingProviderServices.insertGeometryIntoFeatureStore(geometry, |
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featureStore); |
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} |
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@Override
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public Geometry finish() throws FinishServiceException { |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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Geometry geometry = geometryValue.cloneGeometry(); |
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FeatureQuery query; |
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try {
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query = queryByGeometry(geometry); |
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if (query != null) { |
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FeatureSet features = featureStore.getFeatureSet(query); |
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DisposableIterator featuresIterator = features.fastIterator(); |
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while (featuresIterator.hasNext()) {
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Feature feature = (Feature) featuresIterator.next(); |
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geometry = |
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geometry.difference(feature.getDefaultGeometry()); |
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} |
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featuresIterator.dispose(); |
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features.dispose(); |
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} |
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GeometryType storeGeomType = |
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editingProviderServices.getGeomType(featureStore); |
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if (storeGeomType.isTypeOf(MULTISURFACE)) {
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MultiSurface multisurface; |
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multisurface = |
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GeometryLocator.getGeometryManager().createMultiSurface( |
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storeGeomType.getSubType()); |
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multisurface.addSurface((Surface)geometry); |
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return multisurface;
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} |
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} catch (Exception e) { |
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throw new FinishServiceException(e); |
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} |
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return geometry;
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} |
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@Override
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public void start() throws StartServiceException, InvalidEntryException { |
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geometryValue = null;
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} |
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@Override
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public String getName() { |
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return AutopolygonEditingProviderFactory.PROVIDER_NAME;
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} |
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private FeatureQuery queryByGeometry(Geometry geometry) throws DataException { |
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FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
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FeatureType featureType = featureStore.getDefaultFeatureType(); |
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String geomName = featureType.getDefaultGeometryAttributeName();
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featureQuery.setFeatureType(featureType); |
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IProjection query_proj = featureType.getDefaultSRS(); |
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Evaluator iee = SpatialEvaluatorsFactory.getInstance().intersects( |
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geometry, |
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query_proj, |
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featureStore |
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); |
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featureQuery.setFilter(iee); |
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featureQuery.setAttributeNames(null);
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return featureQuery;
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} |
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@Override
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public Object getValue(EditingServiceParameter parameter) { |
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if(parameter == this.geometryParameter){ |
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return geometryValue;
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} |
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return null; |
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} |
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} |