svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libGeocoding / src / org / gvsig / geocoding / DataGeocoderImpl.java @ 27462
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2008 PRODEVELOP Main development
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*/
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package org.gvsig.geocoding; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Set; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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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.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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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.geocoding.pattern.Patterngeocoding; |
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import org.gvsig.geocoding.result.GeocodingResult; |
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import org.gvsig.geocoding.result.ScoredFeature; |
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import org.gvsig.geocoding.styles.AbstractGeocodingStyle; |
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import org.gvsig.geocoding.styles.Composed; |
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import org.gvsig.geocoding.styles.DoubleRange; |
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import org.gvsig.geocoding.styles.SimpleCentroid; |
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import org.gvsig.geocoding.styles.SimpleRange; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.locator.LocatorException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* Data geocoder implementation
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*
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* @author <a href="mailto:jsanz@prodevelop.es"> Jorge Gaspar Sanz Salinas</a>
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* @author <a href="mailto:vsanjaime@prodevelop.es"> Vicente Sanjaime Calvet</a>
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*/
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public class DataGeocoderImpl implements DataGeocoder { |
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private Logger log = LoggerFactory.getLogger(DataGeocoderImpl.class); |
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private Patterngeocoding pattern;
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private DataManager manager;
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/**
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* Constructor
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*
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* @param pat
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*/
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public DataGeocoderImpl(Patterngeocoding pat) {
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this.pattern = pat;
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manager = DALLocator.getDataManager(); |
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} |
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/**
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* set the pattern
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*
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* @param pat
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*/
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public void setPattern(Patterngeocoding pat) { |
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this.pattern = pat;
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} |
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/**
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* get the pattern
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*
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* @param pat
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*/
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public Patterngeocoding getPattern() {
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return this.pattern; |
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} |
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/**
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* Geocoding process
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*/
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public Set<GeocodingResult> geocode(Address address) |
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throws LocatorException, DataException {
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Set<GeocodingResult> geomResults = null; |
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// get the FeatureStore registred in the pattern
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FeatureStore store = getPattern().getSource().getLayerSource(); |
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// get the style
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AbstractGeocodingStyle astyle = getPattern().getSource().getStyle(); |
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Literal literalRelations = astyle.getRelationsLiteral(); |
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// SIMPLE RANGE
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if (astyle instanceof SimpleRange) { |
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SimpleRange style = (SimpleRange) astyle; |
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Literal literalAddress = ((NumberAddress) address).getMainLiteral(); |
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// literal search
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List<ScoredFeature> litResults = literalSearch(literalRelations,
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literalAddress, store); |
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// geom search
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List<List<ScoredFeature>> lists = new ArrayList<List<ScoredFeature>>(); |
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lists.add(litResults); |
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geomResults = style.match(lists, address); |
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} |
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// DOUBLE RANGE
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else if (astyle instanceof DoubleRange) { |
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DoubleRange style = (DoubleRange) astyle; |
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Literal literalAddress = ((NumberAddress) address).getMainLiteral(); |
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// literal search
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List<ScoredFeature> litResults = literalSearch(literalRelations,
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literalAddress, store); |
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// number search
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List<List<ScoredFeature>> lists = new ArrayList<List<ScoredFeature>>(); |
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lists.add(litResults); |
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geomResults = style.match(lists, address); |
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} |
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// SIMPLE CENTROID
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else if (astyle instanceof SimpleCentroid) { |
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SimpleCentroid style = (SimpleCentroid) astyle; |
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Literal mainLiteral = address.getMainLiteral(); |
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// literal search
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List<ScoredFeature> litResults = literalSearch(literalRelations,
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mainLiteral, store); |
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// Geom search
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List<List<ScoredFeature>> lists = new ArrayList<List<ScoredFeature>>(); |
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lists.add(litResults); |
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geomResults = style.match(lists, address); |
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} |
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// STYLE COMPOSED
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else if (astyle instanceof Composed) { |
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List<List<ScoredFeature>> lists = new ArrayList<List<ScoredFeature>>(); |
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Composed style = (Composed) astyle; |
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ComposeAddress cAddress = (ComposeAddress) address; |
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// main literal search
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Literal mainLiteralAddress = cAddress.getMainLiteral(); |
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List<ScoredFeature> litResults = literalSearch(literalRelations,
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mainLiteralAddress, store); |
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lists.add(litResults); |
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// search in others literals
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List<Literal> intersectslist = cAddress.getIntersectionLiteral();
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for (Literal addrLiteral : intersectslist) {
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// literal search
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List<ScoredFeature> secList = literalSearch(literalRelations,
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addrLiteral, store); |
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lists.add(secList); |
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} |
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// Match
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geomResults = style.match(lists, address); |
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} |
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return geomResults;
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} |
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/**
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* first scouting process, search literal elements in store
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*
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* @param literalRelations
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* @param literalAddress
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* @param store
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* @return
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* @throws DataException
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*/
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private List<ScoredFeature> literalSearch(Literal literalRelations, |
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Literal literalAddress, FeatureStore store) throws DataException {
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List<FeatureSelection> sels = new ArrayList<FeatureSelection>(); |
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FeatureSet features = null;
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String exp = ""; |
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int i = 0; |
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// search features related with the parameters
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for (Object obj : literalRelations) { |
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RelationsComponent lit = (RelationsComponent) obj; |
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FeatureSelection selection = store.createFeatureSelection(); |
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FeatureQuery query = store.createFeatureQuery(); |
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String key = lit.getKeyElement().trim();
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String chain = getValueAddress(key, literalAddress);
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FeatureAttributeDescriptor field = lit.getValue(); |
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if (i == 0) { |
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exp = field.getName() + " like '%" + chain + "%'"; |
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} else {
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exp = exp + " AND " + field.getName() + " like '%" + chain |
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+ "%'";
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} |
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Evaluator eval = manager.createExpresion(exp); |
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query.setFilter(eval); |
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features = store.getFeatureSet(query); |
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selection.select(features); |
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sels.add(selection); |
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log.debug("Selection " + i + " : " + selection.getSelectedCount()); |
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i++; |
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} |
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// Put scores
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List<ScoredFeature> scores = createLiteralScores(store, sels);
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return scores;
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} |
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/**
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* Create score of the feature to first search
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*
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* @param store
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* @param sels
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* @return
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* @throws DataException
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*/
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@SuppressWarnings("unchecked") |
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private List<ScoredFeature> createLiteralScores(FeatureStore store, |
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List<FeatureSelection> sels) throws DataException { |
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List<ScoredFeature> scores = new ArrayList<ScoredFeature>(); |
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FeatureSet features = store.getFeatureSet(); |
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for (Iterator<Feature> it = features.iterator(); it.hasNext();) { |
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Feature feature = it.next(); |
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double num = 0; |
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for (int i = 0; i < sels.size(); i++) { |
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FeatureSelection sel = sels.get(i); |
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if (sel.isSelected(feature)) {
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num = num + scorePonderated(i, sels.size()); |
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} |
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} |
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if (num > 0.0) { |
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ScoredFeature scoFeat = new ScoredFeature();
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scoFeat.setReference(feature.getReference()); |
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scoFeat.setScore(num); |
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scores.add(scoFeat); |
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} |
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} |
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return scores;
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} |
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/**
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* Get the score value ponderated
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*
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* @param i
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* position
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* @param total
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* @return score
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*/
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private double scorePonderated(int i, int total) { |
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double score = 100.0/(2.0*(i+1)); |
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return score;
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} |
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/**
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* Get address value from key
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*
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* @param key
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* @param litAddress
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* @return
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*/
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private String getValueAddress(String key, Literal litAddress) { |
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String value = ""; |
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for (Object obj : litAddress) { |
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AddressComponent comp = (AddressComponent) obj; |
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String key2 = comp.getKeyElement();
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if (key.compareTo(key2) == 0) { |
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value = comp.getValue(); |
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break;
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} |
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} |
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return value;
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} |
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} |