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package dk.daoas.daoadresseservice;
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import org.apache.commons.lang3.StringUtils;
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import dk.daoas.daoadresseservice.admin.ServiceConfig;
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import dk.daoas.daoadresseservice.beans.SearchRequest;
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import dk.daoas.daoadresseservice.beans.SearchResult;
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public class LevenshteinStreetnameHelper implements StreetnameHelper {
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ServiceConfig conf;
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public LevenshteinStreetnameHelper(ServiceConfig conf) {
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this.conf = conf;
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}
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@Override
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public String proposeStreetName(SearchRequest request, SearchResult result) {
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if (conf.useLevenshtein == false)
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return null;
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result.levenshtein = true;
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for(String vej : request.streetNames.keySet() ) {
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if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 1) {
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System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=1");
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result.levenshteinDistance = 1;
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return vej;
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}
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}
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/*
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Distance=2 laver også false positives - så udkommenter denne sektion indtil at den er mere robust
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//prøv igen med distance=2
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for(String vej : request.streetNames.keySet() ) {
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if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 2) {
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System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=2");
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result.levenshteinDistance = 2;
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return vej;
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}
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}*/
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return null;
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}
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}
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