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package dk.daoas.fulddaekning;
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import java.sql.SQLException;
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import java.util.Queue;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class LookupWorker implements Runnable {
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Logger logger = Logger.getLogger( LookupWorker.class.getName() );
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int workerId;
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Lookup lookup;
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public LookupWorker(int workerId, Lookup lookup) {
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this.workerId = workerId;
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this.lookup = lookup;
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}
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@Override
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public void run() {
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Constants consts = Constants.getInstance();
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Adresse daekkede[] = lookup.getDaekkedeAdresser();
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Queue<Adresse> queue = lookup.getQueue();
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Database db = lookup.getDb();
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Adresse qAdresse;
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while ( (qAdresse = queue.poll()) != null) {
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//logger.info("Worker " + workerId + ", analyzing " + qAdresse);
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double bedsteAfstand = 9999999.999;
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Adresse bedsteAdr = null;
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for (int i=0; i<daekkede.length; i++) {
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Adresse daekket = daekkede[i];
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double afstand = Adresse.beregnAfstand(qAdresse, daekket);
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if (afstand < bedsteAfstand) {
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bedsteAfstand = afstand;
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bedsteAdr = daekket;
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}
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}
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if (bedsteAdr == null && consts.doExtendedLookup() == true) {//hvis vi ikke fandt en adresse og vi må kigge på udvidet område
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logger.info("Extended lookup for " + qAdresse);
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for (int i=0; i<Lookup.alleDaekkedeAdresser.length; i++) {
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Adresse daekket = Lookup.alleDaekkedeAdresser[i];
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double afstand = Adresse.beregnAfstand(qAdresse, daekket);
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if (afstand < bedsteAfstand) {
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bedsteAfstand = afstand;
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bedsteAdr = daekket;
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}
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}
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}
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if ( bedsteAdr != null) {
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if (bedsteAfstand <= consts.getMaxDistance() ) { //Gem kun hvis distancen er under max_distance for distributøren
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if (Lookup.verbose == true) {
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logger.info("(" +workerId + ") Bedste: " + qAdresse + "==>" + bedsteAdr + " ::: " + bedsteAfstand );
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}
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try {
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db.gemResultat(qAdresse, bedsteAdr, bedsteAfstand);
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} catch (SQLException e) {
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logger.log(Level.WARNING, "Error saving result", e);
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logger.warning("Shutting down");
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System.exit(0); //hvis at indsættelsen fejler skal vi afbryde med det samme
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}
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} else {
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logger.info("(" +workerId + ") For stor afstand " + qAdresse + " -> " + bedsteAfstand);
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}
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} else {
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logger.warning("(" +workerId + ") Ingen match til " + qAdresse);
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}
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}
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lookup.shutdownWorker( workerId);
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}
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}
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