| 1 |
package dk.daoas.adressevedligehold.afstandandenrute;
|
| 2 |
|
| 3 |
import java.sql.SQLException;
|
| 4 |
import java.util.ArrayList;
|
| 5 |
import java.util.Map;
|
| 6 |
import java.util.Queue;
|
| 7 |
import java.util.concurrent.CyclicBarrier;
|
| 8 |
import java.util.concurrent.atomic.AtomicInteger;
|
| 9 |
import java.util.logging.Level;
|
| 10 |
|
| 11 |
import ags.utils.dataStructures.MaxHeap;
|
| 12 |
import ags.utils.dataStructures.trees.thirdGenKD.DistanceFunction;
|
| 13 |
import ags.utils.dataStructures.trees.thirdGenKD.KdTree;
|
| 14 |
import ags.utils.dataStructures.trees.thirdGenKD.SquareEuclideanDistanceFunction;
|
| 15 |
import dk.daoas.adressevedligehold.ServiceConfig;
|
| 16 |
import dk.daoas.adressevedligehold.beans.Address;
|
| 17 |
import dk.daoas.adressevedligehold.tasks.Task;
|
| 18 |
import dk.daoas.adressevedligehold.tasks.TaskLogger;
|
| 19 |
|
| 20 |
public class LookupWorker implements Runnable {
|
| 21 |
|
| 22 |
static final int MAX_RESULTS = 99;
|
| 23 |
|
| 24 |
|
| 25 |
private TaskLogger logger = TaskLogger.getInstance();
|
| 26 |
|
| 27 |
OSRMHelper osrmHelper = new OSRMHelper();
|
| 28 |
|
| 29 |
CyclicBarrier barrier;
|
| 30 |
Queue<Address> ikkeDaekkede;
|
| 31 |
Map<Short, KdTree<Address>> hoTrees;
|
| 32 |
Database db;
|
| 33 |
Constants consts;
|
| 34 |
|
| 35 |
AtomicInteger antalFundne;
|
| 36 |
AtomicInteger antalBeregnet;
|
| 37 |
|
| 38 |
int workerID;
|
| 39 |
boolean verbose;
|
| 40 |
|
| 41 |
Task task;
|
| 42 |
|
| 43 |
DistanceFunction dist = new SquareEuclideanDistanceFunction();
|
| 44 |
|
| 45 |
public LookupWorker(int workerID,
|
| 46 |
Task task,
|
| 47 |
CyclicBarrier barrier,
|
| 48 |
Queue<Address> ikkeDaekkede,
|
| 49 |
Map<Short, KdTree<Address>> hoTrees,
|
| 50 |
AtomicInteger antalFundne,
|
| 51 |
AtomicInteger antalBeregnet,
|
| 52 |
Database db,
|
| 53 |
boolean verbose,
|
| 54 |
Constants consts) {
|
| 55 |
|
| 56 |
this.workerID = workerID;
|
| 57 |
this.task = task;
|
| 58 |
this.barrier = barrier;
|
| 59 |
this.ikkeDaekkede = ikkeDaekkede;
|
| 60 |
this.hoTrees = hoTrees;
|
| 61 |
this.antalFundne = antalFundne;
|
| 62 |
this.antalBeregnet = antalBeregnet;
|
| 63 |
this.db = db;
|
| 64 |
this.verbose = verbose;
|
| 65 |
this.consts = consts;
|
| 66 |
|
| 67 |
}
|
| 68 |
|
| 69 |
|
| 70 |
@Override
|
| 71 |
public void run() {
|
| 72 |
System.out.println( "Worker/" + workerID + " starting");
|
| 73 |
|
| 74 |
ServiceConfig conf = ServiceConfig.getInstance();
|
| 75 |
|
| 76 |
try (BarrierMarker marker = new BarrierMarker() ) {
|
| 77 |
while ( ! ikkeDaekkede.isEmpty() ) {
|
| 78 |
|
| 79 |
if (task.isAborted()) {
|
| 80 |
System.out.println( "Worker/" + workerID + " aborting");
|
| 81 |
break;
|
| 82 |
}
|
| 83 |
|
| 84 |
|
| 85 |
Address qAddress = ikkeDaekkede.remove();
|
| 86 |
|
| 87 |
short ho = qAddress.ho;
|
| 88 |
KdTree<Address> addressTree = hoTrees.get(ho);
|
| 89 |
|
| 90 |
MaxHeap<Address> res = addressTree.findNearestNeighbors(qAddress.xyz, MAX_RESULTS, dist);
|
| 91 |
//Collection<Address> res = addressTree.nearestNeighbourSearch(MAX_RESULTS, qAddress);
|
| 92 |
int size = res.size();
|
| 93 |
if (size > MAX_RESULTS ) {
|
| 94 |
System.out.println("Returnerede mere end MAX_RESULTS> " + res.size() );
|
| 95 |
throw new Exception("Returnerede mere end MAX_RESULTS> " + res.size());
|
| 96 |
}
|
| 97 |
|
| 98 |
ArrayList<Address> adrList = new ArrayList<Address>();
|
| 99 |
|
| 100 |
for (int i=0; i<size; i++) {
|
| 101 |
Address a = res.getMax();
|
| 102 |
adrList.add(a);
|
| 103 |
res.removeMax();
|
| 104 |
}
|
| 105 |
Address bedsteAdr = adrList.get(size-1); //da det er en max-heap er det elementet med størst distance der er først og dermed den sidste der er tættest
|
| 106 |
double bedsteAfstand = GeoPointHelper.beregnAfstand(qAddress, bedsteAdr);
|
| 107 |
|
| 108 |
|
| 109 |
if ( conf.useOsrm == true) {
|
| 110 |
//Hvis at den er inden for afstand, så prøver vi at lave findNærmste på vej distancen
|
| 111 |
if (bedsteAfstand <= consts.getMaxDistance()) {
|
| 112 |
|
| 113 |
Address bedsteAdr2 = osrmHelper.getNearestTableHttp(qAddress, adrList);
|
| 114 |
|
| 115 |
if (bedsteAdr2 != null) {
|
| 116 |
bedsteAdr = bedsteAdr2;
|
| 117 |
bedsteAfstand = GeoPointHelper.beregnAfstand(qAddress, bedsteAdr);
|
| 118 |
} else {
|
| 119 |
logger.info("OSRM returned null for " + qAddress);
|
| 120 |
}
|
| 121 |
}
|
| 122 |
}
|
| 123 |
|
| 124 |
|
| 125 |
|
| 126 |
|
| 127 |
|
| 128 |
if (bedsteAfstand <= consts.getMaxDistance() ) { //Gem kun hvis distancen er under max_distance for distributøren
|
| 129 |
if (verbose == true) {
|
| 130 |
logger.fine("(" +workerID + ") Bedste: " + qAddress + "==>" + bedsteAdr + " ::: " + bedsteAfstand );
|
| 131 |
}
|
| 132 |
|
| 133 |
antalFundne.incrementAndGet();
|
| 134 |
|
| 135 |
try {
|
| 136 |
db.gemResultat(qAddress, bedsteAdr, bedsteAfstand);
|
| 137 |
} catch (SQLException e) {
|
| 138 |
logger.warning("Error saving result", e);
|
| 139 |
logger.warning("Shutting down");
|
| 140 |
throw e; // rethrow
|
| 141 |
}
|
| 142 |
} else {
|
| 143 |
if (verbose == true) {
|
| 144 |
System.out.println("For stor afstand: " + qAddress + " > " + bedsteAfstand);
|
| 145 |
}
|
| 146 |
}
|
| 147 |
|
| 148 |
antalBeregnet.incrementAndGet();
|
| 149 |
}
|
| 150 |
|
| 151 |
} catch (Exception e) {
|
| 152 |
logger.log( Level.SEVERE, "Worker/" + workerID, e);
|
| 153 |
task.doAbort();
|
| 154 |
}
|
| 155 |
|
| 156 |
|
| 157 |
|
| 158 |
|
| 159 |
System.out.println( "Worker/" + workerID + " stopping");
|
| 160 |
}
|
| 161 |
|
| 162 |
|
| 163 |
/**
|
| 164 |
* Makes sure the barrier is touched correctly no matter how the the current code block is exited.
|
| 165 |
* @author thn
|
| 166 |
*
|
| 167 |
*/
|
| 168 |
public class BarrierMarker implements AutoCloseable {
|
| 169 |
@Override
|
| 170 |
public void close() {
|
| 171 |
try {
|
| 172 |
logger.info( "Worker/" + workerID + " afventer barrier");
|
| 173 |
barrier.await();
|
| 174 |
} catch (Exception e) {
|
| 175 |
logger.log(Level.SEVERE, e.getMessage(), e);
|
| 176 |
}
|
| 177 |
}
|
| 178 |
}
|
| 179 |
|
| 180 |
}
|
Parent Directory
| 
Revision Log