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Optimize the Stop search. Issue #15

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RODRIGUEZ lucas 2024-03-25 18:10:09 +01:00
parent 4d2ec04534
commit 7fdb281ede
4 changed files with 19 additions and 53 deletions
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1
src/main/java/fr/u_paris/gla/project/itinerary/Graph.java
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@ -1,5 +1,6 @@
package fr.u_paris.gla.project.itinerary;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

66
src/main/java/fr/u_paris/gla/project/itinerary/Main.java
View file

@ -48,88 +48,50 @@ public class Main{
return new double[] {Double.parseDouble(stringCoords[0]), Double.parseDouble(stringCoords[1])};
}
private static List<Stop> getStops(HashSet<Stop> nodes, String name, String gps) {
double []coords = getCoords(gps);
return nodes.stream().filter(
stop -> stop.getName().equals(name)
&& stop.getLatitude() == coords[0]
&& stop.getLongitude() == coords[1]
).toList();
}
/*
private static Stop getOrCreateStop(HashSet<Stop> nodes, String name, String gps, String lineId) {
List<Stop> stops = getStops(nodes, name, gps);
if (stops.isEmpty()) {
private static Stop getOrCreateStop(HashSet<Stop> nodes, HashMap<String, Stop> tmp, String name, String gps, String lineId) {
Stop stop = tmp.get(gps);
if (stop == null) {
double[] coords = getCoords(gps);
Stop newStop = new Stop(lineId, name, coords[0], coords[1]);
nodes.add(newStop);
tmp.put(gps, newStop);
return newStop;
}
else if (stops.size() == 1) {
stops.get(0).addLine(lineId);
return stops.get(0);
}
else {
LOGGER.severe("Error in graph creation");
return null;
stop.addLine(lineId);
return stop;
}
}
public static int lineNB = 0;
private static void addLine(String[] line, HashSet<Stop> nodes, HashMap<Integer, Set<Connection>> connections) {
// TODO Cas particulier ou une ligne a le même nom
Stop fromStop = getOrCreateStop(nodes, line[IDFM_TRACE_FROM_INDEX], line[IDFM_TRACE_FROM_GPS_INDEX], line[IDFM_TRACE_ID_INDEX]);
Stop toStop = getOrCreateStop(nodes, line[IDFM_TRACE_TO_INDEX], line[IDFM_TRACE_TO_GPS_INDEX], line[IDFM_TRACE_ID_INDEX]);
if (fromStop == null || toStop == null)
return;
private static void addLine(String[] line, HashSet<Stop> nodes, HashMap<String, Stop> tmp, HashMap<Stop, Set<Connection>> connections) {
Stop fromStop = getOrCreateStop(nodes, tmp, line[IDFM_TRACE_FROM_INDEX], line[IDFM_TRACE_FROM_GPS_INDEX], line[IDFM_TRACE_ID_INDEX]);
Stop toStop = getOrCreateStop(nodes, tmp, line[IDFM_TRACE_TO_INDEX], line[IDFM_TRACE_TO_GPS_INDEX], line[IDFM_TRACE_ID_INDEX]);
String[] timeString = line[IDFM_TRACE_TIME_INDEX].split(":");
int time = Integer.parseInt(timeString[0]) * 60 + Integer.parseInt(timeString[1]);
Connection connection = new Connection(toStop.getId(), line[IDFM_TRACE_ID_INDEX], Double.parseDouble(line[IDFM_TRACE_DISTANCE_INDEX]), time);
Connection connection = new Connection(toStop, line[IDFM_TRACE_ID_INDEX], Double.parseDouble(line[IDFM_TRACE_DISTANCE_INDEX]), time);
connections.computeIfAbsent(fromStop.getId(), k -> new HashSet<>()).add(connection);
/*
Set<Connection> linesConnections = connections.get(fromStop.getId());
String[] timeString = line[IDFM_TRACE_TIME_INDEX].split(":");
int time = Integer.parseInt(timeString[0]) * 60 + Integer.parseInt(timeString[1]);
Connection connection = new Connection(toStop.getId(), line[IDFM_TRACE_ID_INDEX], Double.parseDouble(line[IDFM_TRACE_DISTANCE_INDEX]), time);
if (linesConnections == null)
connections.put(fromStop.getId(), new HashSet<>(List.of(connection)));
else
linesConnections.add(connection);
if (lineNB++ % 1000 == 0) {
LOGGER.log(Level.INFO,"Added line " + line[IDFM_TRACE_ID_INDEX] + " from " + line[IDFM_TRACE_FROM_INDEX] + " to " + line[IDFM_TRACE_TO_INDEX] + ", line " + lineNB);
connections.computeIfAbsent(fromStop, k -> new HashSet<>()).add(connection);
}
}
*/
public static void main(String[] args){
// TODO ajouter option du nom en argument
if (args.length != 0) {
LOGGER.severe("Invalid command line. Target file names are in the main file for now.");
return;
}
/*
try {
HashSet<Stop> nodes = new HashSet<>();
HashMap<Integer, Set<Connection>> connections = new HashMap<>();
HashMap<Stop, Set<Connection>> connections = new HashMap<>();
HashMap<String, Stop> tmp = new HashMap<>();
CSVTools.readCSVFromFile(TRACE_FILE_NAME,
(String[] line) -> addLine(line, nodes, connections));
(String[] line) -> addLine(line, nodes, tmp, connections));
Graph<Stop> graph = new Graph<>(nodes, connections);
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "Error while reading the line paths", e);
}
*/
}
}

3
src/main/java/fr/u_paris/gla/project/itinerary/Stop.java
View file

@ -9,8 +9,11 @@ public class Stop implements GraphNode {
private final int id;
private final Set<String> lines;
private final String name;
private final double latitude;
private final double longitude;
public Stop(String line, String name, double latitude, double longitude) {