101 lines
4.2 KiB
Java
101 lines
4.2 KiB
Java
import java.util.Vector;
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public class Route {
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private double[] currentLocation; //Lat-Long coordinates for current location
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private Vector<Vector<String[]>> routeSequences; //3D array for routes. 1st dim selects route, 2nd dim selects route point, 3rd dim selects lat/long/speed/tolls (indices 0-2)
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private int routeSelected;
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private boolean tollsFlag; //stores user setting for whether to avoid tolls
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private boolean hwyFlag; //stores user preference for whether to avoid major highways
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public Vector<Double> timeEstimate; //time estimate in seconds
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public Vector<Double> tollsAmount; //stores toll amount if toll roads are used
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public Destination currentDestination = new Destination();
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public Route() {
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this.routeSequences = new Vector<Vector<String[]>>();
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this.timeEstimate = new Vector<Double>();
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this.tollsAmount = new Vector<Double>();
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this.routeSelected = -1;
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}
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public Route(String destination) {
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setRouteDestination(destination);
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this.timeEstimate = new Vector<Double>();
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this.tollsAmount = new Vector<Double>();
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}
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private void updateCurrentLocation() {
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//execute api call out to GPS service to obtain current location
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//current location will be hardcoded for testing
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double[] tmpLoc = {28.1700863880887, -80.67088403224037};
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currentLocation = tmpLoc;
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}
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private void calculateRoutes() {
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//execute api call out to routing service to get route info
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//ideally a query would go out using multiple pathfiding algorithms to get route options
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//here the same call is made for demo purposes
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this.routeSequences = new Vector<Vector<String[]>>();
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updateCurrentLocation();
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HelperFunctions apiCallToRouting = new HelperFunctions();
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//route option 1
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tollsFlag = false;
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hwyFlag = false;
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routeSequences.add(apiCallToRouting.routingAPI(currentLocation, currentDestination.getDestinationAddress(), tollsFlag, hwyFlag));
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timeEstimate.add(estimateTime(routeSequences.get(0)));
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tollsAmount.add(estimateTolls(routeSequences.get(0)));
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//route option 2
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tollsFlag = false;
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hwyFlag = true;
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routeSequences.add(apiCallToRouting.routingAPI(currentLocation, currentDestination.getDestinationAddress(), tollsFlag, hwyFlag));
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timeEstimate.add(estimateTime(routeSequences.get(1)));
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tollsAmount.add(estimateTolls(routeSequences.get(1)));
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}
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public String[] enumRoutes() {
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//for testing, values are hardcoded. Would generate headings based on route characteristics ideally
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String[] routeNames = {"1. via I-95 SOUTH\n\tNo Tolls\n\tUses Highways", "2. via US-1 and Babcock St.\n\tNo Tolls\n\tAvoids Highways"};
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return routeNames;
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}
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public int countRoutesAvailable() {
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return routeSequences.size();
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}
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public void selectRoute(int userSelection) {
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routeSelected = userSelection;
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}
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public Vector<String[]> getSelectedRouteSteps() {
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return routeSequences.get(routeSelected);
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}
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public double estimateTolls(Vector<String[]> route) {
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double runningTolls = 0;
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for (String[] el : route) {
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runningTolls += Double.parseDouble(el[3]);
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}
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return runningTolls;
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}
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public double estimateTime(Vector<String[]> route) {
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//calculates distances between route segments, divided by speed in MPH
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//the API would return expected speed due to traffic conditions as part of the speed (index 2) in the route array
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double runningTime = 0;
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//steps through to get distances, calculates time based on speed estimate, and accumulates on runningTime
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for (String[] el : route) {
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runningTime += Double.parseDouble(el[1])/Double.parseDouble(el[2]);
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}
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return runningTime;
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}
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public void setRouteDestination(String destination) {
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currentDestination.setDestinationAddress(destination);
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calculateRoutes();
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}
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public void setHwyFlag(boolean flag) {hwyFlag = flag;}
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public void setTollsFlag(boolean flag) {tollsFlag = flag;}
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public boolean getHwyFlag() {return hwyFlag;}
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public boolean getTollsFlag() {return tollsFlag;}
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public int getRouteSelected() {return routeSelected;}
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}
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