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package org.mule.example.gpswalker; |
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import org.mule.api.annotations.Schedule; |
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import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean; |
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16 | 0 | public class CityStroller |
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{ |
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19 | 0 | public static final GpsCoord SAN_FRANCISCO = new GpsCoord(37.789167f, -122.419281f); |
20 | 0 | public static final GpsCoord LONDON = new GpsCoord(37.788423f, -122.39823f); |
21 | 0 | public static final GpsCoord VALLETTA = new GpsCoord(35.898504f, 14.514313f); |
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24 | 0 | private volatile GpsCoord currentCoord = SAN_FRANCISCO; |
25 | 0 | private AtomicBoolean firstTime = new AtomicBoolean(true); |
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public GpsCoord generateNextCoord() |
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{ |
30 | 0 | if (firstTime.get()) |
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{ |
32 | 0 | firstTime.set(false); |
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} |
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else |
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{ |
36 | 0 | double dist = Math.random() * 0.002; |
37 | 0 | double angle = Math.random() * Math.PI; |
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40 | 0 | float lat = currentCoord.getLatitude() + (float) (dist * Math.sin(angle)); |
41 | 0 | float lng = currentCoord.getLongitude() + (float) (dist * Math.cos(angle)); |
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43 | 0 | currentCoord = new GpsCoord(lat, lng); |
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} |
45 | 0 | return currentCoord; |
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} |
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public GpsCoord getCurrentCoord() |
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{ |
50 | 0 | return currentCoord; |
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} |
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public void setCurrentCoord(GpsCoord currentCoord) |
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{ |
55 | 0 | this.currentCoord = currentCoord; |
56 | 0 | firstTime.set(false); |
57 | 0 | } |
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} |