Geofences

1 files changed, 74 insertions, 0 deletions

diff --git a/src/org/traccar/events/GeofenceEventHandler.java b/src/org/traccar/events/GeofenceEventHandler.java
new file mode 100644
index 000000000..bf9060ca1
--- /dev/null
+++ b/src/org/traccar/events/GeofenceEventHandler.java
@@ -0,0 +1,74 @@
+package org.traccar.events;
+
+import java.sql.SQLException;
+import java.util.Set;
+
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.database.DataManager;
+import org.traccar.database.GeofenceManager;
+import org.traccar.helper.Log;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+public class GeofenceEventHandler extends BaseEventHandler {
+
+    private int suppressRepeated;
+    private GeofenceManager geofenceManager;
+    private DataManager dataManager;
+
+    public GeofenceEventHandler() {
+        suppressRepeated = Context.getConfig().getInteger("event.suppressRepeated", 60);
+        geofenceManager = Context.getGeofenceManager();
+        dataManager = Context.getDataManager();
+    }
+
+    @Override
+    protected Event analizePosition(Position position) {
+        Event event = null;
+        if (!isLastPosition() || !position.getValid()) {
+            return event;
+        }
+
+        Device device = dataManager.getDeviceById(position.getDeviceId());
+        if (device == null) {
+            return event;
+        }
+
+        Set<Long> geofences = geofenceManager.getAllDeviceGeofences(position.getDeviceId());
+        if (geofences == null) {
+            return event;
+        }
+        long geofenceId = 0;
+        for (Long geofence : geofences) {
+            if (geofenceManager.getGeofence(geofence).getGeometry()
+                    .containsPoint(position.getLatitude(), position.getLongitude())) {
+                geofenceId = geofence;
+                break;
+            }
+        }
+
+        if (device.getGeofenceId() != geofenceId) {
+            try {
+                if (geofenceId == 0) {
+                    event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId());
+                    event.setGeofenceId(device.getGeofenceId());
+                } else {
+                    event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId());
+                    event.setGeofenceId(geofenceId);
+                }
+                if (event != null && !dataManager.getLastEvents(
+                    position.getDeviceId(), event.getType(), suppressRepeated).isEmpty()) {
+                    event = null;
+                }
+                device.setGeofenceId(geofenceId);
+                dataManager.updateDeviceStatus(device);
+            } catch (SQLException error) {
+                Log.warning(error);
+            }
+
+        }
+        return event;
+    }
+}