1 files changed, 65 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/session/state/OverspeedProcessor.java b/src/main/java/org/traccar/session/state/OverspeedProcessor.java
new file mode 100644
index 000000000..62f6a3de2
--- /dev/null
+++ b/src/main/java/org/traccar/session/state/OverspeedProcessor.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2022 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.session.state;
+
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+public final class OverspeedProcessor {
+
+    public static final String ATTRIBUTE_SPEED = "speed";
+
+    private OverspeedProcessor() {
+    }
+
+    public static void updateState(
+            OverspeedState state, Position position, double speedLimit, long minimalDuration, long geofenceId) {
+
+        state.setEvent(null);
+
+        boolean oldState = state.getOverspeedState();
+        if (oldState) {
+            boolean newState = position.getSpeed() > speedLimit;
+            if (newState) {
+                if (state.getOverspeedTime() != null) {
+                    long oldTime = state.getOverspeedTime().getTime();
+                    long newTime = position.getFixTime().getTime();
+                    if (newTime - oldTime > minimalDuration) {
+
+                        Event event = new Event(Event.TYPE_DEVICE_OVERSPEED, position);
+                        event.set(ATTRIBUTE_SPEED, position.getSpeed());
+                        event.set(Position.KEY_SPEED_LIMIT, speedLimit);
+                        event.setGeofenceId(state.getOverspeedGeofenceId());
+
+                        state.setOverspeedTime(null);
+                        state.setOverspeedGeofenceId(0);
+                        state.setEvent(event);
+
+                    }
+                }
+            } else {
+                state.setOverspeedState(false);
+                state.setOverspeedTime(null);
+                state.setOverspeedGeofenceId(0);
+            }
+        } else if (position != null && position.getSpeed() > speedLimit) {
+            state.setOverspeedState(true);
+            state.setOverspeedTime(position.getFixTime());
+            state.setOverspeedGeofenceId(geofenceId);
+        }
+    }
+
+}