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-rw-r--r--src/org/traccar/events/MaintenanceEventHandler.java70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/org/traccar/events/MaintenanceEventHandler.java b/src/org/traccar/events/MaintenanceEventHandler.java
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+++ b/src/org/traccar/events/MaintenanceEventHandler.java
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+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+public class MaintenanceEventHandler extends BaseEventHandler {
+
+ public static final String ATTRIBUTE_MAINTENANCE_START = "maintenance.start";
+ public static final String ATTRIBUTE_MAINTENANCE_INTERVAL = "maintenance.interval";
+
+ @Override
+ protected Collection<Event> analyzePosition(Position position) {
+ Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId());
+ if (device == null || !Context.getIdentityManager().isLatestPosition(position)) {
+ return null;
+ }
+
+ double maintenanceInterval = Context.getDeviceManager()
+ .lookupServerDouble(device.getId(), ATTRIBUTE_MAINTENANCE_INTERVAL, 0);
+ if (maintenanceInterval == 0) {
+ return null;
+ }
+ double maintenanceStart = Context.getDeviceManager()
+ .lookupServerDouble(device.getId(), ATTRIBUTE_MAINTENANCE_START, 0);
+
+ Collection<Event> events = new ArrayList<>();
+ double oldTotalDistance = 0.0;
+ double newTotalDistance = 0.0;
+
+ Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+ if (lastPosition != null && lastPosition.getAttributes().containsKey(Position.KEY_TOTAL_DISTANCE)) {
+ oldTotalDistance = ((Number) lastPosition.getAttributes().get(Position.KEY_TOTAL_DISTANCE)).doubleValue();
+ }
+
+ if (position.getAttributes().containsKey(Position.KEY_TOTAL_DISTANCE)) {
+ newTotalDistance = ((Number) position.getAttributes().get(Position.KEY_TOTAL_DISTANCE)).doubleValue();
+ }
+
+ oldTotalDistance -= maintenanceStart;
+ newTotalDistance -= maintenanceStart;
+ if ((long) (oldTotalDistance / maintenanceInterval) < (long) (newTotalDistance / maintenanceInterval)) {
+ events.add(new Event(Event.TYPE_MAINTENANCE_NEEDED, position.getDeviceId(), position.getId()));
+ }
+
+ return events;
+ }
+
+}