1 files changed, 73 insertions, 0 deletions
diff --git a/src/org/traccar/database/DriversManager.java b/src/org/traccar/database/DriversManager.java
new file mode 100644
index 000000000..930951460
--- /dev/null
+++ b/src/org/traccar/database/DriversManager.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 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.database;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.traccar.model.Driver;
+
+public class DriversManager extends ExtendedObjectManager<Driver> {
+
+    private Map<String, Driver> driversByUniqueId;
+
+    public DriversManager(DataManager dataManager) {
+        super(dataManager, Driver.class);
+        if (driversByUniqueId == null) {
+            driversByUniqueId = new ConcurrentHashMap<>();
+        }
+    }
+
+    private void putUniqueDriverId(Driver driver) {
+        if (driversByUniqueId == null) {
+            driversByUniqueId = new ConcurrentHashMap<>(getAllItems().size());
+        }
+        driversByUniqueId.put(driver.getUniqueId(), driver);
+    }
+
+    @Override
+    protected void addNewItem(Driver driver) {
+        super.addNewItem(driver);
+        putUniqueDriverId(driver);
+    }
+
+    @Override
+    protected void updateCachedItem(Driver driver) {
+        Driver cachedDriver = getById(driver.getId());
+        cachedDriver.setName(driver.getName());
+        if (!driver.getUniqueId().equals(cachedDriver.getUniqueId())) {
+            driversByUniqueId.remove(cachedDriver.getUniqueId());
+            cachedDriver.setUniqueId(driver.getUniqueId());
+            putUniqueDriverId(cachedDriver);
+        }
+        cachedDriver.setAttributes(driver.getAttributes());
+    }
+
+    @Override
+    protected void removeCachedItem(long driverId) {
+        Driver cachedDriver = getById(driverId);
+        if (cachedDriver != null) {
+            String driverUniqueId = cachedDriver.getUniqueId();
+            super.removeCachedItem(driverId);
+            driversByUniqueId.remove(driverUniqueId);
+        }
+    }
+
+    public Driver getDriverByUniqueId(String uniqueId) {
+        return driversByUniqueId.get(uniqueId);
+    }
+}