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/*
* Copyright 2017 - 2020 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);
try {
writeLock();
if (driversByUniqueId == null) {
driversByUniqueId = new ConcurrentHashMap<>();
}
} finally {
writeUnlock();
}
}
private void addByUniqueId(Driver driver) {
try {
writeLock();
if (driversByUniqueId == null) {
driversByUniqueId = new ConcurrentHashMap<>();
}
driversByUniqueId.put(driver.getUniqueId(), driver);
} finally {
writeUnlock();
}
}
private void removeByUniqueId(String driverUniqueId) {
try {
writeLock();
if (driversByUniqueId == null) {
driversByUniqueId = new ConcurrentHashMap<>();
}
driversByUniqueId.remove(driverUniqueId);
} finally {
writeUnlock();
}
}
@Override
protected void addNewItem(Driver driver) {
super.addNewItem(driver);
addByUniqueId(driver);
}
@Override
protected void updateCachedItem(Driver driver) {
Driver cachedDriver = getById(driver.getId());
cachedDriver.setName(driver.getName());
if (!driver.getUniqueId().equals(cachedDriver.getUniqueId())) {
removeByUniqueId(cachedDriver.getUniqueId());
cachedDriver.setUniqueId(driver.getUniqueId());
addByUniqueId(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);
removeByUniqueId(driverUniqueId);
}
}
public Driver getDriverByUniqueId(String uniqueId) {
try {
readLock();
return driversByUniqueId.get(uniqueId);
} finally {
readUnlock();
}
}
}
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