diff options
Diffstat (limited to 'src/main/java/org/traccar/database')
3 files changed, 0 insertions, 272 deletions
diff --git a/src/main/java/org/traccar/database/BaseObjectManager.java b/src/main/java/org/traccar/database/BaseObjectManager.java deleted file mode 100644 index c94053985..000000000 --- a/src/main/java/org/traccar/database/BaseObjectManager.java +++ /dev/null @@ -1,174 +0,0 @@ -/* - * 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.Collection; -import java.util.HashSet; -import java.util.LinkedList; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.locks.ReadWriteLock; -import java.util.concurrent.locks.ReentrantReadWriteLock; - -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; -import org.traccar.model.BaseModel; -import org.traccar.storage.StorageException; - -public class BaseObjectManager<T extends BaseModel> { - - private static final Logger LOGGER = LoggerFactory.getLogger(BaseObjectManager.class); - - private final ReadWriteLock lock = new ReentrantReadWriteLock(); - - private final DataManager dataManager; - - private final Class<T> baseClass; - private Map<Long, T> items; - - protected BaseObjectManager(DataManager dataManager, Class<T> baseClass) { - this.dataManager = dataManager; - this.baseClass = baseClass; - refreshItems(); - } - - protected final void readLock() { - lock.readLock().lock(); - } - - protected final void readUnlock() { - lock.readLock().unlock(); - } - - protected final void writeLock() { - lock.writeLock().lock(); - } - - protected final void writeUnlock() { - lock.writeLock().unlock(); - } - - protected final DataManager getDataManager() { - return dataManager; - } - - public T getById(long itemId) { - try { - readLock(); - return items.get(itemId); - } finally { - readUnlock(); - } - } - - public void refreshItems() { - if (dataManager != null) { - try { - writeLock(); - Collection<T> databaseItems = dataManager.getObjects(baseClass); - if (items == null) { - items = new ConcurrentHashMap<>(databaseItems.size()); - } - Set<Long> databaseItemIds = new HashSet<>(); - for (T item : databaseItems) { - databaseItemIds.add(item.getId()); - if (items.containsKey(item.getId())) { - updateCachedItem(item); - } else { - addNewItem(item); - } - } - for (Long cachedItemId : items.keySet()) { - if (!databaseItemIds.contains(cachedItemId)) { - removeCachedItem(cachedItemId); - } - } - } catch (StorageException error) { - LOGGER.warn("Error refreshing items", error); - } finally { - writeUnlock(); - } - } - } - - protected void addNewItem(T item) { - try { - writeLock(); - items.put(item.getId(), item); - } finally { - writeUnlock(); - } - } - - public void addItem(T item) throws StorageException { - dataManager.addObject(item); - addNewItem(item); - } - - protected void updateCachedItem(T item) { - try { - writeLock(); - items.put(item.getId(), item); - } finally { - writeUnlock(); - } - } - - public void updateItem(T item) throws StorageException { - dataManager.updateObject(item); - updateCachedItem(item); - } - - protected void removeCachedItem(long itemId) { - try { - writeLock(); - items.remove(itemId); - } finally { - writeUnlock(); - } - } - - public void removeItem(long itemId) throws StorageException { - BaseModel item = getById(itemId); - if (item != null) { - dataManager.removeObject(baseClass, itemId); - removeCachedItem(itemId); - } - } - - public final Collection<T> getItems(Set<Long> itemIds) { - Collection<T> result = new LinkedList<>(); - for (long itemId : itemIds) { - T item = getById(itemId); - if (item != null) { - result.add(item); - } - } - return result; - } - - public Set<Long> getAllItems() { - try { - readLock(); - return items.keySet(); - } finally { - readUnlock(); - } - } - -} diff --git a/src/main/java/org/traccar/database/DeviceManager.java b/src/main/java/org/traccar/database/DeviceManager.java deleted file mode 100644 index 7a472c2d4..000000000 --- a/src/main/java/org/traccar/database/DeviceManager.java +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2016 - 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.database; - -import org.traccar.model.Device; - -import java.util.Set; -import java.util.concurrent.atomic.AtomicLong; - -public class DeviceManager extends BaseObjectManager<Device> { - - private final AtomicLong devicesLastUpdate = new AtomicLong(); - - public DeviceManager(DataManager dataManager) { - super(dataManager, Device.class); - } - - public void updateDeviceCache(boolean force) { - long lastUpdate = devicesLastUpdate.get(); - if ((force || System.currentTimeMillis() - lastUpdate > 300000L) - && devicesLastUpdate.compareAndSet(lastUpdate, System.currentTimeMillis())) { - refreshItems(); - } - } - - @Override - public Set<Long> getAllItems() { - Set<Long> result = super.getAllItems(); - if (result.isEmpty()) { - updateDeviceCache(true); - result = super.getAllItems(); - } - return result; - } - - @Override - protected void updateCachedItem(Device device) { - Device cachedDevice = getById(device.getId()); - cachedDevice.setName(device.getName()); - cachedDevice.setGroupId(device.getGroupId()); - cachedDevice.setCategory(device.getCategory()); - cachedDevice.setContact(device.getContact()); - cachedDevice.setPhone(device.getPhone()); - cachedDevice.setModel(device.getModel()); - cachedDevice.setDisabled(device.getDisabled()); - cachedDevice.setAttributes(device.getAttributes()); - cachedDevice.setUniqueId(device.getUniqueId()); - } - - @Override - protected void removeCachedItem(long deviceId) { - Device cachedDevice = getById(deviceId); - if (cachedDevice != null) { - super.removeCachedItem(deviceId); - } - } - -} diff --git a/src/main/java/org/traccar/database/SimpleObjectManager.java b/src/main/java/org/traccar/database/SimpleObjectManager.java deleted file mode 100644 index 8bb22b8a8..000000000 --- a/src/main/java/org/traccar/database/SimpleObjectManager.java +++ /dev/null @@ -1,27 +0,0 @@ -/* - * 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 org.traccar.model.BaseModel; - -public abstract class SimpleObjectManager<T extends BaseModel> extends BaseObjectManager<T> { - - protected SimpleObjectManager(DataManager dataManager, Class<T> baseClass) { - super(dataManager, baseClass); - } - -} |