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/*
* 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.sql.SQLException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.traccar.Context;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.Group;
import org.traccar.model.BaseModel;
public abstract class ExtendedObjectManager extends SimpleObjectManager {
private final Map<Long, Set<Long>> deviceItems = new ConcurrentHashMap<>();
private final Map<Long, Set<Long>> deviceItemsWithGroups = new ConcurrentHashMap<>();
private final Map<Long, Set<Long>> groupItems = new ConcurrentHashMap<>();
protected ExtendedObjectManager(DataManager dataManager, Class<? extends BaseModel> baseClass) {
super(dataManager, baseClass);
refreshExtendedPermissions();
}
public final Set<Long> getGroupItems(long groupId) {
if (!groupItems.containsKey(groupId)) {
groupItems.put(groupId, new HashSet<Long>());
}
return groupItems.get(groupId);
}
protected final void clearGroupItems() {
groupItems.clear();
}
public final Set<Long> getDeviceItems(long deviceId) {
if (!deviceItems.containsKey(deviceId)) {
deviceItems.put(deviceId, new HashSet<Long>());
}
return deviceItems.get(deviceId);
}
protected final void clearDeviceItems() {
deviceItems.clear();
}
public Set<Long> getAllDeviceItems(long deviceId) {
if (!deviceItemsWithGroups.containsKey(deviceId)) {
deviceItemsWithGroups.put(deviceId, new HashSet<Long>());
}
return deviceItemsWithGroups.get(deviceId);
}
@Override
public void removeItem(long itemId) throws SQLException {
super.removeItem(itemId);
refreshExtendedPermissions();
}
public void refreshExtendedPermissions() {
if (getDataManager() != null) {
try {
Collection<Map<String, Long>> databaseGroupPermissions =
getDataManager().getPermissions(Group.class, getBaseClass());
clearGroupItems();
for (Map<String, Long> groupPermission : databaseGroupPermissions) {
getGroupItems(groupPermission.get(DataManager.makeNameId(Group.class)))
.add(groupPermission.get(getBaseClassIdName()));
}
Collection<Map<String, Long>> databaseDevicePermissions =
getDataManager().getPermissions(Device.class, getBaseClass());
Collection<Device> allDevices = Context.getDeviceManager().getAllDevices();
clearDeviceItems();
deviceItemsWithGroups.clear();
for (Map<String, Long> devicePermission : databaseDevicePermissions) {
getDeviceItems(devicePermission.get(DataManager.makeNameId(Device.class)))
.add(devicePermission.get(getBaseClassIdName()));
getAllDeviceItems(devicePermission.get(DataManager.makeNameId(Device.class)))
.add(devicePermission.get(getBaseClassIdName()));
}
for (Device device : allDevices) {
long groupId = device.getGroupId();
while (groupId != 0) {
getAllDeviceItems(device.getId()).addAll(getGroupItems(groupId));
if (Context.getDeviceManager().getGroupById(groupId) != null) {
groupId = Context.getDeviceManager().getGroupById(groupId).getGroupId();
} else {
groupId = 0;
}
}
}
} catch (SQLException error) {
Log.warning(error);
}
}
}
}
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