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-rw-r--r--src/org/traccar/database/GeofenceManager.java191
1 files changed, 191 insertions, 0 deletions
diff --git a/src/org/traccar/database/GeofenceManager.java b/src/org/traccar/database/GeofenceManager.java
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+++ b/src/org/traccar/database/GeofenceManager.java
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+package org.traccar.database;
+
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+import org.traccar.helper.Log;
+import org.traccar.model.Device;
+import org.traccar.model.Geofence;
+import org.traccar.model.GroupGeofence;
+import org.traccar.model.UserDeviceGeofence;
+import org.traccar.model.GeofencePermission;
+
+public class GeofenceManager {
+
+ private final DataManager dataManager;
+
+ private final Map<Long, Geofence> geofences = new HashMap<>();
+ private final Map<Long, Set<Long>> userGeofences = new HashMap<>();
+ private final Map<Long, Set<Long>> groupGeofences = new HashMap<>();
+
+ private final Map<Long, Set<Long>> deviceGeofences = new HashMap<>();
+ private final Map<Long, Map<Long, Set<Long>>> userDeviceGeofences = new HashMap<>();
+
+ private final ReadWriteLock deviceGeofencesLock = new ReentrantReadWriteLock();
+ private final ReadWriteLock geofencesLock = new ReentrantReadWriteLock();
+ private final ReadWriteLock groupGeofencesLock = new ReentrantReadWriteLock();
+
+ public GeofenceManager(DataManager dataManager) {
+ this.dataManager = dataManager;
+ refresh();
+ }
+
+ public Set<Long> getUserGeofencesIds(long userId) {
+ if (!userGeofences.containsKey(userId)) {
+ userGeofences.put(userId, new HashSet<Long>());
+ }
+ return userGeofences.get(userId);
+ }
+
+ private Set<Long> getGroupGeofences(long groupId) {
+ if (!groupGeofences.containsKey(groupId)) {
+ groupGeofences.put(groupId, new HashSet<Long>());
+ }
+ return groupGeofences.get(groupId);
+ }
+
+ public Set<Long> getAllDeviceGeofences(long deviceId) {
+ deviceGeofencesLock.readLock().lock();
+ try {
+ return getDeviceGeofences(deviceGeofences, deviceId);
+ } finally {
+ deviceGeofencesLock.readLock().unlock();
+ }
+
+ }
+
+ public Set<Long> getUserDeviceGeofences(long userId, long deviceId) {
+ deviceGeofencesLock.readLock().lock();
+ try {
+ return getUserDeviceGeofencesUnlocked(userId, deviceId);
+ } finally {
+ deviceGeofencesLock.readLock().unlock();
+ }
+ }
+
+ private Set<Long> getDeviceGeofences(Map<Long, Set<Long>> deviceGeofences, long deviceId) {
+ if (!deviceGeofences.containsKey(deviceId)) {
+ deviceGeofences.put(deviceId, new HashSet<Long>());
+ }
+ return deviceGeofences.get(deviceId);
+ }
+
+ private Set<Long> getUserDeviceGeofencesUnlocked(long userId, long deviceId) {
+ if (!userDeviceGeofences.containsKey(userId)) {
+ userDeviceGeofences.put(userId, new HashMap<Long, Set<Long>>());
+ }
+ return getDeviceGeofences(userDeviceGeofences.get(userId), deviceId);
+ }
+
+ public final void refresh() {
+ if (dataManager != null) {
+ try {
+ geofencesLock.writeLock().lock();
+ groupGeofencesLock.writeLock().lock();
+ deviceGeofencesLock.writeLock().lock();
+ try {
+ geofences.clear();
+ for (Geofence geofence : dataManager.getGeofences()) {
+ geofences.put(geofence.getId(), geofence);
+ }
+
+ userGeofences.clear();
+ for (GeofencePermission geofencePermission : dataManager.getGeofencePermissions()) {
+ getUserGeofencesIds(geofencePermission.getUserId()).add(geofencePermission.getGeofenceId());
+ }
+
+ groupGeofences.clear();
+ for (GroupGeofence groupGeofence : dataManager.getGroupGeofences()) {
+ getGroupGeofences(groupGeofence.getGroupId()).add(groupGeofence.getGeofenceId());
+ }
+
+ deviceGeofences.clear();
+
+ for (Map.Entry<Long, Map<Long, Set<Long>>> deviceGeofence : userDeviceGeofences.entrySet()) {
+ deviceGeofence.getValue().clear();
+ }
+ userDeviceGeofences.clear();
+
+ for (UserDeviceGeofence userDeviceGeofence : dataManager.getUserDeviceGeofences()) {
+ getDeviceGeofences(deviceGeofences, userDeviceGeofence.getDeviceId())
+ .add(userDeviceGeofence.getGeofenceId());
+ getUserDeviceGeofencesUnlocked(userDeviceGeofence.getUserId(), userDeviceGeofence.getDeviceId())
+ .add(userDeviceGeofence.getGeofenceId());
+ }
+ for (Device device : dataManager.getAllDevices()) {
+ long groupId = device.getGroupId();
+ while (groupId != 0) {
+ getDeviceGeofences(deviceGeofences, device.getId()).addAll(getGroupGeofences(groupId));
+ groupId = dataManager.getGroupById(groupId).getGroupId();
+ }
+ }
+
+ } finally {
+ geofencesLock.writeLock().unlock();
+ groupGeofencesLock.writeLock().unlock();
+ deviceGeofencesLock.writeLock().unlock();
+ }
+
+ } catch (SQLException error) {
+ Log.warning(error);
+ }
+ }
+ }
+
+ public final Collection<Geofence> getAllGeofences() {
+ geofencesLock.readLock().lock();
+ try {
+ return geofences.values();
+ } finally {
+ geofencesLock.readLock().unlock();
+ }
+ }
+
+ public final Collection<Geofence> getUserGeofences(long userId) {
+ geofencesLock.readLock().lock();
+ try {
+ Collection<Geofence> result = new LinkedList<>();
+ for (Long geofenceId : getUserGeofencesIds(userId)) {
+ result.add(getGeofence(geofenceId));
+ }
+ return result;
+ } finally {
+ geofencesLock.readLock().unlock();
+ }
+ }
+
+ public final Geofence getGeofence(Long geofenceId) {
+ geofencesLock.readLock().lock();
+ try {
+ return geofences.get(geofenceId);
+ } finally {
+ geofencesLock.readLock().unlock();
+ }
+ }
+
+ public final void updateGeofence(Geofence geofence) {
+ geofencesLock.writeLock().lock();
+ try {
+ geofences.put(geofence.getId(), geofence);
+ } finally {
+ geofencesLock.writeLock().unlock();
+ }
+ try {
+ dataManager.updateGeofence(geofence);
+ } catch (SQLException error) {
+ Log.warning(error);
+ }
+ }
+
+ public boolean checkGeofence(long userId, long geofenceId) {
+ return getUserGeofencesIds(userId).contains(geofenceId);
+ }
+
+}