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-rw-r--r--src/org/traccar/database/AliasesManager.java113
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diff --git a/src/org/traccar/database/AliasesManager.java b/src/org/traccar/database/AliasesManager.java
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+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 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.ArrayList;
+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.AttributeAlias;
+
+public class AliasesManager {
+
+ private final DataManager dataManager;
+
+ private final Map<Long, Set<AttributeAlias>> deviceAliases = new ConcurrentHashMap<>();
+ private final Map<Long, AttributeAlias> aliasesById = new ConcurrentHashMap<>();
+
+ public AliasesManager(DataManager dataManager) {
+ this.dataManager = dataManager;
+ if (dataManager != null) {
+ try {
+ for (AttributeAlias attributeAlias : dataManager.getAttributeAliases()) {
+ getAttributeAliases(attributeAlias.getDeviceId())
+ .add(attributeAlias);
+ aliasesById.put(attributeAlias.getId(), attributeAlias);
+ }
+ } catch (SQLException error) {
+ Log.warning(error);
+ }
+ }
+ }
+
+ public Set<AttributeAlias> getAttributeAliases(long deviceId) {
+ if (!deviceAliases.containsKey(deviceId)) {
+ deviceAliases.put(deviceId, new HashSet<AttributeAlias>());
+ }
+ return deviceAliases.get(deviceId);
+ }
+
+ public void removeDevice(long deviceId) {
+ for (AttributeAlias attributeAlias : getAttributeAliases(deviceId)) {
+ aliasesById.remove(attributeAlias.getId());
+ }
+ deviceAliases.remove(deviceId);
+ }
+
+ public void addAttributeAlias(AttributeAlias attributeAlias) throws SQLException {
+ dataManager.addAttributeAlias(attributeAlias);
+ aliasesById.put(attributeAlias.getId(), attributeAlias);
+ getAttributeAliases(attributeAlias.getDeviceId()).add(attributeAlias);
+ }
+
+ public void updateAttributeAlias(AttributeAlias attributeAlias) throws SQLException {
+ dataManager.updateAttributeAlias(attributeAlias);
+ AttributeAlias cachedAlias = aliasesById.get(attributeAlias.getId());
+ if (cachedAlias.getDeviceId() != attributeAlias.getDeviceId()) {
+ getAttributeAliases(cachedAlias.getDeviceId()).remove(cachedAlias);
+ cachedAlias.setDeviceId(attributeAlias.getDeviceId());
+ getAttributeAliases(cachedAlias.getDeviceId()).add(cachedAlias);
+ }
+ cachedAlias.setAttribute(attributeAlias.getAttribute());
+ cachedAlias.setAlias(attributeAlias.getAlias());
+ }
+
+ public void removeArrtibuteAlias(long attributeAliasId) throws SQLException {
+ dataManager.removeAttributeAlias(attributeAliasId);
+ AttributeAlias cachedAlias = aliasesById.get(attributeAliasId);
+ getAttributeAliases(cachedAlias.getDeviceId()).remove(cachedAlias);
+ aliasesById.remove(attributeAliasId);
+ }
+
+ public AttributeAlias getAttributeAlias(long deviceId, String attribute) {
+ for (AttributeAlias alias : getAttributeAliases(deviceId)) {
+ if (alias.getAttribute().equals(attribute)) {
+ return alias;
+ }
+ }
+ return null;
+ }
+
+ public Collection<AttributeAlias> getAllAttributeAliases(long userId) {
+ Collection<AttributeAlias> userDevicesAliases = new ArrayList<>();
+ for (long deviceId : Context.getPermissionsManager().getDevicePermissions(userId)) {
+ userDevicesAliases.addAll(getAttributeAliases(deviceId));
+ }
+ return userDevicesAliases;
+ }
+
+ public AttributeAlias getAttributeAlias(long id) {
+ return aliasesById.get(id);
+ }
+
+}