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authorAnton Tananaev <anton.tananaev@gmail.com>2015-06-30 09:51:23 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-06-30 09:51:23 +1200
commit727e7bfad908abd899d1114c5405f9bf69b47ebc (patch)
tree5c66197f72f4cbb42a1b5cecd5a71fed4b2ed757 /src/org/traccar/database/DataCache.java
parent54c54703d66e8991472c1f7476ba4acb424b27d9 (diff)
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Active devices in connection manager
Diffstat (limited to 'src/org/traccar/database/DataCache.java')
-rw-r--r--src/org/traccar/database/DataCache.java98
1 files changed, 0 insertions, 98 deletions
diff --git a/src/org/traccar/database/DataCache.java b/src/org/traccar/database/DataCache.java
deleted file mode 100644
index fc29f0e2e..000000000
--- a/src/org/traccar/database/DataCache.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
- *
- * 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.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import org.traccar.helper.Log;
-import org.traccar.model.Position;
-
-public class DataCache {
-
- private final Map<Long, Position> positions = new HashMap<Long, Position>();
- private final Map<Long, Set<DataCacheListener>> listeners = new HashMap<Long, Set<DataCacheListener>>();
-
- public void init(DataManager dataManager) {
- try {
- Collection<Position> positions = dataManager.getLatestPositions();
- for (Position position : positions) {
- this.positions.put(position.getDeviceId(), position);
- }
- } catch (SQLException error) {
- Log.warning(error);
- }
- }
-
- public synchronized void update(Position position) {
- long deviceId = position.getDeviceId();
- positions.put(deviceId, position);
- if (listeners.containsKey(deviceId)) {
- for (DataCacheListener listener : listeners.get(deviceId)) {
- listener.onUpdate(position);
- }
- }
- }
-
- public synchronized Collection<Position> getInitialState(Collection<Long> devices) {
-
- List<Position> result = new LinkedList<Position>();
-
- for (long device : devices) {
- if (positions.containsKey(device)) {
- result.add(positions.get(device));
- }
- }
-
- return result;
- }
-
- public static interface DataCacheListener {
- public void onUpdate(Position position);
- }
-
- public void addListener(Collection<Long> devices, DataCacheListener listener) {
- for (long deviceId : devices) {
- addListener(deviceId, listener);
- }
- }
-
- public synchronized void addListener(long deviceId, DataCacheListener listener) {
- if (!listeners.containsKey(deviceId)) {
- listeners.put(deviceId, new HashSet<DataCacheListener>());
- }
- listeners.get(deviceId).add(listener);
- }
-
- public void removeListener(Collection<Long> devices, DataCacheListener listener) {
- for (long deviceId : devices) {
- removeListener(deviceId, listener);
- }
- }
-
- public synchronized void removeListener(long deviceId, DataCacheListener listener) {
- if (!listeners.containsKey(deviceId)) {
- listeners.put(deviceId, new HashSet<DataCacheListener>());
- }
- listeners.get(deviceId).remove(listener);
- }
-
-}