From 727e7bfad908abd899d1114c5405f9bf69b47ebc Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 30 Jun 2015 09:51:23 +1200
Subject: Active devices in connection manager

---
 src/org/traccar/database/DataCache.java | 98 ---------------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 src/org/traccar/database/DataCache.java

(limited to 'src/org/traccar/database/DataCache.java')

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);
-    }
-    
-}
-- 
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