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authorAnton Tananaev <anton.tananaev@gmail.com>2015-06-17 11:14:32 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-06-17 11:14:32 +1200
commit31153730de44a31b87c8131d95de1127d2758508 (patch)
tree6dcfe3a6f54cd37b8487a34f141da417dad95461 /src/org/traccar/database/DataCache.java
parentfe83a2a83d086f8af8579f2a6c546f3576067964 (diff)
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Load latest positions from db
Diffstat (limited to 'src/org/traccar/database/DataCache.java')
-rw-r--r--src/org/traccar/database/DataCache.java44
1 files changed, 27 insertions, 17 deletions
diff --git a/src/org/traccar/database/DataCache.java b/src/org/traccar/database/DataCache.java
index de3214bd0..390187200 100644
--- a/src/org/traccar/database/DataCache.java
+++ b/src/org/traccar/database/DataCache.java
@@ -15,6 +15,7 @@
*/
package org.traccar.database;
+import java.sql.SQLException;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
@@ -22,6 +23,8 @@ 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.Event;
import org.traccar.model.Position;
@@ -31,14 +34,21 @@ public class DataCache {
private final Map<Long, Set<DataCacheListener>> listeners = new HashMap<Long, Set<DataCacheListener>>();
public DataCache(DataManager dataManager) {
- // TODO: load latest data from datavase
+ 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 device = position.getDeviceId();
- positions.put(device, position);
- if (listeners.containsKey(device)) {
- for (DataCacheListener listener : listeners.get(device)) {
+ long deviceId = position.getDeviceId();
+ positions.put(deviceId, position);
+ if (listeners.containsKey(deviceId)) {
+ for (DataCacheListener listener : listeners.get(deviceId)) {
listener.onUpdate(position);
}
}
@@ -62,29 +72,29 @@ public class DataCache {
}
public void addListener(Collection<Long> devices, DataCacheListener listener) {
- for (long device : devices) {
- addListener(device, listener);
+ for (long deviceId : devices) {
+ addListener(deviceId, listener);
}
}
- public synchronized void addListener(long device, DataCacheListener listener) {
- if (!listeners.containsKey(device)) {
- listeners.put(device, new HashSet<DataCacheListener>());
+ public synchronized void addListener(long deviceId, DataCacheListener listener) {
+ if (!listeners.containsKey(deviceId)) {
+ listeners.put(deviceId, new HashSet<DataCacheListener>());
}
- listeners.get(device).add(listener);
+ listeners.get(deviceId).add(listener);
}
public void removeListener(Collection<Long> devices, DataCacheListener listener) {
- for (long device : devices) {
- removeListener(device, listener);
+ for (long deviceId : devices) {
+ removeListener(deviceId, listener);
}
}
- public synchronized void removeListener(long device, DataCacheListener listener) {
- if (!listeners.containsKey(device)) {
- listeners.put(device, new HashSet<DataCacheListener>());
+ public synchronized void removeListener(long deviceId, DataCacheListener listener) {
+ if (!listeners.containsKey(deviceId)) {
+ listeners.put(deviceId, new HashSet<DataCacheListener>());
}
- listeners.get(device).remove(listener);
+ listeners.get(deviceId).remove(listener);
}
}