Changeset 3378 in josm for trunk/src/org/openstreetmap/josm/data/osm/DataSet.java

Timestamp:

20.07.2010 08:54:22 (22 months ago)

Author:

jttt

Message:

Fix #2662 Auto-save

File:

• trunk/src/org/openstreetmap/josm/data/osm/DataSet.java (modified) (4 diffs)

trunk/src/org/openstreetmap/josm/data/osm/DataSet.java

@@ -15 +15 @@
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReadWriteLock;
@@ -69 +70 @@
     private Storage<OsmPrimitive> allPrimitives = new Storage<OsmPrimitive>(new IdHash(), 16, true);
     private Map<PrimitiveId, OsmPrimitive> primitivesMap = allPrimitives.foreignKey(new IdHash());
-    private List<DataSetListener> listeners = new ArrayList<DataSetListener>();
+    private CopyOnWriteArrayList<DataSetListener> listeners = new CopyOnWriteArrayList<DataSetListener>();
 
     // Number of open calls to beginUpdate
@@ -839 +840 @@
 
     public void addDataSetListener(DataSetListener dsl) {
-        listeners.add(dsl);
+        listeners.addIfAbsent(dsl);
     }
 
@@ -1001 +1002 @@
      * Marks all "invisible" objects as deleted. These objects should be always marked as
      * deleted when downloaded from the server. They can be undeleted later if necessary.
-     * 
+     *
      */
     public void deleteInvisible() {