1 files changed, 17 insertions, 7 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDDoubleStore.java b/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDDoubleStore.java
index 8d73b672..8779eb46 100644
--- a/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDDoubleStore.java
+++ b/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDDoubleStore.java
@@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.database.datastore.memory;
  This file is part of ELKI:
  Environment for Developing KDD-Applications Supported by Index-Structures
 
- Copyright (C) 2013
+ Copyright (C) 2014
  Ludwig-Maximilians-Universität München
  Lehr- und Forschungseinheit für Datenbanksysteme
  ELKI Development Team
@@ -88,12 +88,6 @@ public class MapIntegerDBIDDoubleStore implements WritableDoubleDataStore {
   }
 
   @Override
-  public void destroy() {
-    map.clear();
-    map = null;
-  }
-
-  @Override
   public void delete(DBIDRef id) {
     map.remove(DBIDUtil.asInteger(id));
   }
@@ -107,4 +101,20 @@ public class MapIntegerDBIDDoubleStore implements WritableDoubleDataStore {
   public double put(DBIDRef id, double value) {
     return map.put(DBIDUtil.asInteger(id), value);
   }
+
+  @Override
+  public void increment(DBIDRef id, double value) {
+    map.adjustOrPutValue(DBIDUtil.asInteger(id), value, map.getNoEntryValue() + value);
+  }
+
+  @Override
+  public void clear() {
+    map.clear();
+  }
+
+  @Override
+  public void destroy() {
+    map.clear();
+    map = null;
+  }
 }