1 files changed, 6 insertions, 0 deletions
diff --git a/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java b/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java
index 2474aa4a..37fb84c0 100644
--- a/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java
+++ b/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java
@@ -33,6 +33,7 @@ import de.lmu.ifi.dbs.elki.database.ids.DBIDUtil;
  * Writable data store for double values.
  * 
  * @author Erich Schubert
+ * @since 0.5.0
  */
 public class MapIntegerDBIDIntegerStore implements WritableIntegerDataStore {
   /**
@@ -112,4 +113,9 @@ public class MapIntegerDBIDIntegerStore implements WritableIntegerDataStore {
   public void increment(DBIDRef id, int adjust) {
     map.adjustOrPutValue(DBIDUtil.asInteger(id), adjust, adjust);
   }
+
+  @Override
+  public void clear() {
+    map.clear();
+  }
 }