1 files changed, 15 insertions, 1 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/database/datastore/DataStoreUtil.java b/src/de/lmu/ifi/dbs/elki/database/datastore/DataStoreUtil.java
index a9052f87..6d0c2d0f 100644
--- a/src/de/lmu/ifi/dbs/elki/database/datastore/DataStoreUtil.java
+++ b/src/de/lmu/ifi/dbs/elki/database/datastore/DataStoreUtil.java
@@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.database.datastore;
  This file is part of ELKI:
  Environment for Developing KDD-Applications Supported by Index-Structures
 
- Copyright (C) 2012
+ Copyright (C) 2013
  Ludwig-Maximilians-Universität München
  Lehr- und Forschungseinheit für Datenbanksysteme
  ELKI Development Team
@@ -24,6 +24,7 @@ package de.lmu.ifi.dbs.elki.database.datastore;
  */
 
 import de.lmu.ifi.dbs.elki.database.ids.DBIDs;
+import de.lmu.ifi.dbs.elki.distance.distancevalue.DoubleDistance;
 
 /**
  * Storage utility class. Mostly a shorthand for
@@ -123,4 +124,17 @@ public final class DataStoreUtil {
   public static WritableRecordStore makeRecordStorage(DBIDs ids, int hints, Class<?>... dataclasses) {
     return DataStoreFactory.FACTORY.makeRecordStorage(ids, hints, dataclasses);
   }
+
+  /**
+   * Make a new storage, to associate the given ids with an double valued
+   * distance.
+   * 
+   * @param ids DBIDs to store data for
+   * @param hints Hints for the storage manager
+   * @return new data store
+   */
+  public static WritableDoubleDistanceDataStore makeDoubleDistanceStorage(DBIDs ids, int hints) {
+    // FIXME: this is an ugly work-around.
+    return (WritableDoubleDistanceDataStore) DataStoreFactory.FACTORY.makeStorage(ids, hints, DoubleDistance.class);
+  }
 }