1 files changed, 8 insertions, 3 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/utilities/iterator/TypeFilterIterator.java b/src/de/lmu/ifi/dbs/elki/utilities/iterator/TypeFilterIterator.java
index 9bf2ecfc..cd687542 100644
--- a/src/de/lmu/ifi/dbs/elki/utilities/iterator/TypeFilterIterator.java
+++ b/src/de/lmu/ifi/dbs/elki/utilities/iterator/TypeFilterIterator.java
@@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.utilities.iterator;
  This file is part of ELKI:
  Environment for Developing KDD-Applications Supported by Index-Structures
 
- Copyright (C) 2011
+ Copyright (C) 2012
  Ludwig-Maximilians-Universität München
  Lehr- und Forschungseinheit für Datenbanksysteme
  ELKI Development Team
@@ -33,7 +33,7 @@ import java.util.Iterator;
  * @param <IN> Input datatype
  * @param <OUT> Output datatype
  */
-public class TypeFilterIterator<IN, OUT extends IN> extends AbstractFilteredIterator<IN, OUT> {
+public class TypeFilterIterator<IN, OUT extends IN> extends AbstractFilteredIterator<IN, OUT> implements IterableIterator<OUT> {
   /**
    * Class restriction
    */
@@ -83,4 +83,9 @@ public class TypeFilterIterator<IN, OUT extends IN> extends AbstractFilteredIter
       return null;
     }
   }
-}
+
+  @Override
+  public Iterator<OUT> iterator() {
+    return this;
+  }
+}
+\ No newline at end of file