1 files changed, 4 insertions, 3 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameters/AbstractParameter.java b/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameters/AbstractParameter.java
index cdad8583..05e82152 100644
--- a/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameters/AbstractParameter.java
+++ b/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameters/AbstractParameter.java
@@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters;
  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
@@ -131,10 +131,12 @@ public abstract class AbstractParameter<THIS extends AbstractParameter<THIS, T>,
     this(optionID, false);
   }
 
+  @SuppressWarnings("unchecked")
   @Override
-  public void setDefaultValue(T defaultValue) {
+  public THIS setDefaultValue(T defaultValue) {
     this.defaultValue = defaultValue;
     this.optionalParameter = true;
+    return (THIS) this;
   }
 
   @Override
@@ -142,7 +144,6 @@ public abstract class AbstractParameter<THIS extends AbstractParameter<THIS, T>,
     return !(defaultValue == null);
   }
 
-  // TODO: can we do this more elegantly?
   @Override
   public void useDefaultValue() {
     setValueInternal(defaultValue);