1 files changed, 54 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameterization/EmptyParameterization.java b/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameterization/EmptyParameterization.java
new file mode 100644
index 00000000..a94d2eb1
--- /dev/null
+++ b/src/de/lmu/ifi/dbs/elki/utilities/optionhandling/parameterization/EmptyParameterization.java
@@ -0,0 +1,54 @@
+package de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization;
+/*
+This file is part of ELKI:
+Environment for Developing KDD-Applications Supported by Index-Structures
+
+Copyright (C) 2011
+Ludwig-Maximilians-Universität München
+Lehr- und Forschungseinheit für Datenbanksysteme
+ELKI Development Team
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.ParameterException;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.Parameter;
+
+/**
+ * Parameterization handler that only allows the use of default values.
+ * 
+ * @author Erich Schubert
+ */
+public class EmptyParameterization extends AbstractParameterization {  
+  @Override
+  public boolean hasUnusedParameters() {
+    return false;
+  }
+
+  @SuppressWarnings("unused")
+  @Override
+  public boolean setValueForOption(Parameter<?,?> opt) throws ParameterException {
+    // Always return false, we don't have extra parameters,
+    // This will cause {@link AbstractParameterization} to use the default values
+    return false;
+  }
+
+  /** {@inheritDoc}
+   * Default implementation, for flat parameterizations. 
+   */
+  @Override
+  public Parameterization descend(@SuppressWarnings("unused") Object option) {
+    return this;
+  }
+}
+\ No newline at end of file