/* Copyright (C) 2002 Univ. of Massachusetts Amherst, Computer Science Dept.
This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
http://www.cs.umass.edu/~mccallum/mallet
This software is provided under the terms of the Common Public License,
version 1.0, as published by http://www.opensource.org. For further
information, see the file `LICENSE' included with this distribution. */
/**
@author Andrew McCallum <a href="mailto:mccallum@cs.umass.edu">mccallum@cs.umass.edu</a>
*/
package cc.mallet.pipe;
import java.io.*;
import cc.mallet.types.AugmentableFeatureVector;
import cc.mallet.types.FeatureSequence;
import cc.mallet.types.Instance;
// This class does not insist on gettings its own Alphabet because it can rely on getting
// it from the FeatureSequence input.
/**
* Convert the data field from a feature sequence to an augmentable feature vector.
*/
public class FeatureSequence2AugmentableFeatureVector extends Pipe
{
boolean binary;
public FeatureSequence2AugmentableFeatureVector (boolean binary)
{
this.binary = binary;
}
public FeatureSequence2AugmentableFeatureVector ()
{
this (false);
}
public Instance pipe (Instance carrier)
{
carrier.setData(new AugmentableFeatureVector ((FeatureSequence)carrier.getData(), binary));
return carrier;
}
}