FeatureSequence2AugmentableFeatureVector.java

/* 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 edu.nd.nina.graph.load;

import edu.nd.nina.types.AugmentableFeatureVector;
import edu.nd.nina.types.FeatureSequence;
import edu.nd.nina.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;
	}
}