package edu.stanford.nlp.ling;
import java.io.Serializable;
/**
* Something that implements the <code>HasOffset</code> interface
* bears a offset reference to the original text
*
* @author Richard Eckart (Technische Universitat Darmstadt)
*/
public interface HasOffset extends Serializable {
/**
* Return the beginning character offset of the label (or -1 if none).
*
* @return the beginning position for the label
*/
public int beginPosition();
/**
* Set the beginning character offset for the label.
* Setting this key to "-1" can be used to
* indicate no valid value.
*
* @param beginPos The beginning position
*/
public void setBeginPosition(int beginPos);
/**
* Return the ending character offset of the label (or -1 if none).
*
* @return the end position for the label
*/
public int endPosition();
/**
* Set the ending character offset of the label (or -1 if none).
*
* @param endPos The end character offset for the label
*/
public void setEndPosition(int endPos);
}