Annotation.java

//
// Annotation -- annotation protocol used by StanfordCoreNLP
// Copyright (c) 2009-2010 The Board of Trustees of
// The Leland Stanford Junior University. All Rights Reserved.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// For more information, bug reports, fixes, contact:
//    Christopher Manning
//    Dept of Computer Science, Gates 1A
//    Stanford CA 94305-9010
//    USA
//

package edu.stanford.nlp.pipeline;

import edu.stanford.nlp.ling.CoreAnnotations;
import edu.stanford.nlp.util.ArrayCoreMap;

/**
 * An annotation representing a span of text in a document.
 *
 * Basically just an implementation of CoreMap that knows about text.
 * There was an original set of keys for annotation pipelines, listed here
 * and still used in older code, but now you're meant to use the ones in
 * CoreAnnotations.
 *
 * @author Jenny Finkel
 * @author Anna Rafferty
 * @author bethard
 */
public class Annotation extends ArrayCoreMap {

  /**
   * SerialUID
   */
  private static final long serialVersionUID = 1L;


  /** Copy constructor.
   *  @param map The new Annotation copies this one.
   */
  public Annotation(Annotation map) {
    super(map);
  }

  /** Copies the map, but not a deep copy.
   *  @return The copy
   */
  public Annotation copy() {
    return new Annotation(this);
  }

  /**
   * The text becomes the CoreAnnotations.TextAnnotation of the newly
   * created Annotation.
   */
  public Annotation(String text) {
    this.set(CoreAnnotations.TextAnnotation.class, text);
  }

  @Override
  public String toString() {
    return this.get(CoreAnnotations.TextAnnotation.class);
  }
  
  // ==================
  // Old Deprecated API
  // ==================

  @Deprecated
  public Annotation() {
    super(12);
  }

}