edu.stanford.nlp.trees.SimpleTreeFactory Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of stanford-parser Show documentation

Stanford Parser processes raw text in English, Chinese, German, Arabic, and French, and extracts constituency parse trees.

There is a newer version: 3.9.2

Show newest version

package edu.stanford.nlp.trees;

import edu.stanford.nlp.ling.Label;

import java.util.List;


/**
 * A {@code SimpleTreeFactory} acts as a factory for creating objects
 * of class {@code SimpleTree}.
 * 
 * NB: A SimpleTree stores tree geometries but no node labels.  Make sure
 * this is what you really want.
 *
 * @author Christopher Manning
 */
public class SimpleTreeFactory implements TreeFactory {

  /**
   * Creates a new TreeFactory.  A
   * SimpleTree stores no Label, so no
   * LabelFactory is built.
   */
  public SimpleTreeFactory() {
  }

  @Override
  public Tree newLeaf(final String word) {
    return new SimpleTree();
  }

  @Override
  public Tree newLeaf(final Label word) {
    return new SimpleTree();
  }

  @Override
  public Tree newTreeNode(final String parent, final List children) {
    return new SimpleTree(null, children);
  }

  @Override
  public Tree newTreeNode(final Label parentLabel, final List children) {
    return new SimpleTree(parentLabel, children);
  }

}