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/**
 * Copyright (C) 2012 cogroo 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.cogroo.text.tree;

public abstract class TreeElement {
  private String syntacticTag;
  private String morphologicalTag;
  private String featureTag;
  private int level;
  private TreeElement parent;

  public void setSyntacticTag(String syntacticTag) {
    this.syntacticTag = syntacticTag;
  }

  public String getSyntacticTag() {
    return syntacticTag;
  }

  public void setLevel(int level) {
    this.level = level;
  }

  public int getLevel() {
    return level;
  }

  public void setMorphologicalTag(String morphologicalTag) {
    this.morphologicalTag = morphologicalTag;
  }

  public String getMorphologicalTag() {
    return morphologicalTag;
  }

  public abstract String toSyntaxTree();
  
  public abstract String toTreebank();

  public TreeElement getParent() {
    return parent;
  }

  public void setParent(TreeElement parent) {
    this.parent = parent;
  }

  public String getFeatureTag() {
    return featureTag;
  }

  public void setFeatureTag(String featureTag) {
    this.featureTag = featureTag;
  }
}