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Core module for all parsers

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/**
 * Copyright 2013 Huining (Thomas) Feng ([email protected])
 *
 * 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 com.bacoder.parser.core;

public class KeyValuePair extends Node {

  private K key;

  private V value;

  public K getKey() {
    return key;
  }

  public V getValue() {
    return value;
  }

  public void setKey(K key) {
    this.key = key;
  }

  public void setValue(V value) {
    this.value = value;
  }

  @Override
  protected void visitChildren(Visitors visitors) {
    if (key != null) {
      key.visit(visitors);
    }
    if (value != null) {
      value.visit(visitors);
    }
  }
}