ParamVar.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.zeppelin.markdown;

import org.parboiled.support.Var;

import java.util.HashMap;
import java.util.Map;

/**
 * Implementation of Var to support parameter parsing.
 *
 * @param <K> Key
 * @param <V> Value
 */
public class ParamVar<K, V> extends Var<Map<K, V>> {

  public ParamVar() {
    super(new HashMap<K, V>());
  }

  public boolean put(K key, V value) {
    get().put(key, value);
    return true;
  }
}