Map.java example

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/**
 * 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.tajo.type;

import com.google.common.collect.ImmutableList;

import static org.apache.tajo.common.TajoDataTypes.Type.MAP;

public class Map extends TypeParamterizedType {
  Map(Type keyType, Type valueType) {
    super(MAP, ImmutableList.of(keyType, valueType));
  }

  public Type keyType() {
    return this.params.get(0);
  }

  public Type valueType() {
    return this.params.get(1);
  }
}