/*
 * 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
 *
 *     https://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 javax.jdo.query;

import java.util.List;

/**
 * Representation of a List in a query.
 *
 * @param <T> Java type being represented here
 * @param <E> Element type of the List being represented here
 */
public interface ListExpression<T extends List<E>, E> extends CollectionExpression<T, E> {
  /**
   * Method returning the element at this position in the List.
   *
   * @param posExpr The position expression
   * @return The element at this position in the List
   */
  Expression<E> get(NumericExpression<Integer> posExpr);

  /**
   * Method returning the element at this position in the List.
   *
   * @param pos The position
   * @return The element at this position in the List
   */
  Expression<E> get(int pos);
}