001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.configuration2.tree;
018
019/**
020 * <p>
021 * A specialized version of the {@code NodeModelSupport} interface which allows
022 * querying an {@link InMemoryNodeModel}.
023 * </p>
024 * <p>
025 * This interface is needed by some special node model implementations used by
026 * in-memory configurations. Such implementations require the extended
027 * capabilities of an {@code InMemoryNodeModel}.
028 * </p>
029 *
030 * @since 2.0
031 */
032public interface InMemoryNodeModelSupport extends
033        NodeModelSupport<ImmutableNode>
034{
035    /**
036     * {@inheritDoc} This variant specializes the return type to
037     * {@code InMemoryNodeModel}.
038     */
039    @Override
040    InMemoryNodeModel getNodeModel();
041}