2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.api.schema.tree;
10 import com.google.common.base.Optional;
11 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
14 * A tree node which has references to its child leaves. This are typically
15 * internal non-data leaves, such as containers, lists, etc.
17 * @param <C> Final node type
19 public interface StoreTreeNode<C extends StoreTreeNode<C>> {
22 * Returns a direct child of the node.
24 * @param child Identifier of child
25 * @return Optional with node if the child is existing, {@link Optional#absent()} otherwise.
27 Optional<C> getChild(PathArgument child);