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