2 * Copyright (c) 2013 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.operations;
10 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
12 import com.google.common.base.Optional;
15 * Strategy interface for data modification.
17 * @param <S> SchemaNode type
18 * @param <N> LeafNode type
21 interface Modification<S, N extends NormalizedNode<?, ?>> {
23 Optional<N> modify(S schemaNode, Optional<N> actual, Optional<N> modification, OperationStack operations) throws DataModificationException;