2 * Copyright (c) 2015 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.annotations.Beta;
11 import javax.annotation.Nonnull;
12 import javax.annotation.Nullable;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
16 * A {@link DataTreeSnapshot} which allows creation of a {@link DataTreeSnapshotCursor}.
19 public interface CursorAwareDataTreeSnapshot extends DataTreeSnapshot {
21 * Create a new {@link DataTreeSnapshotCursor} at specified path. May fail
22 * if specified path does not exist.
24 * @param path Path at which the cursor is to be anchored
25 * @return A new cursor, or null if the path does not exist.
26 * @throws IllegalStateException if there is another cursor currently open.
28 @Nullable DataTreeSnapshotCursor createCursor(@Nonnull YangInstanceIdentifier path);