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 org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
11 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
14 * Interface representing a data tree which can be modified in an MVCC fashion.
16 public interface DataTree extends DataTreeTip {
18 * Take a read-only point-in-time snapshot of the tree.
20 * @return Data tree snapshot.
22 DataTreeSnapshot takeSnapshot();
25 * Make the data tree use a new schema context. The context will be used
26 * only by subsequent operations.
28 * @param newSchemaContext new SchemaContext
29 * @throws IllegalArgumentException if the new context is incompatible
31 void setSchemaContext(SchemaContext newSchemaContext);
34 * Commit a data tree candidate.
36 * @param candidate data tree candidate
38 void commit(DataTreeCandidate candidate);
41 * Get the root path of this data tree.
43 * @return The tree's root path.
45 YangInstanceIdentifier getRootPath();