2 * Copyright (c) 2016 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
9 package org.opendaylight.mdsal.dom.store.inmemory;
11 import static java.util.Objects.requireNonNull;
13 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
14 import org.opendaylight.yangtools.concepts.Identifiable;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.CursorAwareDataTreeModification;
17 import org.opendaylight.yangtools.yang.data.api.schema.tree.CursorAwareDataTreeSnapshot;
18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModificationCursor;
21 // Non-final for mocking
22 class ShardRootModificationContext implements Identifiable<DOMDataTreeIdentifier> {
24 private final DOMDataTreeIdentifier identifier;
25 private final CursorAwareDataTreeSnapshot snapshot;
27 private CursorAwareDataTreeModification modification = null;
28 private DataTreeModificationCursorAdaptor cursor = null;
30 ShardRootModificationContext(final DOMDataTreeIdentifier identifier,
31 final CursorAwareDataTreeSnapshot snapshot) {
32 this.identifier = requireNonNull(identifier);
33 this.snapshot = requireNonNull(snapshot);
37 public DOMDataTreeIdentifier getIdentifier() {
41 DataTreeModificationCursorAdaptor cursor() {
43 if (modification == null) {
44 modification = snapshot.newModification();
47 // FIXME: Should there be non-root path?
48 DataTreeModificationCursor dataTreeCursor = modification.openCursor(YangInstanceIdentifier.empty()).get();
49 cursor = DataTreeModificationCursorAdaptor.of(dataTreeCursor);
54 boolean isModified() {
55 return modification != null;
58 DataTreeModification ready() {
63 DataTreeModification ret = null;
64 if (modification != null) {