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 com.google.common.base.Preconditions;
12 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
13 import org.opendaylight.yangtools.concepts.Identifiable;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.schema.tree.CursorAwareDataTreeModification;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.CursorAwareDataTreeSnapshot;
17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModificationCursor;
20 // Non-final for mocking
21 class ShardRootModificationContext implements Identifiable<DOMDataTreeIdentifier> {
23 private final DOMDataTreeIdentifier identifier;
24 private final CursorAwareDataTreeSnapshot snapshot;
26 private CursorAwareDataTreeModification modification = null;
27 private DataTreeModificationCursorAdaptor cursor = null;
29 ShardRootModificationContext(final DOMDataTreeIdentifier identifier,
30 final CursorAwareDataTreeSnapshot snapshot) {
31 this.identifier = Preconditions.checkNotNull(identifier);
32 this.snapshot = Preconditions.checkNotNull(snapshot);
36 public DOMDataTreeIdentifier getIdentifier() {
40 DataTreeModificationCursorAdaptor cursor() {
42 if (modification == null) {
43 modification = snapshot.newModification();
46 // FIXME: Should there be non-root path?
47 DataTreeModificationCursor dataTreeCursor = modification.createCursor(YangInstanceIdentifier.EMPTY);
48 cursor = DataTreeModificationCursorAdaptor.of(dataTreeCursor);
53 boolean isModified() {
54 return modification != null;
57 DataTreeModification ready() {
62 DataTreeModification ret = null;
63 if (modification != null) {