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.mdsal.binding.dom.adapter;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.MoreObjects;
13 import java.util.ArrayList;
14 import java.util.List;
15 import org.eclipse.jdt.annotation.NonNull;
16 import org.opendaylight.mdsal.binding.api.DataObjectModification;
17 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
18 import org.opendaylight.mdsal.binding.api.DataTreeModification;
19 import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode;
20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
21 import org.opendaylight.mdsal.dom.api.DOMDataTreeCandidate;
22 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
23 import org.opendaylight.yangtools.yang.binding.DataObject;
24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
28 * Lazily translated {@link DataTreeModification} based on {@link DataTreeCandidate}.
31 * {@link DataTreeModification} represents Data tree change event, but whole tree is not translated or resolved eagerly,
32 * but only child nodes which are directly accessed by user of data object modification.
34 final class LazyDataTreeModification<T extends DataObject> implements DataTreeModification<T> {
35 private final @NonNull DataTreeIdentifier<T> path;
36 private final @NonNull DataObjectModification<T> rootNode;
38 private LazyDataTreeModification(final DataTreeIdentifier<T> path, final DataObjectModification<T> modification) {
39 this.path = requireNonNull(path);
40 this.rootNode = requireNonNull(modification);
43 @SuppressWarnings({"unchecked", "rawtypes"})
44 static <T extends DataObject> DataTreeModification<T> create(final CurrentAdapterSerializer serializer,
45 final DataTreeCandidate domChange, final LogicalDatastoreType datastoreType) {
46 final InstanceIdentifier<?> bindingPath = serializer.coerceInstanceIdentifier(domChange.getRootPath());
47 final BindingDataObjectCodecTreeNode<?> codec = serializer.getSubtreeCodec(bindingPath);
48 final DataTreeIdentifier<?> path = DataTreeIdentifier.create(datastoreType, bindingPath);
49 return new LazyDataTreeModification(path, LazyDataObjectModification.create(codec, domChange.getRootNode()));
52 @SuppressWarnings({"unchecked", "rawtypes"})
53 static <T extends DataObject> DataTreeModification<T> create(final CurrentAdapterSerializer serializer,
54 final DOMDataTreeCandidate candidate) {
55 final DOMDataTreeIdentifier domRootPath = candidate.getRootPath();
56 final InstanceIdentifier<?> bindingPath = serializer.coerceInstanceIdentifier(domRootPath.getRootIdentifier());
57 final BindingDataObjectCodecTreeNode<?> codec = serializer.getSubtreeCodec(bindingPath);
58 return new LazyDataTreeModification(DataTreeIdentifier.create(domRootPath.getDatastoreType(), bindingPath),
59 LazyDataObjectModification.create(codec, candidate.getRootNode()));
62 static <T extends DataObject> @NonNull List<DataTreeModification<T>> from(final CurrentAdapterSerializer codec,
63 final List<DataTreeCandidate> domChanges, final LogicalDatastoreType datastoreType) {
64 final List<DataTreeModification<T>> result = new ArrayList<>(domChanges.size());
65 for (final DataTreeCandidate domChange : domChanges) {
66 result.add(LazyDataTreeModification.create(codec, domChange, datastoreType));
72 public DataObjectModification<T> getRootNode() {
77 public DataTreeIdentifier<T> getRootPath() {
82 public String toString() {
83 return MoreObjects.toStringHelper(this).add("path", path).add("rootNode", rootNode).toString();