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 java.util.List;
13 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
15 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
16 import org.opendaylight.yangtools.yang.binding.DataObject;
17 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
20 * Adapter wrapping Binding {@link DataTreeChangeListener} and exposing it as {@link DOMDataTreeChangeListener}
21 * and translated DOM events to their Binding equivalent.
23 class BindingDOMDataTreeChangeListenerAdapter<T extends DataObject> implements DOMDataTreeChangeListener {
24 private final AdapterContext adapterContext;
25 private final DataTreeChangeListener<T> listener;
26 private final LogicalDatastoreType store;
27 private final Class<T> augment;
29 private boolean initialSyncDone;
31 BindingDOMDataTreeChangeListenerAdapter(final AdapterContext adapterContext,
32 final DataTreeChangeListener<T> listener, final LogicalDatastoreType store, final Class<T> augment) {
33 this.adapterContext = requireNonNull(adapterContext);
34 this.listener = requireNonNull(listener);
35 this.store = requireNonNull(store);
36 this.augment = augment;
40 public void onDataTreeChanged(final List<DataTreeCandidate> domChanges) {
41 final var changes = LazyDataTreeModification.<T>from(adapterContext.currentSerializer(), domChanges, store,
43 if (!changes.isEmpty()) {
44 listener.onDataTreeChanged(changes);
45 } else if (!initialSyncDone) {
51 public void onInitialData() {
52 initialSyncDone = true;
53 listener.onInitialData();