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 org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
11 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
12 import org.opendaylight.mdsal.binding.api.DataTreeChangeService;
13 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
15 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
16 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
18 import org.opendaylight.yangtools.yang.binding.Augmentation;
19 import org.opendaylight.yangtools.yang.binding.DataObject;
22 * Adapter exposing Binding {@link DataTreeChangeService} and wrapping a {@link DOMDataTreeChangeService} and is
23 * responsible for translation and instantiation of {@link BindingDOMDataTreeChangeListenerAdapter} adapters.
26 * Each registered {@link DataTreeChangeListener} is wrapped using adapter and registered directly to DOM service.
28 final class BindingDOMDataTreeChangeServiceAdapter extends AbstractBindingAdapter<DOMDataTreeChangeService>
29 implements DataTreeChangeService {
30 BindingDOMDataTreeChangeServiceAdapter(final AdapterContext adapterContext,
31 final DOMDataTreeChangeService dataTreeChangeService) {
32 super(adapterContext, dataTreeChangeService);
36 public <T extends DataObject, L extends DataTreeChangeListener<T>> ListenerRegistration<L>
37 registerDataTreeChangeListener(final DataTreeIdentifier<T> treeId, final L listener) {
38 final DOMDataTreeIdentifier domIdentifier = toDomTreeIdentifier(treeId);
39 final LogicalDatastoreType storeType = treeId.getDatastoreType();
40 final Class<T> target = treeId.getRootIdentifier().getTargetType();
41 final Class<T> augment = Augmentation.class.isAssignableFrom(target) ? target : null;
43 final BindingDOMDataTreeChangeListenerAdapter<T> domListener =
44 listener instanceof ClusteredDataTreeChangeListener
45 ? new BindingClusteredDOMDataTreeChangeListenerAdapter<>(
46 adapterContext(), (ClusteredDataTreeChangeListener<T>) listener, storeType, augment)
47 : new BindingDOMDataTreeChangeListenerAdapter<>(adapterContext(), listener, storeType, augment);
49 final ListenerRegistration<BindingDOMDataTreeChangeListenerAdapter<T>> domReg =
50 getDelegate().registerDataTreeChangeListener(domIdentifier, domListener);
51 return new BindingDataTreeChangeListenerRegistration<>(listener, domReg);
54 private DOMDataTreeIdentifier toDomTreeIdentifier(final DataTreeIdentifier<?> treeId) {
55 return new DOMDataTreeIdentifier(treeId.getDatastoreType(),
56 currentSerializer().toYangInstanceIdentifier(treeId.getRootIdentifier()));