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.controller.cluster.sharding;
11 import com.google.common.base.Preconditions;
12 import java.util.Collection;
13 import javax.annotation.Nonnull;
14 import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
15 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
16 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
17 import org.opendaylight.mdsal.dom.api.DOMDataTreeShard;
18 import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardProducer;
19 import org.opendaylight.mdsal.dom.spi.shard.ReadableWriteableDOMDataTreeShard;
20 import org.opendaylight.yangtools.concepts.ListenerRegistration;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
24 * Proxy implementation of a shard that creates forwarding producers to the backend shard.
26 class ShardFrontend implements ReadableWriteableDOMDataTreeShard {
28 private final DataStoreClient client;
29 private final DOMDataTreeIdentifier shardRoot;
31 ShardFrontend(final DataStoreClient client,
32 final DOMDataTreeIdentifier shardRoot) {
33 this.client = Preconditions.checkNotNull(client);
34 this.shardRoot = Preconditions.checkNotNull(shardRoot);
38 public DOMDataTreeShardProducer createProducer(final Collection<DOMDataTreeIdentifier> paths) {
39 return new ShardProxyProducer(shardRoot, paths, client);
43 public void onChildAttached(final DOMDataTreeIdentifier prefix, final DOMDataTreeShard child) {
44 // TODO message directly into the shard
48 public void onChildDetached(final DOMDataTreeIdentifier prefix, final DOMDataTreeShard child) {
49 // TODO message directly into the shard
54 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
55 final YangInstanceIdentifier treeId, final L listener) {
56 throw new UnsupportedOperationException("Registering data tree change listener is not supported");