2 * Copyright (c) 2014 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.datastore;
11 import akka.actor.ActorRef;
12 import akka.event.Logging;
13 import akka.event.LoggingAdapter;
14 import akka.persistence.UntypedProcessor;
15 import com.google.common.util.concurrent.ListeningExecutorService;
16 import com.google.common.util.concurrent.MoreExecutors;
17 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChain;
18 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChainReply;
19 import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
20 import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
21 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
22 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
24 import java.util.concurrent.Executors;
27 * A Shard represents a portion of the logical data tree
29 * Our Shard uses InMemoryDataStore as it's internal representation and delegates all requests it
31 public class Shard extends UntypedProcessor {
33 ListeningExecutorService storeExecutor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
35 private final InMemoryDOMDataStore store = new InMemoryDOMDataStore("OPER", storeExecutor);
37 LoggingAdapter log = Logging.getLogger(getContext().system(), this);
40 public void onReceive(Object message) throws Exception {
41 if (message instanceof CreateTransactionChain) {
42 createTransactionChain();
43 } else if(message instanceof RegisterChangeListener){
44 registerChangeListener((RegisterChangeListener) message);
48 private void registerChangeListener(RegisterChangeListener registerChangeListener) {
49 // org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration =
50 // store.registerChangeListener(registerChangeListener.getPath(), registerChangeListener.getListener(), registerChangeListener.getScope());
51 // TODO: Construct a ListenerRegistration actor with the actual registration returned when registering a listener with the datastore
52 ActorRef listenerRegistration = getContext().actorOf(ListenerRegistration.props(null));
53 getSender().tell(new RegisterChangeListenerReply(listenerRegistration.path()), getSelf());
56 private void createTransactionChain() {
57 DOMStoreTransactionChain chain = store.createTransactionChain();
58 ActorRef transactionChain = getContext().actorOf(TransactionChain.props(chain));
59 getSender().tell(new CreateTransactionChainReply(transactionChain.path()), getSelf());