2 * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.netconf.topology.singleton.impl.actors;
11 import akka.actor.ActorRef;
12 import com.google.common.base.Optional;
13 import com.google.common.util.concurrent.CheckedFuture;
14 import com.google.common.util.concurrent.FutureCallback;
15 import com.google.common.util.concurrent.Futures;
16 import com.google.common.util.concurrent.MoreExecutors;
17 import javax.annotation.Nonnull;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
20 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
21 import org.opendaylight.netconf.topology.singleton.messages.NormalizedNodeMessage;
22 import org.opendaylight.netconf.topology.singleton.messages.transactions.EmptyReadResponse;
23 import org.opendaylight.netconf.topology.singleton.messages.transactions.ExistsRequest;
24 import org.opendaylight.netconf.topology.singleton.messages.transactions.ReadRequest;
25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
30 private final DOMDataReadTransaction tx;
32 ReadAdapter(final DOMDataReadTransaction tx) {
36 @SuppressWarnings("checkstyle:IllegalThrows")
37 public void handle(final Object message, final ActorRef sender, final ActorRef self) throws Throwable {
38 if (message instanceof ReadRequest) {
40 final ReadRequest readRequest = (ReadRequest) message;
41 final YangInstanceIdentifier path = readRequest.getPath();
42 final LogicalDatastoreType store = readRequest.getStore();
43 read(path, store, sender, self);
45 } else if (message instanceof ExistsRequest) {
46 final ExistsRequest readRequest = (ExistsRequest) message;
47 final YangInstanceIdentifier path = readRequest.getPath();
48 final LogicalDatastoreType store = readRequest.getStore();
49 exists(path, store, sender, self);
53 private void read(final YangInstanceIdentifier path, final LogicalDatastoreType store, final ActorRef sender,
54 final ActorRef self) {
55 final CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read = tx.read(store, path);
56 Futures.addCallback(read, new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
59 public void onSuccess(final Optional<NormalizedNode<?, ?>> result) {
60 if (!result.isPresent()) {
61 sender.tell(new EmptyReadResponse(), self);
64 sender.tell(new NormalizedNodeMessage(path, result.get()), self);
68 public void onFailure(@Nonnull final Throwable throwable) {
69 sender.tell(throwable, self);
71 }, MoreExecutors.directExecutor());
74 private void exists(final YangInstanceIdentifier path, final LogicalDatastoreType store, final ActorRef sender,
75 final ActorRef self) {
76 final CheckedFuture<Boolean, ReadFailedException> readFuture = tx.exists(store, path);
77 Futures.addCallback(readFuture, new FutureCallback<Boolean>() {
79 public void onSuccess(final Boolean result) {
81 sender.tell(false, self);
83 sender.tell(result, self);
88 public void onFailure(@Nonnull final Throwable throwable) {
89 sender.tell(throwable, self);
91 }, MoreExecutors.directExecutor());