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.netconf.sal.connect.netconf.sal.tx;
11 import com.google.common.base.Optional;
12 import com.google.common.util.concurrent.CheckedFuture;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
17 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
18 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfBaseOps;
19 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfRpcFutureCallback;
20 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
21 import org.opendaylight.yangtools.util.concurrent.MappingCheckedFuture;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
28 public final class ReadOnlyTx implements DOMDataReadOnlyTransaction {
30 private static final Logger LOG = LoggerFactory.getLogger(ReadOnlyTx.class);
32 private final NetconfBaseOps netconfOps;
33 private final RemoteDeviceId id;
35 public ReadOnlyTx(final NetconfBaseOps netconfOps, final RemoteDeviceId id) {
36 this.netconfOps = netconfOps;
40 private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readConfigurationData(
41 final YangInstanceIdentifier path) {
42 final ListenableFuture<Optional<NormalizedNode<?, ?>>> configRunning = netconfOps.getConfigRunningData(
43 new NetconfRpcFutureCallback("Data read", id), Optional.fromNullable(path));
45 return MappingCheckedFuture.create(configRunning, ReadFailedException.MAPPER);
48 private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readOperationalData(
49 final YangInstanceIdentifier path) {
50 final ListenableFuture<Optional<NormalizedNode<?, ?>>> configCandidate = netconfOps.getData(
51 new NetconfRpcFutureCallback("Data read", id), Optional.fromNullable(path));
53 return MappingCheckedFuture.create(configCandidate, ReadFailedException.MAPPER);
62 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(
63 final LogicalDatastoreType store, final YangInstanceIdentifier path) {
66 return readConfigurationData(path);
69 return readOperationalData(path);
72 LOG.info("Unknown datastore type: {}.", store);
76 throw new IllegalArgumentException(String.format(
77 "%s, Cannot read data %s for %s datastore, unknown datastore type", id, path, store));
81 public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
82 final YangInstanceIdentifier path) {
83 final CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> data = read(store, path);
84 final ListenableFuture<Boolean> result =
85 Futures.transform(data, (Optional<NormalizedNode<?, ?>> optionalNode) ->
86 optionalNode != null && optionalNode.isPresent());
87 return MappingCheckedFuture.create(result, ReadFailedException.MAPPER);
91 public Object getIdentifier() {