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
8 package org.opendaylight.netconf.sal.connect.netconf.sal;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.ClassToInstanceMap;
12 import com.google.common.collect.ImmutableClassToInstanceMap;
13 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
14 import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
15 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
16 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
17 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
18 import org.opendaylight.mdsal.dom.api.DOMRpcService;
19 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
20 import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
21 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
22 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.ReadOnlyTx;
23 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.ReadWriteTx;
24 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.TxChain;
25 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.WriteCandidateRunningTx;
26 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.WriteCandidateTx;
27 import org.opendaylight.netconf.sal.connect.netconf.sal.tx.WriteRunningTx;
28 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfBaseOps;
29 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
30 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
32 public final class NetconfDeviceDataBroker implements DOMDataBroker {
33 private final RemoteDeviceId id;
34 private final NetconfBaseOps netconfOps;
36 private final boolean rollbackSupport;
37 private final boolean candidateSupported;
38 private final boolean runningWritable;
40 public NetconfDeviceDataBroker(final RemoteDeviceId id, final SchemaContext schemaContext,
41 final DOMRpcService rpc, final NetconfSessionPreferences netconfSessionPreferences) {
43 this.netconfOps = new NetconfBaseOps(rpc, schemaContext);
44 // get specific attributes from netconf preferences and get rid of it
45 // no need to keep the entire preferences object, its quite big with all the capability QNames
46 candidateSupported = netconfSessionPreferences.isCandidateSupported();
47 runningWritable = netconfSessionPreferences.isRunningWritable();
48 rollbackSupport = netconfSessionPreferences.isRollbackSupported();
49 Preconditions.checkArgument(candidateSupported || runningWritable,
50 "Device %s has advertised neither :writable-running nor :candidate capability."
51 + "At least one of these should be advertised. Failed to establish a session.", id.getName());
55 public DOMDataTreeReadTransaction newReadOnlyTransaction() {
56 return new ReadOnlyTx(netconfOps, id);
60 public DOMDataTreeReadWriteTransaction newReadWriteTransaction() {
61 return new ReadWriteTx(newReadOnlyTransaction(), newWriteOnlyTransaction());
65 public DOMDataTreeWriteTransaction newWriteOnlyTransaction() {
66 if (candidateSupported) {
67 if (runningWritable) {
68 return new WriteCandidateRunningTx(id, netconfOps, rollbackSupport);
70 return new WriteCandidateTx(id, netconfOps, rollbackSupport);
73 return new WriteRunningTx(id, netconfOps, rollbackSupport);
78 public DOMTransactionChain createTransactionChain(final DOMTransactionChainListener listener) {
79 return new TxChain(this, listener);
83 public ClassToInstanceMap<DOMDataBrokerExtension> getExtensions() {
84 return ImmutableClassToInstanceMap.of();