2 * Copyright (c) 2015 Red Hat, 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.ovsdb.openstack.netvirt.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.util.concurrent.CheckedFuture;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
15 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
16 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * Utility class to wrap mdsal transactions.
26 * @author Sam Hague (shague@redhat.com)
28 public class MdsalUtils {
29 private static final Logger LOG = LoggerFactory.getLogger(MdsalUtils.class);
30 private static DataBroker databroker = null;
33 * Class constructor setting the data broker.
35 * @param dataBroker the {@link org.opendaylight.controller.md.sal.binding.api.DataBroker}
37 public MdsalUtils(DataBroker dataBroker) {
38 this.databroker = dataBroker;
41 public static Node createNode(String nodeId) {
42 String[] pair = identifier.split("\\|");
43 if ((pair.length > 1) && (pair[0].equals("OVS"))) {
48 ConnectionInfo connectionInfo = getConnectionInfo(addressStr, portStr);
49 SouthboundMapper.createNode(connectionInfo);
53 * Executes read transaction as a test2.
55 * @param logicalDatastoreType {@link org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType} from which read should occur
56 * @param path {@link org.opendaylight.yangtools.yang.binding.InstanceIdentifier} for path to read
57 * @param <D> the data object type
58 * @return the data object requested
60 public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> D readTransaction(
61 final LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> path) {
63 final ReadOnlyTransaction readTx = databroker.newReadOnlyTransaction();
64 Optional<D> optionalDataObject = Optional.absent();
65 CheckedFuture<Optional<D>, ReadFailedException> submitFuture = readTx.read(logicalDatastoreType, path);
67 optionalDataObject = submitFuture.checkedGet();
68 if (optionalDataObject.isPresent()) {
69 ret = optionalDataObject.get();
71 LOG.debug("{}: Failed to read {}",
72 Thread.currentThread().getStackTrace()[1], path);
74 } catch (ReadFailedException e) {
75 LOG.warn("Failed to read {} ", path, e);