2 * Copyright (c) 2015 - 2017 Ericsson India Global Services Pvt Ltd. 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.netvirt.vpnmanager;
10 import com.google.common.base.Optional;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
13 import com.google.common.util.concurrent.MoreExecutors;
14 import java.util.concurrent.ExecutionException;
15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
16 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.yangtools.yang.binding.DataObject;
20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
24 public final class TransactionUtil {
25 private static final Logger LOG = LoggerFactory.getLogger(TransactionUtil.class);
27 private TransactionUtil() {
30 public static final FutureCallback<Void> DEFAULT_CALLBACK = new FutureCallback<Void>() {
32 public void onSuccess(Void result) {
33 LOG.debug("onSuccess: Success in Datastore operation");
37 public void onFailure(Throwable error) {
38 LOG.error("onFailure: Error in Datastore operation", error);
42 public static <T extends DataObject> Optional<T> read(DataBroker dataBroker, LogicalDatastoreType datastoreType,
43 InstanceIdentifier<T> path) {
45 ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction();
49 result = tx.read(datastoreType, path).get();
50 } catch (InterruptedException | ExecutionException e) {
51 LOG.debug("read: Error while reading data from path {}", path);
52 throw new RuntimeException(e);
57 public static <T extends DataObject> void asyncWrite(DataBroker dataBroker, LogicalDatastoreType datastoreType,
58 InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
59 WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
60 tx.put(datastoreType, path, data, true);
61 Futures.addCallback(tx.submit(), callback, MoreExecutors.directExecutor());
64 public static <T extends DataObject> void syncWrite(DataBroker dataBroker, LogicalDatastoreType datastoreType,
65 InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
66 WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
67 tx.put(datastoreType, path, data, WriteTransaction.CREATE_MISSING_PARENTS);
70 } catch (InterruptedException | ExecutionException e) {
71 LOG.error("syncWrite: Error writing VPN instance to ID info to datastore (path, data) : ({}, {})", path,
73 throw new RuntimeException(e.getMessage(), e);