2 * Copyright (c) 2016 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.openflowplugin.applications.frsync.impl;
11 import com.google.common.base.Function;
12 import com.google.common.util.concurrent.Futures;
13 import com.google.common.util.concurrent.ListenableFuture;
14 import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
15 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
16 import org.opendaylight.openflowplugin.applications.frsync.util.ReconciliationRegistry;
17 import org.opendaylight.openflowplugin.applications.frsync.util.SyncupEntry;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
25 * Adding retry mechanism in case of unsuccessful syncup.
27 public class SyncReactorRetryDecorator implements SyncReactor {
29 private static final Logger LOG = LoggerFactory.getLogger(SyncReactorRetryDecorator.class);
30 private final SyncReactor delegate;
31 private final ReconciliationRegistry reconciliationRegistry;
33 public SyncReactorRetryDecorator(final SyncReactor delegate, final ReconciliationRegistry reconciliationRegistry) {
34 this.delegate = delegate;
35 this.reconciliationRegistry = reconciliationRegistry;
38 public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
39 final SyncupEntry syncupEntry) {
41 final NodeId nodeId = PathUtil.digNodeId(flowcapableNodePath);
42 if (syncupEntry.isOptimizedConfigDelta() && reconciliationRegistry.isRegistered(nodeId)) {
43 LOG.debug("Config change ignored because {} is in reconcile.", nodeId.getValue());
44 return Futures.immediateFuture(Boolean.TRUE);
47 ListenableFuture<Boolean> syncupResult = delegate.syncup(flowcapableNodePath,syncupEntry);
49 return Futures.transform(syncupResult, new Function<Boolean, Boolean>() {
51 public Boolean apply(Boolean result) {
53 reconciliationRegistry.unregisterIfRegistered(nodeId);
55 reconciliationRegistry.register(nodeId);