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.controller.md.sal.common.api.data.LogicalDatastoreType;
15 import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
16 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
17 import org.opendaylight.openflowplugin.applications.frsync.util.ReconciliationRegistry;
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);
31 private final SyncReactor delegate;
32 private final ReconciliationRegistry reconciliationRegistry;
34 public SyncReactorRetryDecorator(final SyncReactor delegate, final ReconciliationRegistry reconciliationRegistry) {
35 this.delegate = delegate;
36 this.reconciliationRegistry = reconciliationRegistry;
39 public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
40 final FlowCapableNode configTree, final FlowCapableNode operationalTree,
41 final LogicalDatastoreType dsType) throws InterruptedException {
43 final NodeId nodeId = PathUtil.digNodeId(flowcapableNodePath);
44 LOG.trace("syncup retry {}", nodeId.getValue());
46 if (dsType == LogicalDatastoreType.CONFIGURATION && reconciliationRegistry.isRegistered(nodeId)) {
47 LOG.debug("Config change ignored because {} is in reconcile.", nodeId.getValue());
48 return Futures.immediateFuture(Boolean.FALSE);
51 ListenableFuture<Boolean> syncupResult = delegate.syncup(flowcapableNodePath, configTree, operationalTree, dsType);
53 return Futures.transform(syncupResult, new Function<Boolean, Boolean>() {
55 public Boolean apply(Boolean result) {
56 LOG.trace("syncup ret in retry {}", result);
58 reconciliationRegistry.unregisterIfRegistered(nodeId);
61 reconciliationRegistry.register(nodeId);