applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/impl/SyncReactorClusterDecorator.java

   1 /**
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowplugin.applications.frsync.impl;
  10
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
  14 import org.opendaylight.openflowplugin.applications.frsync.impl.clustering.DeviceMastershipManager;
  15 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
  16 import org.opendaylight.openflowplugin.applications.frsync.util.SyncupEntry;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * Decorator for cluster related issues.
  25  */
  26 public class SyncReactorClusterDecorator implements SyncReactor {
  27     private static final Logger LOG = LoggerFactory.getLogger(SyncReactorClusterDecorator.class);
  28     private final SyncReactor delegate;
  29     private final DeviceMastershipManager deviceMastershipManager;
  30
  31     public SyncReactorClusterDecorator(final SyncReactor delegate,
  32                                        final DeviceMastershipManager deviceMastershipManager) {
  33         this.delegate = delegate;
  34         this.deviceMastershipManager = deviceMastershipManager;
  35     }
  36
  37     @Override
  38     public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  39                                             final SyncupEntry syncupEntry) throws InterruptedException {
  40         final NodeId nodeId = PathUtil.digNodeId(flowcapableNodePath);
  41         if (!deviceMastershipManager.isDeviceMastered(nodeId)) {
  42             LOG.debug("Skip syncup since not master for: {}", nodeId.getValue());
  43             return Futures.immediateFuture(Boolean.TRUE);
  44         } else {
  45             return delegate.syncup(flowcapableNodePath, syncupEntry);
  46         }
  47     }
  48 }