applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/impl/SyncReactorFutureDecorator.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.ListenableFuture;
  12 import com.google.common.util.concurrent.ListeningExecutorService;
  13 import java.util.concurrent.TimeUnit;
  14 import java.util.concurrent.TimeoutException;
  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.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;
  23
  24 /**
  25  * Decorator for running delegate syncup in Future.
  26  */
  27 public class SyncReactorFutureDecorator implements SyncReactor {
  28
  29     private static final Logger LOG = LoggerFactory.getLogger(SyncReactorFutureDecorator.class);
  30     private final SyncReactor delegate;
  31     private final ListeningExecutorService executorService;
  32
  33     public SyncReactorFutureDecorator(final SyncReactor delegate, final ListeningExecutorService executorService) {
  34         this.delegate = delegate;
  35         this.executorService = executorService;
  36     }
  37
  38     public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  39                                             final SyncupEntry syncupEntry) {
  40         final NodeId nodeId = PathUtil.digNodeId(flowcapableNodePath);
  41         return executorService.submit(() -> {
  42             try {
  43                 return doSyncupInFuture(flowcapableNodePath, syncupEntry).get(10000, TimeUnit.MILLISECONDS);
  44             } catch (TimeoutException e) {
  45                 LOG.warn("Syncup future timeout occured {}", nodeId.getValue(), e);
  46                 return Boolean.FALSE;
  47             }
  48         });
  49     }
  50
  51     protected ListenableFuture<Boolean> doSyncupInFuture(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  52                                                          final SyncupEntry syncupEntry) {
  53         return delegate.syncup(flowcapableNodePath, syncupEntry);
  54     }
  55 }