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 package org.opendaylight.openflowplugin.applications.frsync.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.concurrent.Executor;
  15 import java.util.concurrent.TimeUnit;
  16 import java.util.concurrent.TimeoutException;
  17 import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
  18 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
  19 import org.opendaylight.openflowplugin.applications.frsync.util.SyncupEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 /**
  26  * Decorator for running delegate syncup in Future.
  27  */
  28 public class SyncReactorFutureDecorator implements SyncReactor {
  29     private static final Logger LOG = LoggerFactory.getLogger(SyncReactorFutureDecorator.class);
  30
  31     private final SyncReactor delegate;
  32     private final Executor executor;
  33
  34     public SyncReactorFutureDecorator(final SyncReactor delegate, final Executor executor) {
  35         this.delegate = requireNonNull(delegate);
  36         this.executor = requireNonNull(executor);
  37     }
  38
  39     @Override
  40     public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  41             final SyncupEntry syncupEntry) {
  42         final var nodeId = PathUtil.digNodeId(flowcapableNodePath);
  43         return Futures.submit(() -> {
  44             try {
  45                 return doSyncupInFuture(flowcapableNodePath, syncupEntry).get(10000, TimeUnit.MILLISECONDS);
  46             } catch (TimeoutException e) {
  47                 LOG.warn("Syncup future timeout occured {}", nodeId.getValue());
  48                 return Boolean.FALSE;
  49             }
  50         }, executor);
  51     }
  52
  53     protected ListenableFuture<Boolean> doSyncupInFuture(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  54             final SyncupEntry syncupEntry) {
  55         return delegate.syncup(flowcapableNodePath, syncupEntry);
  56     }
  57 }