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     public static final String FRM_RPC_CLIENT_PREFIX = "FRS-executor-";
  31     private final SyncReactor delegate;
  32     private final ListeningExecutorService executorService;
  33
  34     public SyncReactorFutureDecorator(SyncReactor delegate, ListeningExecutorService executorService) {
  35         this.delegate = delegate;
  36         this.executorService = executorService;
  37     }
  38
  39     public ListenableFuture<Boolean> syncup(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  40                                             final SyncupEntry syncupEntry) throws InterruptedException {
  41         final NodeId nodeId = PathUtil.digNodeId(flowcapableNodePath);
  42         return executorService.submit(() -> {
  43             try {
  44                 final Boolean futureResult = doSyncupInFuture(flowcapableNodePath, syncupEntry)
  45                         .get(10000, TimeUnit.MILLISECONDS);
  46                 return futureResult;
  47             } catch (TimeoutException e) {
  48                 LOG.warn("Syncup future timeout occured {}", nodeId.getValue(), e);
  49                 return Boolean.FALSE;
  50             }
  51         });
  52     }
  53
  54     protected ListenableFuture<Boolean> doSyncupInFuture(final InstanceIdentifier<FlowCapableNode> flowcapableNodePath,
  55                                                          final SyncupEntry syncupEntry) throws InterruptedException {
  56         return delegate.syncup(flowcapableNodePath, syncupEntry);
  57     }
  58 }