openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/util/TaskUtil.java

   1 /**
   2  * Copyright (c) 2014 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.openflow.md.util;
   9
  10 import com.google.common.util.concurrent.JdkFutureAdapters;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.concurrent.Future;
  13 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
  14 import org.opendaylight.openflowplugin.api.openflow.md.core.session.IMessageDispatchService;
  15 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
  16 import org.opendaylight.openflowplugin.openflow.md.core.MessageFactory;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierInput;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierOutput;
  19 import org.opendaylight.yangtools.yang.common.RpcResult;
  20
  21 /**
  22  *
  23  */
  24 public final class TaskUtil {
  25
  26     private TaskUtil() {
  27         throw new AssertionError("TaskUtil is not expected to be instantiated.");
  28     }
  29
  30     /**
  31      * @param session
  32      * @param cookie
  33      * @param messageService
  34      * @return barrier response
  35      */
  36     public static RpcInputOutputTuple<BarrierInput, ListenableFuture<RpcResult<BarrierOutput>>> sendBarrier(SessionContext session,
  37                                                                                                             SwitchConnectionDistinguisher cookie, IMessageDispatchService messageService) {
  38         BarrierInput barrierInput = MessageFactory.createBarrier(
  39                 session.getFeatures().getVersion(), session.getNextXid());
  40         Future<RpcResult<BarrierOutput>> barrierResult = messageService.barrier(barrierInput, cookie);
  41         ListenableFuture<RpcResult<BarrierOutput>> output = JdkFutureAdapters.listenInPoolThread(barrierResult);
  42
  43         return new RpcInputOutputTuple<>(barrierInput, output);
  44     }
  45
  46
  47 }