openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/BarrierReplyMessageFactory.java

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
   2 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
   3
   4 import io.netty.buffer.ByteBuf;
   5
   6 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
   7 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierOutput;
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierOutputBuilder;
   9
  10 /**
  11  * @author michal.polkorab
  12  * @author timotej.kubas
  13  *
  14  */
  15 public class BarrierReplyMessageFactory implements
  16         OFDeserializer<BarrierOutput> {
  17
  18     private static BarrierReplyMessageFactory instance;
  19
  20     private BarrierReplyMessageFactory() {
  21         // do nothing, just singleton
  22     }
  23
  24     /**
  25      * @return singleton factory
  26      */
  27     public static synchronized BarrierReplyMessageFactory getInstance() {
  28         if (instance == null) {
  29             instance = new BarrierReplyMessageFactory();
  30         }
  31         return instance;
  32     }
  33
  34     @Override
  35     public BarrierOutput bufferToMessage(ByteBuf rawMessage, short version) {
  36         BarrierOutputBuilder builder = new BarrierOutputBuilder();
  37         builder.setVersion(version);
  38         builder.setXid(rawMessage.readUnsignedInt());
  39         return builder.build();
  40     }
  41
  42 }