openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/EchoReplyInputMessageFactory.java

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */\r
   2 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;\r
   3 \r
   4 import io.netty.buffer.ByteBuf;\r
   5 \r
   6 import org.opendaylight.openflowjava.protocol.impl.core.OFFrameDecoder;\r
   7 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;\r
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoReplyInput;\r
   9 \r
  10 /**\r
  11  * @author michal.polkorab\r
  12  *\r
  13  */\r
  14 public class EchoReplyInputMessageFactory implements OFSerializer<EchoReplyInput>{\r
  15 \r
  16     /** Code type of EchoReply message */\r
  17     public static final byte MESSAGE_TYPE = 3;\r
  18     private static EchoReplyInputMessageFactory instance;\r
  19     \r
  20     private EchoReplyInputMessageFactory() {\r
  21         // do nothing, just singleton\r
  22     }\r
  23     \r
  24     /**\r
  25      * @return singleton factory\r
  26      */\r
  27     public static EchoReplyInputMessageFactory getInstance() {\r
  28         if (instance == null) {\r
  29             instance = new EchoReplyInputMessageFactory();\r
  30         }\r
  31         return instance;\r
  32     }\r
  33 \r
  34     @Override\r
  35     public void messageToBuffer(short version, ByteBuf out,\r
  36             EchoReplyInput message) {\r
  37         out.writeByte(message.getVersion());\r
  38         out.writeByte(MESSAGE_TYPE);\r
  39         out.writeShort(OFFrameDecoder.LENGTH_OF_HEADER);\r
  40         out.writeInt(message.getXid().intValue());\r
  41     }\r
  42 }\r