openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/util/InstructionUtil.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.impl.protocol.serialization.util;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderSerializer;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  14 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  16 import org.opendaylight.yangtools.yang.common.Uint8;
  17
  18 /**
  19  * Utility class for instruction serialization.
  20  */
  21 public final class InstructionUtil {
  22
  23     private InstructionUtil() {
  24     }
  25
  26     /**
  27      * Serialize instruction.
  28      *
  29      * @param instruction OpenFlow instruction
  30      * @param version OpenFlow version
  31      * @param registry OpenFlowJava serializer registry
  32      * @param outBuffer output buffer
  33      */
  34     @SuppressWarnings("unchecked")
  35     public static void writeInstruction(final Instruction instruction,
  36                                         final Uint8 version,
  37                                         final SerializerRegistry registry,
  38                                         final ByteBuf outBuffer) {
  39         registry.<Instruction, OFSerializer<Instruction>>getSerializer(
  40             new MessageTypeKey<>(version, (Class<Instruction>) instruction.implementedInterface()))
  41             .serialize(instruction, outBuffer);
  42     }
  43
  44     /**
  45      * Serialize instruction header.
  46      *
  47      * @param instruction OpenFlow instruction
  48      * @param version OpenFlow version
  49      * @param registry OpenFlowJava serializer registry
  50      * @param outBuffer output buffer
  51      */
  52     @SuppressWarnings("unchecked")
  53     public static void writeInstructionHeader(final Instruction instruction,
  54                                               final Uint8 version,
  55                                               final SerializerRegistry registry,
  56                                               final ByteBuf outBuffer) {
  57         registry.<Instruction, HeaderSerializer<Instruction>>getSerializer(
  58             new MessageTypeKey<>(version, (Class<Instruction>) instruction.implementedInterface()))
  59             .serializeHeader(instruction, outBuffer);
  60     }
  61 }