openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/instructions/AbstractInstructionSerializer.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.openflowplugin.impl.protocol.serialization.instructions;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderSerializer;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  14 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  16
  17 public abstract class AbstractInstructionSerializer<T extends Instruction> implements OFSerializer<T>,
  18         HeaderSerializer<T> {
  19
  20     @Override
  21     public void serialize(T input, ByteBuf outBuffer) {
  22         outBuffer.writeShort(getType());
  23         outBuffer.writeShort(getLength());
  24     }
  25
  26     @Override
  27     public void serializeHeader(T input, ByteBuf outBuffer) {
  28         outBuffer.writeShort(getType());
  29         outBuffer.writeShort(InstructionConstants.INSTRUCTION_IDS_LENGTH);
  30     }
  31
  32     /**
  33      * Get type.
  34      *
  35      * @return numeric representation of instruction type.
  36      */
  37     protected abstract int getType();
  38
  39     /**
  40      * Get length.
  41      *
  42      * @return instruction length.
  43      */
  44     protected abstract int getLength();
  45
  46 }