GoToTableInstructionDeserializer.java example

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openflowjava-master
/*
 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.openflowjava.protocol.impl.deserialization.instruction;

import io.netty.buffer.ByteBuf;

import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderDeserializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instruction.grouping.instruction.choice.GotoTableCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instruction.grouping.instruction.choice._goto.table._case.GotoTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;

/**
 * @author michal.polkorab
 *
 */
public class GoToTableInstructionDeserializer  implements OFDeserializer<Instruction>,
        HeaderDeserializer<Instruction> {

    @Override
    public Instruction deserialize(ByteBuf input) {
        InstructionBuilder builder = new InstructionBuilder();
        GotoTableCaseBuilder caseBuilder = new GotoTableCaseBuilder();
        GotoTableBuilder instructionBuilder = new GotoTableBuilder();
        input.skipBytes(2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
        instructionBuilder.setTableId(input.readUnsignedByte());
        caseBuilder.setGotoTable(instructionBuilder.build());
        builder.setInstructionChoice(caseBuilder.build());
        input.skipBytes(InstructionConstants.PADDING_IN_GOTO_TABLE);
        return builder.build();
    }

    @Override
    public Instruction deserializeHeader(ByteBuf input) {
        InstructionBuilder builder = new InstructionBuilder();
        input.skipBytes(2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
        builder.setInstructionChoice(new GotoTableCaseBuilder().build());
        return builder.build();
    }
}