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/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */

package org.apache.qpid.qmf;

import org.apache.qpid.transport.codec.BBEncoder;

public class QMFCommandHeader
{
    private final byte _version;
    private final int _seq;

    private final QMFOperation _operation;

    public QMFCommandHeader(byte version, int seq, QMFOperation operation)
    {
        _version = version;
        _seq = seq;
        _operation = operation;
    }

    public byte getVersion()
    {
        return _version;
    }

    public int getSeq()
    {
        return _seq;
    }

    public QMFOperation getOperation()
    {
        return _operation;
    }

    public void encode(BBEncoder encoder)
    {
        encoder.writeUint8((short)'A');
        encoder.writeUint8((short)'M');
        encoder.writeInt8(_version);
        encoder.writeUint8((short)_operation.getOpcode());
        encoder.writeInt32(_seq);
    }
}