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package edu.nps.moves.dis7;

import java.io.*;

/**
 * Total number of record sets contained in a logical set of one or more PDUs.
 * Used to transfer ownership, etc Section 6.2.88
 *
 * Copyright (c) 2008-2016, MOVES Institute, Naval Postgraduate School. All
 * rights reserved. This work is licensed under the BSD open source license,
 * available at https://www.movesinstitute.org/licenses/bsd.html
 *
 * @author DMcG
 */
public class TotalRecordSets extends Object implements Serializable {

    /**
     * Total number of record sets
     */
    protected int totalRecordSets;

    /**
     * padding
     */
    protected int padding = (int) 0;

    /**
     * Constructor
     */
    public TotalRecordSets() {
    }

    public int getMarshalledSize() {
        int marshalSize = 0;

        marshalSize = marshalSize + 2;  // totalRecordSets
        marshalSize = marshalSize + 2;  // padding

        return marshalSize;
    }

    public void setTotalRecordSets(int pTotalRecordSets) {
        totalRecordSets = pTotalRecordSets;
    }

    public int getTotalRecordSets() {
        return totalRecordSets;
    }

    public void setPadding(int pPadding) {
        padding = pPadding;
    }

    public int getPadding() {
        return padding;
    }

    public void marshal(DataOutputStream dos) {
        try {
            dos.writeShort((short) totalRecordSets);
            dos.writeShort((short) padding);
        } // end try 
        catch (Exception e) {
            System.out.println(e);
        }
    } // end of marshal method

    public void unmarshal(DataInputStream dis) {
        try {
            totalRecordSets = (int) dis.readUnsignedShort();
            padding = (int) dis.readUnsignedShort();
        } // end try 
        catch (Exception e) {
            System.out.println(e);
        }
    } // end of unmarshal method 

    /**
     * Packs a Pdu into the ByteBuffer.
     *
     * @throws java.nio.BufferOverflowException if buff is too small
     * @throws java.nio.ReadOnlyBufferException if buff is read only
     * @see java.nio.ByteBuffer
     * @param buff The ByteBuffer at the position to begin writing
     * @since ??
     */
    public void marshal(java.nio.ByteBuffer buff) {
        buff.putShort((short) totalRecordSets);
        buff.putShort((short) padding);
    } // end of marshal method

    /**
     * Unpacks a Pdu from the underlying data.
     *
     * @throws java.nio.BufferUnderflowException if buff is too small
     * @see java.nio.ByteBuffer
     * @param buff The ByteBuffer at the position to begin reading
     * @since ??
     */
    public void unmarshal(java.nio.ByteBuffer buff) {
        totalRecordSets = (int) (buff.getShort() & 0xFFFF);
        padding = (int) (buff.getShort() & 0xFFFF);
    } // end of unmarshal method 


    /*
  * The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
     */
    @Override
    public boolean equals(Object obj) {

        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (getClass() != obj.getClass()) {
            return false;
        }

        return equalsImpl(obj);
    }

    /**
     * Compare all fields that contribute to the state, ignoring transient and
     * static fields, for this and the supplied object
     *
     * @param obj the object to compare to
     * @return true if the objects are equal, false otherwise.
     */
    public boolean equalsImpl(Object obj) {
        boolean ivarsEqual = true;

        if (!(obj instanceof TotalRecordSets)) {
            return false;
        }

        final TotalRecordSets rhs = (TotalRecordSets) obj;

        if (!(totalRecordSets == rhs.totalRecordSets)) {
            ivarsEqual = false;
        }
        if (!(padding == rhs.padding)) {
            ivarsEqual = false;
        }

        return ivarsEqual;
    }
} // end of class