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An open source implementation of the Distributed Interactive Simulation (DIS) IEEE-1278 protocol

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package edu.nps.moves.dismobile;

import java.util.*;
import java.io.*;
import edu.nps.moves.disenum.*;
import edu.nps.moves.disutil.*;


/**
 * Section 5.3.10.2 Query a minefield for information about individual mines. Requires manual clean up to get the padding right. UNFINISHED
 *
 * Copyright (c) 2008-2010, 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 MinefieldQueryPdu extends MinefieldFamilyPdu implements Serializable
{
   /** Minefield ID */
   protected EntityID  minefieldID = new EntityID(); 

   /** EID of entity making the request */
   protected EntityID  requestingEntityID = new EntityID(); 

   /** request ID */
   protected short  requestID;

   /** Number of perimeter points for the minefield */
   protected short  numberOfPerimeterPoints;

   /** Padding */
   protected short  pad2;

   /** Number of sensor types */
   protected short  numberOfSensorTypes;

   /** data filter, 32 boolean fields */
   protected long  dataFilter;

   /** Entity type of mine being requested */
   protected EntityType  requestedMineType = new EntityType(); 

   /** perimeter points of request */
   protected List< Point> requestedPerimeterPoints = new ArrayList(); 
   /** Sensor types, each 16 bits long */
   protected List< TwoByteChunk> sensorTypes = new ArrayList(); 

/** Constructor */
 public MinefieldQueryPdu()
 {
    setPduType( (short)38 );
 }

public int getMarshalledSize()
{
   int marshalSize = 0; 

   marshalSize = super.getMarshalledSize();
   marshalSize = marshalSize + minefieldID.getMarshalledSize();  // minefieldID
   marshalSize = marshalSize + requestingEntityID.getMarshalledSize();  // requestingEntityID
   marshalSize = marshalSize + 1;  // requestID
   marshalSize = marshalSize + 1;  // numberOfPerimeterPoints
   marshalSize = marshalSize + 1;  // pad2
   marshalSize = marshalSize + 1;  // numberOfSensorTypes
   marshalSize = marshalSize + 4;  // dataFilter
   marshalSize = marshalSize + requestedMineType.getMarshalledSize();  // requestedMineType
   for(int idx=0; idx < requestedPerimeterPoints.size(); idx++)
   {
        Point listElement = requestedPerimeterPoints.get(idx);
        marshalSize = marshalSize + listElement.getMarshalledSize();
   }
   for(int idx=0; idx < sensorTypes.size(); idx++)
   {
        TwoByteChunk listElement = sensorTypes.get(idx);
        marshalSize = marshalSize + listElement.getMarshalledSize();
   }

   return marshalSize;
}


public void setMinefieldID(EntityID pMinefieldID)
{ minefieldID = pMinefieldID;
}

public EntityID getMinefieldID()
{ return minefieldID; 
}

public void setRequestingEntityID(EntityID pRequestingEntityID)
{ requestingEntityID = pRequestingEntityID;
}

public EntityID getRequestingEntityID()
{ return requestingEntityID; 
}

public void setRequestID(short pRequestID)
{ requestID = pRequestID;
}

public short getRequestID()
{ return requestID; 
}

public short getNumberOfPerimeterPoints()
{ return (short)requestedPerimeterPoints.size();
}

/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
 * The getnumberOfPerimeterPoints method will also be based on the actual list length rather than this value. 
 * The method is simply here for java bean completeness.
 */
public void setNumberOfPerimeterPoints(short pNumberOfPerimeterPoints)
{ numberOfPerimeterPoints = pNumberOfPerimeterPoints;
}

public void setPad2(short pPad2)
{ pad2 = pPad2;
}

public short getPad2()
{ return pad2; 
}

public short getNumberOfSensorTypes()
{ return (short)sensorTypes.size();
}

/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
 * The getnumberOfSensorTypes method will also be based on the actual list length rather than this value. 
 * The method is simply here for java bean completeness.
 */
public void setNumberOfSensorTypes(short pNumberOfSensorTypes)
{ numberOfSensorTypes = pNumberOfSensorTypes;
}

public void setDataFilter(long pDataFilter)
{ dataFilter = pDataFilter;
}

public long getDataFilter()
{ return dataFilter; 
}

public void setRequestedMineType(EntityType pRequestedMineType)
{ requestedMineType = pRequestedMineType;
}

public EntityType getRequestedMineType()
{ return requestedMineType; 
}

public void setRequestedPerimeterPoints(List pRequestedPerimeterPoints)
{ requestedPerimeterPoints = pRequestedPerimeterPoints;
}

public List getRequestedPerimeterPoints()
{ return requestedPerimeterPoints; }

public void setSensorTypes(List pSensorTypes)
{ sensorTypes = pSensorTypes;
}

public List getSensorTypes()
{ return sensorTypes; }


public void marshal(DataOutputStream dos)
{
    super.marshal(dos);
    try 
    {
       minefieldID.marshal(dos);
       requestingEntityID.marshal(dos);
       dos.writeByte( (byte)requestID);
       dos.writeByte( (byte)requestedPerimeterPoints.size());
       dos.writeByte( (byte)pad2);
       dos.writeByte( (byte)sensorTypes.size());
       dos.writeInt( (int)dataFilter);
       requestedMineType.marshal(dos);

       for(int idx = 0; idx < requestedPerimeterPoints.size(); idx++)
       {
            Point aPoint = requestedPerimeterPoints.get(idx);
            aPoint.marshal(dos);
       } // end of list marshalling


       for(int idx = 0; idx < sensorTypes.size(); idx++)
       {
            TwoByteChunk aTwoByteChunk = sensorTypes.get(idx);
            aTwoByteChunk.marshal(dos);
       } // end of list marshalling

    } // end try 
    catch(Exception e)
    { 
      System.out.println(e);}
    } // end of marshal method

public void unmarshal(DataInputStream dis)
{
     super.unmarshal(dis);

    try 
    {
       minefieldID.unmarshal(dis);
       requestingEntityID.unmarshal(dis);
       requestID = (short)dis.readUnsignedByte();
       numberOfPerimeterPoints = (short)dis.readUnsignedByte();
       pad2 = (short)dis.readUnsignedByte();
       numberOfSensorTypes = (short)dis.readUnsignedByte();
       dataFilter = dis.readInt();
       requestedMineType.unmarshal(dis);
       for(int idx = 0; idx < numberOfPerimeterPoints; idx++)
       {
           Point anX = new Point();
           anX.unmarshal(dis);
           requestedPerimeterPoints.add(anX);
       }

       for(int idx = 0; idx < numberOfSensorTypes; idx++)
       {
           TwoByteChunk anX = new TwoByteChunk();
           anX.unmarshal(dis);
           sensorTypes.add(anX);
       }

    } // 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)
{
       super.marshal(buff);
       minefieldID.marshal(buff);
       requestingEntityID.marshal(buff);
       buff.put( (byte)requestID);
       buff.put( (byte)requestedPerimeterPoints.size());
       buff.put( (byte)pad2);
       buff.put( (byte)sensorTypes.size());
       buff.putInt( (int)dataFilter);
       requestedMineType.marshal(buff);

       for(int idx = 0; idx < requestedPerimeterPoints.size(); idx++)
       {
            Point aPoint = (Point)requestedPerimeterPoints.get(idx);
            aPoint.marshal(buff);
       } // end of list marshalling


       for(int idx = 0; idx < sensorTypes.size(); idx++)
       {
            TwoByteChunk aTwoByteChunk = (TwoByteChunk)sensorTypes.get(idx);
            aTwoByteChunk.marshal(buff);
       } // end of list marshalling

    } // 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)
{
       super.unmarshal(buff);

       minefieldID.unmarshal(buff);
       requestingEntityID.unmarshal(buff);
       requestID = (short)(buff.get() & 0xFF);
       numberOfPerimeterPoints = (short)(buff.get() & 0xFF);
       pad2 = (short)(buff.get() & 0xFF);
       numberOfSensorTypes = (short)(buff.get() & 0xFF);
       dataFilter = buff.getInt();
       requestedMineType.unmarshal(buff);
       for(int idx = 0; idx < numberOfPerimeterPoints; idx++)
       {
            Point anX = new Point();
            anX.unmarshal(buff);
            requestedPerimeterPoints.add(anX);
       }

       for(int idx = 0; idx < numberOfSensorTypes; idx++)
       {
            TwoByteChunk anX = new TwoByteChunk();
            anX.unmarshal(buff);
            sensorTypes.add(anX);
       }

 } // 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);
 }

@Override
 public boolean equalsImpl(Object obj)
 {
     boolean ivarsEqual = true;

    if(!(obj instanceof MinefieldQueryPdu))
        return false;

     final MinefieldQueryPdu rhs = (MinefieldQueryPdu)obj;

     if( ! (minefieldID.equals( rhs.minefieldID) )) ivarsEqual = false;
     if( ! (requestingEntityID.equals( rhs.requestingEntityID) )) ivarsEqual = false;
     if( ! (requestID == rhs.requestID)) ivarsEqual = false;
     if( ! (numberOfPerimeterPoints == rhs.numberOfPerimeterPoints)) ivarsEqual = false;
     if( ! (pad2 == rhs.pad2)) ivarsEqual = false;
     if( ! (numberOfSensorTypes == rhs.numberOfSensorTypes)) ivarsEqual = false;
     if( ! (dataFilter == rhs.dataFilter)) ivarsEqual = false;
     if( ! (requestedMineType.equals( rhs.requestedMineType) )) ivarsEqual = false;

     for(int idx = 0; idx < requestedPerimeterPoints.size(); idx++)
     {
        if( ! ( requestedPerimeterPoints.get(idx).equals(rhs.requestedPerimeterPoints.get(idx)))) ivarsEqual = false;
     }


     for(int idx = 0; idx < sensorTypes.size(); idx++)
     {
        if( ! ( sensorTypes.get(idx).equals(rhs.sensorTypes.get(idx)))) ivarsEqual = false;
     }


    return ivarsEqual && super.equalsImpl(rhs);
 }
} // end of class




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