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An open source implementation of the Distributed Interactive Simulation (DIS) IEEE-1278 protocol
package edu.nps.moves.dismobile;
import java.util.*;
import java.io.*;
import edu.nps.moves.disenum.*;
import edu.nps.moves.disutil.*;
/**
* Description of one electronic emission beam
*
* 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 ElectronicEmissionBeamData extends Object implements Serializable
{
/** This field shall specify the length of this beams data in 32 bit words */
protected short beamDataLength;
/** This field shall specify a unique emitter database number assigned to differentiate between otherwise similar or identical emitter beams within an emitter system. */
protected short beamIDNumber;
/** This field shall specify a Beam Parameter Index number that shall be used by receiving entities in conjunction with the Emitter Name field to provide a pointer to the stored database parameters required to regenerate the beam. */
protected int beamParameterIndex;
/** Fundamental parameter data such as frequency range, beam sweep, etc. */
protected FundamentalParameterData fundamentalParameterData = new FundamentalParameterData();
/** beam function of a particular beam */
protected short beamFunction;
/** Number of track/jam targets */
protected short numberOfTrackJamTargets;
/** wheher or not the receiving simulation apps can assume all the targets in the scan pattern are being tracked/jammed */
protected short highDensityTrackJam;
/** padding */
protected short pad4 = (short)0;
/** identify jamming techniques used */
protected long jammingModeSequence;
/** variable length list of track/jam targets */
protected List< TrackJamTarget> trackJamTargets = new ArrayList();
/** Constructor */
public ElectronicEmissionBeamData()
{
}
public int getMarshalledSize()
{
int marshalSize = 0;
marshalSize = marshalSize + 1; // beamDataLength
marshalSize = marshalSize + 1; // beamIDNumber
marshalSize = marshalSize + 2; // beamParameterIndex
marshalSize = marshalSize + fundamentalParameterData.getMarshalledSize(); // fundamentalParameterData
marshalSize = marshalSize + 1; // beamFunction
marshalSize = marshalSize + 1; // numberOfTrackJamTargets
marshalSize = marshalSize + 1; // highDensityTrackJam
marshalSize = marshalSize + 1; // pad4
marshalSize = marshalSize + 4; // jammingModeSequence
for(int idx=0; idx < trackJamTargets.size(); idx++)
{
TrackJamTarget listElement = trackJamTargets.get(idx);
marshalSize = marshalSize + listElement.getMarshalledSize();
}
return marshalSize;
}
public void setBeamDataLength(short pBeamDataLength)
{ beamDataLength = pBeamDataLength;
}
public short getBeamDataLength()
{ return beamDataLength;
}
public void setBeamIDNumber(short pBeamIDNumber)
{ beamIDNumber = pBeamIDNumber;
}
public short getBeamIDNumber()
{ return beamIDNumber;
}
public void setBeamParameterIndex(int pBeamParameterIndex)
{ beamParameterIndex = pBeamParameterIndex;
}
public int getBeamParameterIndex()
{ return beamParameterIndex;
}
public void setFundamentalParameterData(FundamentalParameterData pFundamentalParameterData)
{ fundamentalParameterData = pFundamentalParameterData;
}
public FundamentalParameterData getFundamentalParameterData()
{ return fundamentalParameterData;
}
public void setBeamFunction(short pBeamFunction)
{ beamFunction = pBeamFunction;
}
public short getBeamFunction()
{ return beamFunction;
}
public short getNumberOfTrackJamTargets()
{ return (short)trackJamTargets.size();
}
/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
* The getnumberOfTrackJamTargets 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 setNumberOfTrackJamTargets(short pNumberOfTrackJamTargets)
{ numberOfTrackJamTargets = pNumberOfTrackJamTargets;
}
public void setHighDensityTrackJam(short pHighDensityTrackJam)
{ highDensityTrackJam = pHighDensityTrackJam;
}
public short getHighDensityTrackJam()
{ return highDensityTrackJam;
}
public void setPad4(short pPad4)
{ pad4 = pPad4;
}
public short getPad4()
{ return pad4;
}
public void setJammingModeSequence(long pJammingModeSequence)
{ jammingModeSequence = pJammingModeSequence;
}
public long getJammingModeSequence()
{ return jammingModeSequence;
}
public void setTrackJamTargets(List pTrackJamTargets)
{ trackJamTargets = pTrackJamTargets;
}
public List getTrackJamTargets()
{ return trackJamTargets; }
public void marshal(DataOutputStream dos)
{
try
{
dos.writeByte( (byte)beamDataLength);
dos.writeByte( (byte)beamIDNumber);
dos.writeShort( (short)beamParameterIndex);
fundamentalParameterData.marshal(dos);
dos.writeByte( (byte)beamFunction);
dos.writeByte( (byte)trackJamTargets.size());
dos.writeByte( (byte)highDensityTrackJam);
dos.writeByte( (byte)pad4);
dos.writeInt( (int)jammingModeSequence);
for(int idx = 0; idx < trackJamTargets.size(); idx++)
{
TrackJamTarget aTrackJamTarget = trackJamTargets.get(idx);
aTrackJamTarget.marshal(dos);
} // end of list marshalling
} // end try
catch(Exception e)
{
System.out.println(e);}
} // end of marshal method
public void unmarshal(DataInputStream dis)
{
try
{
beamDataLength = (short)dis.readUnsignedByte();
beamIDNumber = (short)dis.readUnsignedByte();
beamParameterIndex = (int)dis.readUnsignedShort();
fundamentalParameterData.unmarshal(dis);
beamFunction = (short)dis.readUnsignedByte();
numberOfTrackJamTargets = (short)dis.readUnsignedByte();
highDensityTrackJam = (short)dis.readUnsignedByte();
pad4 = (short)dis.readUnsignedByte();
jammingModeSequence = dis.readInt();
for(int idx = 0; idx < numberOfTrackJamTargets; idx++)
{
TrackJamTarget anX = new TrackJamTarget();
anX.unmarshal(dis);
trackJamTargets.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)
{
buff.put( (byte)beamDataLength);
buff.put( (byte)beamIDNumber);
buff.putShort( (short)beamParameterIndex);
fundamentalParameterData.marshal(buff);
buff.put( (byte)beamFunction);
buff.put( (byte)trackJamTargets.size());
buff.put( (byte)highDensityTrackJam);
buff.put( (byte)pad4);
buff.putInt( (int)jammingModeSequence);
for(int idx = 0; idx < trackJamTargets.size(); idx++)
{
TrackJamTarget aTrackJamTarget = (TrackJamTarget)trackJamTargets.get(idx);
aTrackJamTarget.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)
{
beamDataLength = (short)(buff.get() & 0xFF);
beamIDNumber = (short)(buff.get() & 0xFF);
beamParameterIndex = (int)(buff.getShort() & 0xFFFF);
fundamentalParameterData.unmarshal(buff);
beamFunction = (short)(buff.get() & 0xFF);
numberOfTrackJamTargets = (short)(buff.get() & 0xFF);
highDensityTrackJam = (short)(buff.get() & 0xFF);
pad4 = (short)(buff.get() & 0xFF);
jammingModeSequence = buff.getInt();
for(int idx = 0; idx < numberOfTrackJamTargets; idx++)
{
TrackJamTarget anX = new TrackJamTarget();
anX.unmarshal(buff);
trackJamTargets.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);
}
/**
* 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 ElectronicEmissionBeamData))
return false;
final ElectronicEmissionBeamData rhs = (ElectronicEmissionBeamData)obj;
if( ! (beamDataLength == rhs.beamDataLength)) ivarsEqual = false;
if( ! (beamIDNumber == rhs.beamIDNumber)) ivarsEqual = false;
if( ! (beamParameterIndex == rhs.beamParameterIndex)) ivarsEqual = false;
if( ! (fundamentalParameterData.equals( rhs.fundamentalParameterData) )) ivarsEqual = false;
if( ! (beamFunction == rhs.beamFunction)) ivarsEqual = false;
if( ! (numberOfTrackJamTargets == rhs.numberOfTrackJamTargets)) ivarsEqual = false;
if( ! (highDensityTrackJam == rhs.highDensityTrackJam)) ivarsEqual = false;
if( ! (pad4 == rhs.pad4)) ivarsEqual = false;
if( ! (jammingModeSequence == rhs.jammingModeSequence)) ivarsEqual = false;
for(int idx = 0; idx < trackJamTargets.size(); idx++)
{
if( ! ( trackJamTargets.get(idx).equals(rhs.trackJamTargets.get(idx)))) ivarsEqual = false;
}
return ivarsEqual;
}
} // end of class