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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.*;
/**
* Section 5.3.12.13: A request for one or more records of data from an entity. COMPLETE
*
* 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 RecordQueryReliablePdu extends SimulationManagementWithReliabilityFamilyPdu implements Serializable
{
/** request ID */
protected long requestID;
/** level of reliability service used for this transaction */
protected short requiredReliabilityService;
/** padding. The spec is unclear and contradictory here. */
protected int pad1;
/** padding */
protected short pad2;
/** event type */
protected int eventType;
/** time */
protected long time;
/** numberOfRecords */
protected long numberOfRecords;
/** record IDs */
protected List< FourByteChunk> recordIDs = new ArrayList();
/** Constructor */
public RecordQueryReliablePdu()
{
setPduType( (short)65 );
}
public int getMarshalledSize()
{
int marshalSize = 0;
marshalSize = super.getMarshalledSize();
marshalSize = marshalSize + 4; // requestID
marshalSize = marshalSize + 1; // requiredReliabilityService
marshalSize = marshalSize + 2; // pad1
marshalSize = marshalSize + 1; // pad2
marshalSize = marshalSize + 2; // eventType
marshalSize = marshalSize + 4; // time
marshalSize = marshalSize + 4; // numberOfRecords
for(int idx=0; idx < recordIDs.size(); idx++)
{
FourByteChunk listElement = recordIDs.get(idx);
marshalSize = marshalSize + listElement.getMarshalledSize();
}
return marshalSize;
}
public void setRequestID(long pRequestID)
{ requestID = pRequestID;
}
public long getRequestID()
{ return requestID;
}
public void setRequiredReliabilityService(short pRequiredReliabilityService)
{ requiredReliabilityService = pRequiredReliabilityService;
}
public short getRequiredReliabilityService()
{ return requiredReliabilityService;
}
public void setPad1(int pPad1)
{ pad1 = pPad1;
}
public int getPad1()
{ return pad1;
}
public void setPad2(short pPad2)
{ pad2 = pPad2;
}
public short getPad2()
{ return pad2;
}
public void setEventType(int pEventType)
{ eventType = pEventType;
}
public int getEventType()
{ return eventType;
}
public void setTime(long pTime)
{ time = pTime;
}
public long getTime()
{ return time;
}
public long getNumberOfRecords()
{ return (long)recordIDs.size();
}
/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
* The getnumberOfRecords 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 setNumberOfRecords(long pNumberOfRecords)
{ numberOfRecords = pNumberOfRecords;
}
public void setRecordIDs(List pRecordIDs)
{ recordIDs = pRecordIDs;
}
public List getRecordIDs()
{ return recordIDs; }
public void marshal(DataOutputStream dos)
{
super.marshal(dos);
try
{
dos.writeInt( (int)requestID);
dos.writeByte( (byte)requiredReliabilityService);
dos.writeShort( (short)pad1);
dos.writeByte( (byte)pad2);
dos.writeShort( (short)eventType);
dos.writeInt( (int)time);
dos.writeInt( (int)recordIDs.size());
for(int idx = 0; idx < recordIDs.size(); idx++)
{
FourByteChunk aFourByteChunk = recordIDs.get(idx);
aFourByteChunk.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
{
requestID = dis.readInt();
requiredReliabilityService = (short)dis.readUnsignedByte();
pad1 = (int)dis.readUnsignedShort();
pad2 = (short)dis.readUnsignedByte();
eventType = (int)dis.readUnsignedShort();
time = dis.readInt();
numberOfRecords = dis.readInt();
for(int idx = 0; idx < numberOfRecords; idx++)
{
FourByteChunk anX = new FourByteChunk();
anX.unmarshal(dis);
recordIDs.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);
buff.putInt( (int)requestID);
buff.put( (byte)requiredReliabilityService);
buff.putShort( (short)pad1);
buff.put( (byte)pad2);
buff.putShort( (short)eventType);
buff.putInt( (int)time);
buff.putInt( (int)recordIDs.size());
for(int idx = 0; idx < recordIDs.size(); idx++)
{
FourByteChunk aFourByteChunk = (FourByteChunk)recordIDs.get(idx);
aFourByteChunk.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);
requestID = buff.getInt();
requiredReliabilityService = (short)(buff.get() & 0xFF);
pad1 = (int)(buff.getShort() & 0xFFFF);
pad2 = (short)(buff.get() & 0xFF);
eventType = (int)(buff.getShort() & 0xFFFF);
time = buff.getInt();
numberOfRecords = buff.getInt();
for(int idx = 0; idx < numberOfRecords; idx++)
{
FourByteChunk anX = new FourByteChunk();
anX.unmarshal(buff);
recordIDs.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 RecordQueryReliablePdu))
return false;
final RecordQueryReliablePdu rhs = (RecordQueryReliablePdu)obj;
if( ! (requestID == rhs.requestID)) ivarsEqual = false;
if( ! (requiredReliabilityService == rhs.requiredReliabilityService)) ivarsEqual = false;
if( ! (pad1 == rhs.pad1)) ivarsEqual = false;
if( ! (pad2 == rhs.pad2)) ivarsEqual = false;
if( ! (eventType == rhs.eventType)) ivarsEqual = false;
if( ! (time == rhs.time)) ivarsEqual = false;
if( ! (numberOfRecords == rhs.numberOfRecords)) ivarsEqual = false;
for(int idx = 0; idx < recordIDs.size(); idx++)
{
if( ! ( recordIDs.get(idx).equals(rhs.recordIDs.get(idx)))) ivarsEqual = false;
}
return ivarsEqual && super.equalsImpl(rhs);
}
} // end of class