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• EntityStateUpdatePdu.java

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edu.nps.moves.dis.EntityStateUpdatePdu Maven / Gradle / Ivy

package edu.nps.moves.dis;

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

// Jaxb and Hibernate annotations generally won't work on mobile devices. XML serialization uses jaxb, and
// javax.persistence uses the JPA JSR, aka hibernate. See the Hibernate site for details.
// To generate Java code without these, and without the annotations scattered through the
// see the XMLPG java code generator, and set the boolean useHibernateAnnotations and useJaxbAnnotions 
// to false, and then regenerate the code

import javax.xml.bind.*;            // Used for JAXB XML serialization
import javax.xml.bind.annotation.*; // Used for XML serialization annotations (the @ stuff)
import javax.persistence.*;         // Used for JPA/Hibernate SQL persistence

/**
 * 5.3.3.4. Nonstatic information about a particular entity may be communicated by issuing an Entity State Update PDU. 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
 */
@Entity  // Hibernate
@Inheritance(strategy=InheritanceType.JOINED)  // Hibernate
public class EntityStateUpdatePdu extends EntityInformationFamilyPdu implements Serializable
{
   /** This field shall identify the entity issuing the PDU */
   protected EntityID  entityID = new EntityID(); 

   /** Padding */
   protected byte  padding1;

   /** How many articulation parameters are in the variable length list */
   protected short  numberOfArticulationParameters;

   /** Describes the speed of the entity in the world */
   protected Vector3Float  entityLinearVelocity = new Vector3Float(); 

   /** describes the location of the entity in the world */
   protected Vector3Double  entityLocation = new Vector3Double(); 

   /** describes the orientation of the entity, in euler angles */
   protected Orientation  entityOrientation = new Orientation(); 

   /** a series of bit flags that are used to help draw the entity, such as smoking, on fire, etc. */
   protected int  entityAppearance;

   protected List< ArticulationParameter> articulationParameters = new ArrayList(); 

/** Constructor */
 public EntityStateUpdatePdu()
 {
    setPduType( (short)67 );
    setProtocolFamily( (short)1 );
 }

@Transient  // Marked as transient to prevent hibernate from thinking this is a persistent property
public int getMarshalledSize()
{
   int marshalSize = 0; 

   marshalSize = super.getMarshalledSize();
   marshalSize = marshalSize + entityID.getMarshalledSize();  // entityID
   marshalSize = marshalSize + 1;  // padding1
   marshalSize = marshalSize + 1;  // numberOfArticulationParameters
   marshalSize = marshalSize + entityLinearVelocity.getMarshalledSize();  // entityLinearVelocity
   marshalSize = marshalSize + entityLocation.getMarshalledSize();  // entityLocation
   marshalSize = marshalSize + entityOrientation.getMarshalledSize();  // entityOrientation
   marshalSize = marshalSize + 4;  // entityAppearance
   for(int idx=0; idx < articulationParameters.size(); idx++)
   {
        ArticulationParameter listElement = articulationParameters.get(idx);
        marshalSize = marshalSize + listElement.getMarshalledSize();
   }

   return marshalSize;
}


public void setEntityID(EntityID pEntityID)
{ entityID = pEntityID;
}

// HIBERNATE: this ivar is a foreign key, linked to the below class table. 
// It is not a DIS-standard variable and is not marshalled to IEEE-1278.1
public long fk_entityID;

@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityID")
public EntityID getEntityID()
{ return entityID; 
}

public void setPadding1(byte pPadding1)
{ padding1 = pPadding1;
}

@XmlAttribute // Jaxb
@Basic       // Hibernate
public byte getPadding1()
{ return padding1; 
}

@XmlAttribute
@Basic
public short getNumberOfArticulationParameters()
{ return (short)articulationParameters.size();
}

/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
 * The getnumberOfArticulationParameters 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 setNumberOfArticulationParameters(short pNumberOfArticulationParameters)
{ numberOfArticulationParameters = pNumberOfArticulationParameters;
}

public void setEntityLinearVelocity(Vector3Float pEntityLinearVelocity)
{ entityLinearVelocity = pEntityLinearVelocity;
}

// HIBERNATE: this ivar is a foreign key, linked to the below class table. 
// It is not a DIS-standard variable and is not marshalled to IEEE-1278.1
public long fk_entityLinearVelocity;

@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityLinearVelocity")
public Vector3Float getEntityLinearVelocity()
{ return entityLinearVelocity; 
}

public void setEntityLocation(Vector3Double pEntityLocation)
{ entityLocation = pEntityLocation;
}

// HIBERNATE: this ivar is a foreign key, linked to the below class table. 
// It is not a DIS-standard variable and is not marshalled to IEEE-1278.1
public long fk_entityLocation;

@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityLocation")
public Vector3Double getEntityLocation()
{ return entityLocation; 
}

public void setEntityOrientation(Orientation pEntityOrientation)
{ entityOrientation = pEntityOrientation;
}

// HIBERNATE: this ivar is a foreign key, linked to the below class table. 
// It is not a DIS-standard variable and is not marshalled to IEEE-1278.1
public long fk_entityOrientation;

@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityOrientation")
public Orientation getEntityOrientation()
{ return entityOrientation; 
}

public void setEntityAppearance(int pEntityAppearance)
{ entityAppearance = pEntityAppearance;
}

@XmlAttribute // Jaxb
@Basic       // Hibernate
public int getEntityAppearance()
{ return entityAppearance; 
}

public void setArticulationParameters(List pArticulationParameters)
{ articulationParameters = pArticulationParameters;
}

@XmlElementWrapper(name="articulationParametersList" ) //  Jaxb
@OneToMany    // Hibernate
public List getArticulationParameters()
{ return articulationParameters; }


public void marshal(DataOutputStream dos)
{
    super.marshal(dos);
    try 
    {
       entityID.marshal(dos);
       dos.writeByte( (byte)padding1);
       dos.writeByte( (byte)articulationParameters.size());
       entityLinearVelocity.marshal(dos);
       entityLocation.marshal(dos);
       entityOrientation.marshal(dos);
       dos.writeInt( (int)entityAppearance);

       for(int idx = 0; idx < articulationParameters.size(); idx++)
       {
            ArticulationParameter aArticulationParameter = articulationParameters.get(idx);
            aArticulationParameter.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 
    {
       entityID.unmarshal(dis);
       padding1 = dis.readByte();
       numberOfArticulationParameters = (short)dis.readUnsignedByte();
       entityLinearVelocity.unmarshal(dis);
       entityLocation.unmarshal(dis);
       entityOrientation.unmarshal(dis);
       entityAppearance = dis.readInt();
       for(int idx = 0; idx < numberOfArticulationParameters; idx++)
       {
           ArticulationParameter anX = new ArticulationParameter();
           anX.unmarshal(dis);
           articulationParameters.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);
       entityID.marshal(buff);
       buff.put( (byte)padding1);
       buff.put( (byte)articulationParameters.size());
       entityLinearVelocity.marshal(buff);
       entityLocation.marshal(buff);
       entityOrientation.marshal(buff);
       buff.putInt( (int)entityAppearance);

       for(int idx = 0; idx < articulationParameters.size(); idx++)
       {
            ArticulationParameter aArticulationParameter = (ArticulationParameter)articulationParameters.get(idx);
            aArticulationParameter.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);

       entityID.unmarshal(buff);
       padding1 = buff.get();
       numberOfArticulationParameters = (short)(buff.get() & 0xFF);
       entityLinearVelocity.unmarshal(buff);
       entityLocation.unmarshal(buff);
       entityOrientation.unmarshal(buff);
       entityAppearance = buff.getInt();
       for(int idx = 0; idx < numberOfArticulationParameters; idx++)
       {
            ArticulationParameter anX = new ArticulationParameter();
            anX.unmarshal(buff);
            articulationParameters.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 EntityStateUpdatePdu))
        return false;

     final EntityStateUpdatePdu rhs = (EntityStateUpdatePdu)obj;

     if( ! (entityID.equals( rhs.entityID) )) ivarsEqual = false;
     if( ! (padding1 == rhs.padding1)) ivarsEqual = false;
     if( ! (numberOfArticulationParameters == rhs.numberOfArticulationParameters)) ivarsEqual = false;
     if( ! (entityLinearVelocity.equals( rhs.entityLinearVelocity) )) ivarsEqual = false;
     if( ! (entityLocation.equals( rhs.entityLocation) )) ivarsEqual = false;
     if( ! (entityOrientation.equals( rhs.entityOrientation) )) ivarsEqual = false;
     if( ! (entityAppearance == rhs.entityAppearance)) ivarsEqual = false;

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


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