edu.nps.moves.dis.DeadReckoningParameter 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
/**
* represents values used in dead reckoning algorithms
*
* 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 DeadReckoningParameter extends Object implements Serializable
{
/** Primary key for hibernate, not part of the DIS standard */
private long pk_DeadReckoningParameter;
/** enumeration of what dead reckoning algorighm to use */
protected short deadReckoningAlgorithm;
/** other parameters to use in the dead reckoning algorithm */
protected byte[] otherParameters = new byte[15];
/** Linear acceleration of the entity */
protected Vector3Float entityLinearAcceleration = new Vector3Float();
/** angular velocity of the entity */
protected Vector3Float entityAngularVelocity = new Vector3Float();
/** Constructor */
public DeadReckoningParameter()
{
}
@Transient // Marked as transient to prevent hibernate from thinking this is a persistent property
public int getMarshalledSize()
{
int marshalSize = 0;
marshalSize = marshalSize + 1; // deadReckoningAlgorithm
marshalSize = marshalSize + 15 * 1; // otherParameters
marshalSize = marshalSize + entityLinearAcceleration.getMarshalledSize(); // entityLinearAcceleration
marshalSize = marshalSize + entityAngularVelocity.getMarshalledSize(); // entityAngularVelocity
return marshalSize;
}
/** Primary key for hibernate, not part of the DIS standard */
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
public long getPk_DeadReckoningParameter()
{
return pk_DeadReckoningParameter;
}
/** Hibernate primary key, not part of the DIS standard */
public void setPk_DeadReckoningParameter(long pKeyName)
{
this.pk_DeadReckoningParameter = pKeyName;
}
public void setDeadReckoningAlgorithm(short pDeadReckoningAlgorithm)
{ deadReckoningAlgorithm = pDeadReckoningAlgorithm;
}
@XmlAttribute // Jaxb
@Basic // Hibernate
public short getDeadReckoningAlgorithm()
{ return deadReckoningAlgorithm;
}
public void setOtherParameters(byte[] pOtherParameters)
{ otherParameters = pOtherParameters;
}
@XmlElement(name="otherParameters" )
@Basic
public byte[] getOtherParameters()
{ return otherParameters; }
public void setEntityLinearAcceleration(Vector3Float pEntityLinearAcceleration)
{ entityLinearAcceleration = pEntityLinearAcceleration;
}
// 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_entityLinearAcceleration;
@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityLinearAcceleration")
public Vector3Float getEntityLinearAcceleration()
{ return entityLinearAcceleration;
}
public void setEntityAngularVelocity(Vector3Float pEntityAngularVelocity)
{ entityAngularVelocity = pEntityAngularVelocity;
}
// 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_entityAngularVelocity;
@XmlElement
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name="fk_entityAngularVelocity")
public Vector3Float getEntityAngularVelocity()
{ return entityAngularVelocity;
}
public void marshal(DataOutputStream dos)
{
try
{
dos.writeByte( (byte)deadReckoningAlgorithm);
for(int idx = 0; idx < otherParameters.length; idx++)
{
dos.writeByte(otherParameters[idx]);
} // end of array marshaling
entityLinearAcceleration.marshal(dos);
entityAngularVelocity.marshal(dos);
} // end try
catch(Exception e)
{
System.out.println(e);}
} // end of marshal method
public void unmarshal(DataInputStream dis)
{
try
{
deadReckoningAlgorithm = (short)dis.readUnsignedByte();
for(int idx = 0; idx < otherParameters.length; idx++)
{
otherParameters[idx] = dis.readByte();
} // end of array unmarshaling
entityLinearAcceleration.unmarshal(dis);
entityAngularVelocity.unmarshal(dis);
} // 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)deadReckoningAlgorithm);
for(int idx = 0; idx < otherParameters.length; idx++)
{
buff.put((byte)otherParameters[idx]);
} // end of array marshaling
entityLinearAcceleration.marshal(buff);
entityAngularVelocity.marshal(buff);
} // 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)
{
deadReckoningAlgorithm = (short)(buff.get() & 0xFF);
for(int idx = 0; idx < otherParameters.length; idx++)
{
otherParameters[idx] = buff.get();
} // end of array unmarshaling
entityLinearAcceleration.unmarshal(buff);
entityAngularVelocity.unmarshal(buff);
} // 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 DeadReckoningParameter))
return false;
final DeadReckoningParameter rhs = (DeadReckoningParameter)obj;
if( ! (deadReckoningAlgorithm == rhs.deadReckoningAlgorithm)) ivarsEqual = false;
for(int idx = 0; idx < 15; idx++)
{
if(!(otherParameters[idx] == rhs.otherParameters[idx])) ivarsEqual = false;
}
if( ! (entityLinearAcceleration.equals( rhs.entityLinearAcceleration) )) ivarsEqual = false;
if( ! (entityAngularVelocity.equals( rhs.entityAngularVelocity) )) ivarsEqual = false;
return ivarsEqual;
}
} // end of class