edu.nps.moves.dis7.BeamData Maven / Gradle / Ivy

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package edu.nps.moves.dis7;

import java.io.*;

/**
 * Describes the scan volue of an emitter beam. Section 6.2.11.
 *
 * Copyright (c) 2008-2016, 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 BeamData extends Object implements Serializable {

    /**
     * Specifies the beam azimuth an elevation centers and corresponding
     * half-angles to describe the scan volume
     */
    protected float beamAzimuthCenter;

    /**
     * Specifies the beam azimuth sweep to determine scan volume
     */
    protected float beamAzimuthSweep;

    /**
     * Specifies the beam elevation center to determine scan volume
     */
    protected float beamElevationCenter;

    /**
     * Specifies the beam elevation sweep to determine scan volume
     */
    protected float beamElevationSweep;

    /**
     * allows receiver to synchronize its regenerated scan pattern to that of
     * the emmitter. Specifies the percentage of time a scan is through its
     * pattern from its origion.
     */
    protected float beamSweepSync;

    /**
     * Constructor
     */
    public BeamData() {
    }

    public int getMarshalledSize() {
        int marshalSize = 0;

        marshalSize = marshalSize + 4;  // beamAzimuthCenter
        marshalSize = marshalSize + 4;  // beamAzimuthSweep
        marshalSize = marshalSize + 4;  // beamElevationCenter
        marshalSize = marshalSize + 4;  // beamElevationSweep
        marshalSize = marshalSize + 4;  // beamSweepSync

        return marshalSize;
    }

    public void setBeamAzimuthCenter(float pBeamAzimuthCenter) {
        beamAzimuthCenter = pBeamAzimuthCenter;
    }

    public float getBeamAzimuthCenter() {
        return beamAzimuthCenter;
    }

    public void setBeamAzimuthSweep(float pBeamAzimuthSweep) {
        beamAzimuthSweep = pBeamAzimuthSweep;
    }

    public float getBeamAzimuthSweep() {
        return beamAzimuthSweep;
    }

    public void setBeamElevationCenter(float pBeamElevationCenter) {
        beamElevationCenter = pBeamElevationCenter;
    }

    public float getBeamElevationCenter() {
        return beamElevationCenter;
    }

    public void setBeamElevationSweep(float pBeamElevationSweep) {
        beamElevationSweep = pBeamElevationSweep;
    }

    public float getBeamElevationSweep() {
        return beamElevationSweep;
    }

    public void setBeamSweepSync(float pBeamSweepSync) {
        beamSweepSync = pBeamSweepSync;
    }

    public float getBeamSweepSync() {
        return beamSweepSync;
    }

    public void marshal(DataOutputStream dos) {
        try {
            dos.writeFloat((float) beamAzimuthCenter);
            dos.writeFloat((float) beamAzimuthSweep);
            dos.writeFloat((float) beamElevationCenter);
            dos.writeFloat((float) beamElevationSweep);
            dos.writeFloat((float) beamSweepSync);
        } // end try 
        catch (Exception e) {
            System.out.println(e);
        }
    } // end of marshal method

    public void unmarshal(DataInputStream dis) {
        try {
            beamAzimuthCenter = dis.readFloat();
            beamAzimuthSweep = dis.readFloat();
            beamElevationCenter = dis.readFloat();
            beamElevationSweep = dis.readFloat();
            beamSweepSync = dis.readFloat();
        } // 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.putFloat((float) beamAzimuthCenter);
        buff.putFloat((float) beamAzimuthSweep);
        buff.putFloat((float) beamElevationCenter);
        buff.putFloat((float) beamElevationSweep);
        buff.putFloat((float) beamSweepSync);
    } // 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) {
        beamAzimuthCenter = buff.getFloat();
        beamAzimuthSweep = buff.getFloat();
        beamElevationCenter = buff.getFloat();
        beamElevationSweep = buff.getFloat();
        beamSweepSync = buff.getFloat();
    } // 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 BeamData)) {
            return false;
        }

        final BeamData rhs = (BeamData) obj;

        if (!(beamAzimuthCenter == rhs.beamAzimuthCenter)) {
            ivarsEqual = false;
        }
        if (!(beamAzimuthSweep == rhs.beamAzimuthSweep)) {
            ivarsEqual = false;
        }
        if (!(beamElevationCenter == rhs.beamElevationCenter)) {
            ivarsEqual = false;
        }
        if (!(beamElevationSweep == rhs.beamElevationSweep)) {
            ivarsEqual = false;
        }
        if (!(beamSweepSync == rhs.beamSweepSync)) {
            ivarsEqual = false;
        }

        return ivarsEqual;
    }
} // end of class