package org.minetti.astrodevice.server.hibernate.object.embedded;
   
   import java.io.Serializable;
   import javax.persistence.Embeddable;
   import org.minetti.astrodevice.common.coordinate.Coordinate;
   import org.minetti.astrodevice.common.coordinate.DecimalCoordinate;
   
   /**
    * Object representing a coordinate stored as decimal format (embeddable class for Hibernate
   * framework).
   * @author Jean-Philippe MINETTI
   */
  @Embeddable
  public final class EmbeddedDecimalCoordinate
  		implements Serializable {
  
  	/**
  	 * Serial number.
  	 */
  	private static final long serialVersionUID = -6494669290341787706L;
  
  	/**
  	 * Full value of the coordinate in hours (h) or degrees (°).
  	 */
  	private double value;
  
  	/**
  	 * Constructor.
  	 */
  	public EmbeddedDecimalCoordinate () {
  		super();
  	}
  
  	/**
  	 * Constructor.
  	 * @param hourAngle <code>TRUE</code> if the coordinate must be an hour angle and therefore
  	 *            expressed in hours.
  	 * @param coordinate Coordinate.
  	 */
  	public EmbeddedDecimalCoordinate (final boolean hourAngle, final Coordinate coordinate) {
  		super();
  		if (hourAngle == coordinate.isHourAngle()) {
  			this.value = coordinate.getValue();
  		}
  		else {
  			this.value = coordinate.getValue() / (coordinate.isHourAngle() ? 24.0 : 360.0) * (hourAngle ? 24.0 : 360.0);
  		}
  	}
  
  	/**
  	 * Returns the full value of the coordinate in hours (h) or degrees (°).
  	 * @return Full value of the coordinate.
  	 */
  	public double getValue () {
  		return this.value;
  	}
  
  	/**
  	 * Sets the full value of the coordinate in hours (h) or degrees (°).
  	 * @param value Full value of the coordinate.
  	 */
  	public void setValue (final double value) {
  		this.value = value;
  	}
  
  	/**
  	 * Returns the coordinate.
  	 * @param hourAngle <code>TRUE</code> if the coordinate must be an hour angle and therefore
  	 *            expressed in hours.
  	 * @return Coordinate.
  	 */
  	public Coordinate toCoordinate (final boolean hourAngle) {
  		return new DecimalCoordinate(hourAngle, this.value);
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * @see java.lang.Object#toString()
  	 */
  	@Override
  	public String toString () {
  		return "EmbeddedDecimalCoordinate[value=" + this.value + "]";
  	}
  
  }