How to use org.apache.sis.referencing.operation

/**
 * Returns a name for a transformation between two CRS.
 */
private static Map<String,?> defaultName(CoordinateReferenceSystem source, CoordinateReferenceSystem target) {
  return properties(new CRSPair(source, target).toString());
}

/**
 * Sets the geographic component of the area of interest, or {@code null} if none.
 * This convenience method set the bounding box into the spatio-temporal {@link Extent}.
 *
 * <p>The reverse operation can be done with <code>{@linkplain Extents#getGeographicBoundingBox(Extent)
 * Extents.getGeographicBoundingBox}({@linkplain #getAreaOfInterest()})</code>.</p>
 *
 * @param  area  the geographic area of interest, or {@code null} if none.
 */
public void setAreaOfInterest(final GeographicBoundingBox area) {
  areaOfInterest = setGeographicBoundingBox(areaOfInterest, area);
}

  /**
   * Returns the target CRS, which must be projected or {@code null}.
   */
  @Override
  public final ProjectedCRS getTargetCRS() {
    return (ProjectedCRS) super.getTargetCRS();
  }
}

  @Override protected void initialize(final int factoryTypes) {
    if ((factoryTypes & OPERATION) != 0) {
      opFactory = new DefaultCoordinateOperationFactory();
    }
  }
};

/**
 * Returns the source CRS, which must be geographic or {@code null}.
 */
@Override
public final GeographicCRS getSourceCRS() {
  return (GeographicCRS) super.getSourceCRS();
}

  /**
   * Invoked when the builder needs a CRS or CS factory.
   */
  @Override
  public void initialize(final int factoryTypes) {
    if ((factoryTypes & CRS) != 0) crsFactory = factorySIS.getCRSFactory();
    if ((factoryTypes & CS)  != 0)  csFactory = factorySIS.getCSFactory();
  }
}

  protected Object readResolve() throws ObjectStreamException {
    return org.apache.sis.referencing.operation.DefaultOperationMethod.castOrCopy(this);
  }
}

/**
 * Creates a new test case.
 *
 * @throws FactoryException if an error occurred while initializing the finder to test.
 */
public CoordinateOperationFinderTest() throws FactoryException {
  finder = new CoordinateOperationFinder(null, factory, null);
}

/**
 * Returns the operation type of the given method.
 */
private static Class<?> getOperationType(final DefaultOperationMethod method) {
  Class<?> type = method.getOperationType();
  if (type == SingleOperation.class) {
    if (method instanceof Affine) {     // EPSG:9624 - Affine parametric transformation
      type = Transformation.class;
    }
  }
  return type;
}

  /**
   * Invoked by JAXB after unmarshalling.
   */
  void afterUnmarshal(Unmarshaller unmarshaller, Object parent) {
    computeTransientFields();
  }
}

  /**
   * Returns a string representation of this key.
   */
  @Override
  public String toString() {
    return label(sourceCRS) + " ⟶ " + label(targetCRS);
  }
}

/**
 * Returns the interpolation CRS of the given coordinate operation, or {@code null} if none.
 */
static CoordinateReferenceSystem getInterpolationCRS(final CoordinateOperation operation) {
  return (operation instanceof AbstractCoordinateOperation)
      ? ((AbstractCoordinateOperation) operation).getInterpolationCRS() : null;
}

/**
 * Returns a name for a transformation between two CRS.
 */
private static Map<String,?> defaultName(CoordinateReferenceSystem source, CoordinateReferenceSystem target) {
  return properties(new CRSPair(source, target).toString());
}

  /**
   * Returns the target CRS, which must be projected or {@code null}.
   */
  @Override
  public final ProjectedCRS getTargetCRS() {
    return (ProjectedCRS) super.getTargetCRS();
  }
}

/**
 * Returns the source CRS, which must be geographic or {@code null}.
 */
@Override
public final GeographicCRS getSourceCRS() {
  return (GeographicCRS) super.getSourceCRS();
}

  /**
   * Invoked when the builder needs a CRS or CS factory.
   */
  @Override
  public void initialize(final int factoryTypes) {
    if ((factoryTypes & CRS) != 0) crsFactory = factorySIS.getCRSFactory();
    if ((factoryTypes & CS)  != 0)  csFactory = factorySIS.getCSFactory();
  }
}

/**
 * Sets the geographic component of the area of interest, or {@code null} if none.
 * This convenience method set the bounding box into the spatio-temporal {@link Extent}.
 *
 * <p>The reverse operation can be done with <code>{@linkplain Extents#getGeographicBoundingBox(Extent)
 * Extents.getGeographicBoundingBox}({@linkplain #getAreaOfInterest()})</code>.</p>
 *
 * @param  area  the geographic area of interest, or {@code null} if none.
 */
public void setAreaOfInterest(final GeographicBoundingBox area) {
  areaOfInterest = setGeographicBoundingBox(areaOfInterest, area);
}

  /**
   * Invoked by JAXB after unmarshalling.
   */
  void afterUnmarshal(Unmarshaller unmarshaller, Object parent) {
    computeTransientFields();
  }
}

  /**
   * Returns a string representation of this key.
   */
  @Override
  public String toString() {
    return label(sourceCRS) + " ⟶ " + label(targetCRS);
  }
}

/**
 * Returns the interpolation CRS of the given coordinate operation, or {@code null} if none.
 */
static CoordinateReferenceSystem getInterpolationCRS(final CoordinateOperation operation) {
  return (operation instanceof AbstractCoordinateOperation)
      ? ((AbstractCoordinateOperation) operation).getInterpolationCRS() : null;
}