/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.analytics.math.cube;

import org.apache.commons.lang.Validate;

/**
 * Shifts a {@link ConstantDoublesCube}. Only parallel shifts of the cube are supported.
 */
public class ConstantCubeAdditiveShiftFunction implements CubeShiftFunction<ConstantDoublesCube> {

  /**
   * {@inheritDoc}
   */
  @Override
  public ConstantDoublesCube evaluate(final ConstantDoublesCube cube, final double shift) {
    Validate.notNull(cube, "cube");
    return evaluate(cube, shift, "PARALLEL_SHIFT_" + cube.getName());
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public ConstantDoublesCube evaluate(final ConstantDoublesCube cube, final double shift, final String newName) {
    Validate.notNull(cube, "cube");
    final double v = cube.getValue(0., 0., 0.);
    return ConstantDoublesCube.from(v + shift, newName);
  }

  /**
  * {@inheritDoc}
  * @return Not supported
  * @throws UnsupportedOperationException
  */
  @Override
  public ConstantDoublesCube evaluate(ConstantDoublesCube cube, double x, double y, double z, double shift) {
    throw new UnsupportedOperationException();
  }

  /**
   * {@inheritDoc}
   * @return Not supported
   * @throws UnsupportedOperationException
   */
  @Override
  public ConstantDoublesCube evaluate(ConstantDoublesCube cube,
      double x,
      double y,
      double z,
      double shift,
      String newName) {
    throw new UnsupportedOperationException();
  }

  /**
   * {@inheritDoc}
   * @return Not supported
   * @throws UnsupportedOperationException
   */
  @Override
  public ConstantDoublesCube evaluate(ConstantDoublesCube cube,
      double[] xShift,
      double[] yShift,
      double[] zShift,
      double[] shift) {
    throw new UnsupportedOperationException();
  }

  /**
   * {@inheritDoc}
   * @return Not supported
   * @throws UnsupportedOperationException
   */
  @Override
  public ConstantDoublesCube evaluate(ConstantDoublesCube cube,
      double[] xShift,
      double[] yShift,
      double[] zShift,
      double[] shift,
      String newName) {
    throw new UnsupportedOperationException();
  }
}