com.opengamma.analytics.math.surface.ConstantSurfaceAdditiveShiftFunction.java Source code

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Here is the source code for com.opengamma.analytics.math.surface.ConstantSurfaceAdditiveShiftFunction.java

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

import org.apache.commons.lang.Validate;

/**
 * Shifts a {@link ConstantDoublesSurface}. Only parallel shifts of the surface are supported.
 */
public class ConstantSurfaceAdditiveShiftFunction implements SurfaceShiftFunction<ConstantDoublesSurface> {

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

    /**
     * {@inheritDoc}
     */
    @Override
    public ConstantDoublesSurface evaluate(final ConstantDoublesSurface surface, final double shift,
            final String newName) {
        Validate.notNull(surface, "surface");
        final double z = surface.getZValue(0., 0.);
        return ConstantDoublesSurface.from(z + shift, newName);
    }

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

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

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

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

}