/**
* Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.curve.inflation.generator;
import com.opengamma.analytics.financial.model.interestrate.curve.PriceIndexCurve;
import com.opengamma.analytics.financial.provider.description.inflation.InflationProviderInterface;
import com.opengamma.analytics.math.curve.InterpolatedDoublesCurve;
import com.opengamma.analytics.math.interpolation.Interpolator1D;
import com.opengamma.util.ArgumentChecker;
/**
* Store the details and generate the required curve. The curve is interpolated on the rate (continuously compounded).
*/
public class GeneratorPriceIndexCurveInterpolatedNode extends GeneratorPriceIndexCurve {
/**
* The nodes (times) on which the interpolated curves is constructed.
*/
private final double[] _nodePoints;
/**
* The interpolator used for the curve.
*/
private final Interpolator1D _interpolator;
/**
* The number of points (or nodes). Is the length of _nodePoints.
*/
private final int _nbPoints;
/**
* Constructor.
* @param nodePoints The node points (X) used to define the interpolated curve.
* @param interpolator The interpolator.
*/
public GeneratorPriceIndexCurveInterpolatedNode(double[] nodePoints, Interpolator1D interpolator) {
ArgumentChecker.notNull(nodePoints, "Node points");
ArgumentChecker.notNull(interpolator, "Interpolator");
_nodePoints = nodePoints;
_nbPoints = _nodePoints.length;
_interpolator = interpolator;
}
@Override
public int getNumberOfParameter() {
return _nbPoints;
}
@Override
public PriceIndexCurve generateCurve(String name, double[] parameters) {
ArgumentChecker.isTrue(parameters.length == _nbPoints, "Incorrect dimension for the price indices");
return new PriceIndexCurve(new InterpolatedDoublesCurve(_nodePoints, parameters, _interpolator, true, name));
}
@Override
public PriceIndexCurve generateCurve(String name, InflationProviderInterface inflation, double[] parameters) {
return generateCurve(name, parameters);
}
}