ClassicalRungeKuttaIntegratorBuilder.java

  1. /* Copyright 2002-2013 CS Systèmes d'Information
  2.  * Licensed to CS Systèmes d'Information (CS) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * CS licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *   http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.orekit.propagation.conversion;

  18. import org.apache.commons.math3.ode.AbstractIntegrator;
  19. import org.apache.commons.math3.ode.nonstiff.ClassicalRungeKuttaIntegrator;
  20. import org.orekit.orbits.Orbit;

  21. /** Builder for ClassicalRungeKuttaIntegrator.
  22.  * @author Pascal Parraud
  23.  * @since 6.0
  24.  */
  25. public class ClassicalRungeKuttaIntegratorBuilder implements FirstOrderIntegratorBuilder {

  26.     /** Step size (s). */
  27.     private final double step;

  28.     /** Build a new instance.
  29.      * @param step step size (s)
  30.      * @see ClassicalRungeKuttaIntegrator
  31.      */
  32.     public ClassicalRungeKuttaIntegratorBuilder(final double step) {
  33.         this.step = step;
  34.     }

  35.     /** {@inheritDoc} */
  36.     public AbstractIntegrator buildIntegrator(final Orbit orbit) {
  37.         return new ClassicalRungeKuttaIntegrator(step);
  38.     }

  39. }