AdamsMoultonIntegratorBuilder.java

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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.orekit.propagation.conversion;

import org.hipparchus.ode.nonstiff.AdamsMoultonIntegrator;
import org.orekit.propagation.ToleranceProvider;

/** Builder for AdamsMoultonIntegrator.
 * @author Pascal Parraud
 * @since 6.0
 */
public class AdamsMoultonIntegratorBuilder extends AbstractVariableStepIntegratorBuilder {

    /** Number of steps. */
    private final int nSteps;

    /** Build a new instance using default integration tolerances.
     * @param nSteps number of steps
     * @param minStep minimum step size (s)
     * @param maxStep maximum step size (s)
     * @param dP position error (m)
     * @see AdamsMoultonIntegrator
     */
    public AdamsMoultonIntegratorBuilder(final int nSteps, final double minStep,
                                         final double maxStep, final double dP) {
        this(nSteps, minStep, maxStep, getDefaultToleranceProvider(dP));
    }

    /** Build a new instance using default integration tolerances.
     * @param nSteps number of steps
     * @param minStep minimum step size (s)
     * @param maxStep maximum step size (s)
     * @param toleranceProvider integration tolerance provider
     * @see AdamsMoultonIntegrator
     * @since 13.0
     */
    public AdamsMoultonIntegratorBuilder(final int nSteps, final double minStep,
                                         final double maxStep, final ToleranceProvider toleranceProvider) {
        super(minStep, maxStep, toleranceProvider);
        this.nSteps  = nSteps;
    }

    /** {@inheritDoc} */
    @Override
    protected AdamsMoultonIntegrator buildIntegrator(final double[][] tolerances) {
        return new AdamsMoultonIntegrator(nSteps, getMinStep(), getMaxStep(), tolerances[0], tolerances[1]);
    }

}