ExtendedPVCoordinatesProvider.java
/* Copyright 2002-2022 CS GROUP
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* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.orekit.utils;
import org.hipparchus.Field;
import org.hipparchus.CalculusFieldElement;
import org.orekit.frames.Frame;
import org.orekit.time.FieldAbsoluteDate;
/**
** Interface for PV coordinates providers that also support fields.
* @since 9.2
* @author Luc Maisonobe
*/
public interface ExtendedPVCoordinatesProvider extends PVCoordinatesProvider {
/** Convert to a {@link FieldPVCoordinatesProvider} with a specific type.
* @param <T> the type of the field elements
* @param field field for the argument and value
* @return converted function
*/
default <T extends CalculusFieldElement<T>> FieldPVCoordinatesProvider<T> toFieldPVCoordinatesProvider(Field<T> field) {
return this::getPVCoordinates;
}
/** Get the {@link FieldPVCoordinates} of the body in the selected frame.
* @param date current date
* @param frame the frame where to define the position
* @param <T> type for the field elements
* @return time-stamped position/velocity of the body (m and m/s)
*/
<T extends CalculusFieldElement<T>>TimeStampedFieldPVCoordinates<T> getPVCoordinates(FieldAbsoluteDate<T> date,
Frame frame);
}