PerfectClockModel.java
/* Copyright 2002-2024 Thales Alenia Space
* Licensed to CS GROUP (CS) under one or more
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.orekit.time;
import org.hipparchus.CalculusFieldElement;
/** Clock model for perfect clock with constant zero offset.
* @author Luc Maisonobe
* @since 12.1
*/
public class PerfectClockModel implements ClockModel {
/** {@inheritDoc} */
@Override
public AbsoluteDate getValidityStart() {
return AbsoluteDate.PAST_INFINITY;
}
/** {@inheritDoc} */
@Override
public AbsoluteDate getValidityEnd() {
return AbsoluteDate.FUTURE_INFINITY;
}
/** {@inheritDoc} */
@Override
public ClockOffset getOffset(final AbsoluteDate date) {
return new ClockOffset(date, 0, 0, 0);
}
/** {@inheritDoc} */
@Override
public <T extends CalculusFieldElement<T>> FieldClockOffset<T> getOffset(final FieldAbsoluteDate<T> date) {
final T zero = date.getField().getZero();
return new FieldClockOffset<>(date, zero, zero, zero);
}
}