ClockTimeScale.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;
/** Time scale with clock offset from another time scale.
* @author Luc Maisonobe
* @since 12.1
*/
public class ClockTimeScale implements TimeScale {
/** Serializable UID. */
private static final long serialVersionUID = 20240321L;
/** Name of the time scale. */
private final String name;
/** Reference time scale. */
private final TimeScale reference;
/** Clock offset model. */
private final transient ClockModel clockModel;
/** Simple constructor.
* @param name name of the time scale
* @param reference reference time scale
* @param clockModel clock offset model
*/
public ClockTimeScale(final String name,
final TimeScale reference,
final ClockModel clockModel) {
this.name = name;
this.reference = reference;
this.clockModel = clockModel;
}
/** {@inheritDoc} */
@Override
public double offsetFromTAI(final AbsoluteDate date) {
return reference.offsetFromTAI(date) + clockModel.getOffset(date).getOffset();
}
/** {@inheritDoc} */
@Override
public <T extends CalculusFieldElement<T>> T offsetFromTAI(final FieldAbsoluteDate<T> date) {
return reference.offsetFromTAI(date).add(clockModel.getOffset(date).getOffset());
}
/** {@inheritDoc} */
@Override
public String getName() {
return name;
}
}