ChronologicalComparator.java
/* Copyright 2002-2022 CS GROUP
* 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 java.io.Serializable;
import java.util.Comparator;
/** Comparator for {@link TimeStamped} instance.
* @see AbsoluteDate
* @see TimeStamped
* @author Luc Maisonobe
*/
public class ChronologicalComparator implements Comparator<TimeStamped>, Serializable {
/** Serializable UID. */
private static final long serialVersionUID = 3092980292741000025L;
/** Simple constructor.
*/
public ChronologicalComparator() {
// nothing to do
}
/** Compare two time-stamped instances.
* @param timeStamped1 first time-stamped instance
* @param timeStamped2 second time-stamped instance
* @return a negative integer, zero, or a positive integer as the first
* instance is before, simultaneous, or after the second one.
*/
public int compare(final TimeStamped timeStamped1,
final TimeStamped timeStamped2) {
return timeStamped1.getDate().compareTo(timeStamped2.getDate());
}
}