EOPOrigin.java

/* Copyright 2022-2026 Luc Maisonobe
 * 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.frames;

import org.orekit.time.DateComponents;

import java.util.Comparator;

/** Container for EOP entry.
 * @param publicationDate publication date
 * @param fileName        name of the file origin
 * @since 14.0
 * @author Luc Maisonobe
 */
public record EOPOrigin(DateComponents publicationDate, String fileName) implements Comparable<EOPOrigin> {

    /** Internal comparator. */
    private static final Comparator<EOPOrigin> COMPARATOR =
        Comparator.comparing(EOPOrigin::publicationDate).thenComparing(EOPOrigin::fileName);

    /** {@inheritDoc} */
    @Override
    public int compareTo(final EOPOrigin eopOrigin) {
        return COMPARATOR.compare(this, eopOrigin);
    }

}