1   /* Copyright 2002-2018 CS Systèmes d'Information
2    * Licensed to CS Systèmes d'Information (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.time;
18  
19  import java.util.List;
20  
21  import org.orekit.errors.OrekitException;
22  
23  /** Interface for loading UTC-TAI offsets data files.
24   * @author Luc Maisonobe
25   * @since 7.1
26   */
27  public interface UTCTAIOffsetsLoader {
28  
29      /** Load UTC-TAI offsets entries.
30       * @return sorted UTC-TAI offsets entries (if the linear offsets used
31       * prior to 1972 are missing, they will be inserted automatically)
32       * @exception OrekitException if time steps are inconsistent
33       */
34      List<OffsetModel> loadOffsets() throws OrekitException;
35  
36  }