1   /* Copyright 2002-2025 CS GROUP
2    * Licensed to CS GROUP (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.files.ccsds.ndm.adm.aem;
18  
19  import java.util.Collections;
20  import java.util.List;
21  
22  import org.orekit.files.general.AttitudeEphemerisFile;
23  import org.orekit.time.AbsoluteDate;
24  import org.orekit.utils.TimeStampedAngularCoordinates;
25  
26  /** AEM ephemeris blocks for a single satellite.
27   * @author Bryan Cazabonne
28   */
29  public class AemSatelliteEphemeris
30      implements AttitudeEphemerisFile.SatelliteAttitudeEphemeris<TimeStampedAngularCoordinates, AemSegment> {
31  
32      /** ID of the satellite. */
33      private final String id;
34  
35      /** The attitude ephemeris data for the satellite. */
36      private final List<AemSegment> blocks;
37  
38      /**
39       * Create a container for the set of ephemeris blocks in the file that pertain to
40       * a single satellite.
41       * @param id     of the satellite.
42       * @param blocks containing ephemeris data for the satellite.
43       * @since 10.3
44       */
45      public AemSatelliteEphemeris(final String id, final List<AemSegment> blocks) {
46          this.id = id;
47          this.blocks = blocks;
48      }
49  
50      /** {@inheritDoc} */
51      @Override
52      public String getId() {
53          return this.id;
54      }
55  
56      /** {@inheritDoc} */
57      @Override
58      public List<AemSegment> getSegments() {
59          return Collections.unmodifiableList(blocks);
60      }
61  
62      /** {@inheritDoc} */
63      @Override
64      public AbsoluteDate getStart() {
65          return blocks.get(0).getStart();
66      }
67  
68      /** {@inheritDoc} */
69      @Override
70      public AbsoluteDate getStop() {
71          return blocks.get(blocks.size() - 1).getStop();
72      }
73  
74  }