1   /* Copyright 2022-2025 Romain Serra
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  
18  package org.orekit.utils;
19  
20  import org.hipparchus.geometry.euclidean.threed.Vector3D;
21  import org.orekit.frames.Frame;
22  import org.orekit.time.AbsoluteDate;
23  import org.orekit.time.TimeInterval;
24  
25  /**
26   * Interface for bounded PV coordinates providers.
27   *
28   * @author Romain Serra
29   * @since 13.1
30   * @see PVCoordinatesProvider
31   */
32  public interface BoundedPVCoordinatesProvider extends PVCoordinatesProvider {
33  
34      /** Get the first date of the range.
35       * @return the first date of the range
36       */
37      AbsoluteDate getMinDate();
38  
39      /** Get the last date of the range.
40       * @return the last date of the range
41       */
42      AbsoluteDate getMaxDate();
43  
44      /**
45       * Bound a given coordinates provider.
46       * @param interval time interval
47       * @param provider input provider
48       * @return bounded provider
49       */
50      static BoundedPVCoordinatesProvider of( final PVCoordinatesProvider provider, final TimeInterval interval) {
51          return new BoundedPVCoordinatesProvider() {
52              @Override
53              public TimeStampedPVCoordinates getPVCoordinates(final AbsoluteDate date, final Frame frame) {
54                  return provider.getPVCoordinates(date, frame);
55              }
56  
57              @Override
58              public Vector3D getPosition(final AbsoluteDate date, final Frame frame) {
59                  return provider.getPosition(date, frame);
60              }
61  
62              @Override
63              public AbsoluteDate getMinDate() {
64                  return interval.getStartDate();
65              }
66  
67              @Override
68              public AbsoluteDate getMaxDate() {
69                  return interval.getEndDate();
70              }
71          };
72      }
73  }