1   /* Copyright 2002-2021 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.frames;
18  
19  import org.orekit.time.TimeScale;
20  
21  /** Specific version of International Terrestrial Reference Frame.
22   * <p>
23   * This class represents an ITRF with a specific version, regardless of
24   * the version of the underlying {@link EOPEntry Earth Orientation Parameters}.
25   * </p>
26   * @author Luc Maisonobe
27   * @since 9.2
28   */
29  public class VersionedITRF extends Frame {
30  
31      /** Serializable UID. */
32      private static final long serialVersionUID = 20180403L;
33  
34      /** Simple constructor.
35       * @param parent parent frame (must be non-null)
36       * @param version ITRF version this provider should generate
37       * @param rawProvider raw ITRF provider
38       * @param name name of the frame
39       * @param tt TT time scale.
40       * @exception IllegalArgumentException if the parent frame is null
41       */
42      VersionedITRF(final Frame parent, final ITRFVersion version,
43                    final ITRFProvider rawProvider, final String name, final TimeScale tt)
44          throws IllegalArgumentException {
45          super(parent, new VersionedITRFProvider(version, rawProvider, tt), name);
46      }
47  
48      /** Get the ITRF version.
49       * @return ITRF version
50       */
51      public ITRFVersion getITRFVersion() {
52          return ((VersionedITRFProvider) getTransformProvider()).getITRFVersion();
53      }
54  
55  }