1   /* Copyright 2002-2019 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.gnss;
18  
19  import java.util.Collections;
20  import java.util.List;
21  
22  import org.orekit.time.AbsoluteDate;
23  import org.orekit.time.TimeStamped;
24  
25  
26  /** Observation Data set.
27   * @since 9.2
28   */
29  public class ObservationDataSet implements TimeStamped {
30  
31      /** Rinex header associated with this data set. */
32      private final RinexHeader header;
33  
34      /** Satellite System. */
35      private final SatelliteSystem satelliteSystem;
36  
37      /** PRN Number of the satellite observed. */
38      private final int prnNumber;
39  
40      /** Date of the observation. */
41      private final AbsoluteDate tObs;
42  
43      /** List of Observation data. */
44      private final List<ObservationData> observationData;
45  
46      /** Receiver clock offset (seconds). */
47      private final double rcvrClkOffset;
48  
49      /**
50       * Simple constructor.
51       * @param header Rinex header associated with this data set
52       * @param satelliteSystem Satellite system
53       * @param prnNumber PRN number
54       * @param tObs Observation date
55       * @param rcvrClkOffset Receiver clock offset (optional, 0 by default)
56       * @param observationData List of observation data
57       */
58      public ObservationDataSet(final RinexHeader header, final SatelliteSystem satelliteSystem,
59                                final int prnNumber, final AbsoluteDate tObs,
60                                final double rcvrClkOffset, final List<ObservationData> observationData) {
61          this.header          = header;
62          this.satelliteSystem = satelliteSystem;
63          this.prnNumber       = prnNumber;
64          this.tObs            = tObs;
65          this.observationData = observationData;
66          this.rcvrClkOffset   = rcvrClkOffset;
67      }
68  
69      /** Get the Rinex header associated with this data set.
70       * @return Rinex header associated with this data set
71       * @since 9.3
72       */
73      public RinexHeader getHeader() {
74          return header;
75      }
76  
77      /** Get Satellite System.
78       * @return satellite system of observed satellite
79       */
80      public SatelliteSystem getSatelliteSystem() {
81          return satelliteSystem;
82      }
83  
84      /** Get PRN number.
85       * @return PRN number of the observed satellite
86       */
87      public int getPrnNumber() {
88          return prnNumber;
89      }
90  
91      /** {@inheritDoc} */
92      @Override
93      public AbsoluteDate getDate() {
94          return tObs;
95      }
96  
97      /** Get list of observation data.
98       * @return unmodifiable view of of observation data for the observed satellite
99       */
100     public List<ObservationData> getObservationData() {
101         return Collections.unmodifiableList(observationData);
102     }
103 
104     /** Get receiver clock offset.
105      * @return receiver clock offset (it is optional, may be 0)
106      */
107     public double getRcvrClkOffset() {
108         return rcvrClkOffset;
109     }
110 
111 }