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.estimation.measurements.modifiers;
18  
19  import java.util.List;
20  
21  import org.orekit.estimation.measurements.EstimatedMeasurement;
22  import org.orekit.estimation.measurements.EstimationModifier;
23  import org.orekit.estimation.measurements.gnss.Phase;
24  import org.orekit.utils.ParameterDriver;
25  
26  /** Class modifying theoretical phase measurement with ambiguity.
27   *
28   * @author Luc Maisonobe
29   * @since 9.2
30   */
31  public class PhaseAmbiguityModifier extends AbstractAmbiguityModifier implements EstimationModifier<Phase> {
32  
33      /** Constructor.
34       * <p>
35       * It is expected that many different ambiguities will be used at the
36       * same time during an orbit determination, therefore they are keyed
37       * using a simple integer. All ambiguities using the same key will
38       * be enforced to be equal. It is the responsibility of the caller to
39       * use a proper counter to manage the ambiguities properly.
40       * </p>
41       * @param key key to identify the ambiguity
42       * @param ambiguity initial value of ambiguity
43       */
44      public PhaseAmbiguityModifier(final int key, final double ambiguity) {
45          super(key, ambiguity);
46      }
47  
48      /** {@inheritDoc} */
49      @Override
50      public List<ParameterDriver> getParametersDrivers() {
51          return getDrivers();
52      }
53  
54      @Override
55      public void modify(final EstimatedMeasurement<Phase> estimated) {
56          doModify(estimated);
57      }
58  
59  }