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.estimation.measurements;
18  
19  import org.orekit.propagation.SpacecraftState;
20  import org.orekit.propagation.sampling.OrekitFixedStepHandler;
21  import org.orekit.time.AbsoluteDate;
22  
23  import java.util.ArrayList;
24  import java.util.List;
25  
26  public abstract class MeasurementCreator implements OrekitFixedStepHandler {
27  
28      private final List<ObservedMeasurement<?>> measurements;
29  
30      protected MeasurementCreator() {
31          measurements = new ArrayList<>();
32      }
33  
34      public List<ObservedMeasurement<?>> getMeasurements() {
35          return measurements;
36      }
37  
38      public void init(final SpacecraftState s0, final AbsoluteDate t, final double step) {
39          measurements.clear();
40      }
41  
42      protected void addMeasurement(final ObservedMeasurement<?> measurement) {
43          measurements.add(measurement);
44      }
45  
46  }