1   /* Copyright 2022-2025 Luc Maisonobe
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.generation;
18  
19  import org.orekit.estimation.measurements.EstimatedMeasurementBase;
20  import org.orekit.time.AbsoluteDate;
21  
22  
23  /** Interface for subscribing to generated {@link EstimatedMeasurementBase measurements} events.
24   * @author Luc Maisonobe
25   * @since 12.0
26   */
27  public interface GeneratedMeasurementSubscriber {
28  
29      /** Initialize subscriber at the start of a measurements generation.
30       * <p>
31       * This method is called once at the start of the measurements generation. It
32       * may be used by the subscriber to initialize some internal data
33       * if needed.
34       * </p>
35       * @param start start of the measurements time span
36       * @param end end of the measurements time span
37       */
38      void init(AbsoluteDate start, AbsoluteDate end);
39  
40      /** Handle a generated measurement.
41       * @param measurement measurements that has just been generated
42       */
43      void handleGeneratedMeasurement(EstimatedMeasurementBase<?> measurement);
44  
45  }