1   /* Copyright 2022-2026 Romain Serra
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.control.indirect.adjoint.cost;
18  
19  import org.orekit.propagation.events.functions.EventFunction;
20  
21  /**
22   * Abstract class for event function representing a control switch.
23   * @author Romain Serra
24   * @since 14.0
25   */
26  public abstract class ControlSwitchFunction implements EventFunction {
27  
28      /** Simple constructor. */
29      protected ControlSwitchFunction() {
30          // nothing to do
31      }
32  
33      @Override
34      public boolean dependsOnMainVariablesOnly() {
35          return false;
36      }
37  }