1   /* Copyright 2013 Applied Defense Solutions, Inc.
2    * Licensed to CS Communication & Systèmes (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.propagation.events.handlers;
18  
19  
20  import org.hipparchus.CalculusFieldElement;
21  import org.hipparchus.ode.events.Action;
22  import org.orekit.propagation.FieldSpacecraftState;
23  import org.orekit.propagation.events.FieldEventDetector;
24  
25  
26  /**
27   * Event handler which will always return {@link Action#CONTINUE continue} as a state.
28   * @author Hank Grabowski
29   *
30   * @param <T> type of the field element
31   */
32  public class FieldContinueOnEvent <T extends CalculusFieldElement<T>> implements FieldEventHandler<T> {
33  
34      /** Empty constructor.
35       * <p>
36       * This constructor is not strictly necessary, but it prevents spurious
37       * javadoc warnings with JDK 18 and later.
38       * </p>
39       * @since 12.0
40       */
41      public FieldContinueOnEvent() {
42          // nothing to do
43      }
44  
45      /**
46       * Specific implementation of the eventOccurred interface.
47       *
48       * @param s SpaceCraft state to be used in the evaluation
49       * @param detector object with appropriate type that can be used in determining correct return state
50       * @param increasing with the event occurred in an "increasing" or "decreasing" slope direction
51       * @return {@link Action#CONTINUE continue} under all circumstances
52       */
53      @Override
54      public Action eventOccurred(final FieldSpacecraftState<T> s, final FieldEventDetector<T> detector, final boolean increasing) {
55          return Action.CONTINUE;
56      }
57  
58  }