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1   /*
2    * Metis: Java Data Framework
3    * Copyright 2012-2026. Tony Washer
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
6    * use this file except in compliance with the License.  You may obtain a copy
7    * 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, WITHOUT
13   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
14   * License for the specific language governing permissions and limitations under
15   * the License.
16   */
17  package io.github.tonywasher.joceanus.metis.field;
18  
19  /**
20   * Enumeration of FieldSet states.
21   *
22   * @author Tony Washer
23   */
24  public enum MetisFieldState {
25      /**
26       * Normal state.
27       */
28      NORMAL,
29  
30      /**
31       * Changed state.
32       */
33      CHANGED,
34  
35      /**
36       * New state.
37       */
38      NEW,
39  
40      /**
41       * Deleted state.
42       */
43      DELETED,
44  
45      /**
46       * Restored state.
47       */
48      RESTORED,
49  
50      /**
51       * Error state.
52       */
53      ERROR;
54  
55      /**
56       * Is the state in error?
57       *
58       * @return true/false
59       */
60      public boolean isError() {
61          return this == ERROR;
62      }
63  
64      /**
65       * Is the state changed?
66       *
67       * @return true/false
68       */
69      public boolean isChanged() {
70          switch (this) {
71              case CHANGED:
72              case NEW:
73              case RESTORED:
74              case ERROR:
75                  return true;
76              default:
77                  return false;
78          }
79      }
80  }