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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.directory.api.ldap.codec.controls.search.entryChange;
21  
22  
23  import org.apache.directory.api.asn1.ber.grammar.States;
24  
25  
26  /**
27   * This class store the EntryChangeControl's grammar constants. It is also used
28   * for debugging purposes.
29   * 
30   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
31   */
32  public enum EntryChangeStates implements States
33  {
34      // ~ Static fields/initializers
35      // -----------------------------------------------------------------
36  
37      /** The END_STATE */
38      END_STATE,
39  
40      // =========================================================================
41      // Entry change control grammar states
42      // =========================================================================
43  
44      /** Sequence Tag */
45      START_STATE,
46  
47      /** Sequence */
48      EC_SEQUENCE_STATE,
49  
50      /** changeType */
51      CHANGE_TYPE_STATE,
52  
53      /** previousDN */
54      PREVIOUS_DN_STATE,
55  
56      /** changeNumber */
57      CHANGE_NUMBER_STATE,
58  
59      /** terminal state */
60      LAST_EC_STATE;
61  
62      /**
63       * Get the grammar name
64       * 
65       * @return The grammar name
66       */
67      public String getGrammarName()
68      {
69          return "EC_GRAMMAR";
70      }
71  
72  
73      /**
74       * Get the string representing the state
75       * 
76       * @param state The state number
77       * @return The String representing the state
78       */
79      public String getState( int state )
80      {
81          return ( state == END_STATE.ordinal() ) ? "EC_END_STATE" : name();
82      }
83  
84  
85      /**
86       * {@inheritDoc}
87       */
88      @Override
89      public boolean isEndState()
90      {
91          return this == END_STATE;
92      }
93  
94  
95      /**
96       * {@inheritDoc}
97       */
98      @Override
99      public EntryChangeStates getStartState()
100     {
101         return START_STATE;
102     }
103 }