001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.shared.ldap.codec.extended.operations.gracefulDisconnect;
021
022
023 import org.apache.directory.shared.asn1.ber.grammar.IGrammar;
024 import org.apache.directory.shared.asn1.ber.grammar.IStates;
025
026
027 /**
028 * This class store the GracefulDisconnect's grammar constants. It is also used
029 * for debugging purposes.
030 *
031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032 * @version $Rev: 764131 $, $Date: 2009-04-11 03:03:00 +0200 (Sam, 11 avr 2009) $,
033 */
034 public class GracefulDisconnectStatesEnum implements IStates
035 {
036 // ~ Static fields/initializers
037 // -----------------------------------------------------------------
038
039 // =========================================================================
040 // GracefulDisconnect grammar states
041 // =========================================================================
042 /** Initial state */
043 public static final int START_STATE = 0;
044
045 /** Sequence */
046 public static final int GRACEFUL_DISCONNECT_SEQUENCE_STATE = 1;
047
048 /** Time offline */
049 public static final int TIME_OFFLINE_STATE = 2;
050
051 /** Delay */
052 public static final int DELAY_STATE = 3;
053
054 /** Replicated contexts */
055 public static final int REPLICATED_CONTEXTS_STATE = 4;
056
057 /** Referral */
058 public static final int REFERRAL_STATE = 5;
059
060 /** terminal state */
061 public static final int LAST_GRACEFUL_DISCONNECT_STATE = 6;
062
063 // =========================================================================
064 // States debug strings
065 // =========================================================================
066 /** A string representation of all the states */
067 private static String[] GracefulDisconnectString = new String[]
068 {
069 "START_STATE",
070 "GRACEFUL_DISCONNECT_SEQUENCE_STATE",
071 "TIME_OFFLINE_STATE",
072 "DELAY_STATE",
073 "REPLICATED_CONTEXTS_STATE",
074 "REFERRAL_STATE"
075 };
076
077 /** The instance */
078 private static GracefulDisconnectStatesEnum instance = new GracefulDisconnectStatesEnum();
079
080
081 // ~ Constructors
082 // -------------------------------------------------------------------------------
083
084 /**
085 * This is a private constructor. This class is a singleton
086 */
087 private GracefulDisconnectStatesEnum()
088 {
089 }
090
091
092 // ~ Methods
093 // ------------------------------------------------------------------------------------
094
095 /**
096 * Get an instance of this class
097 *
098 * @return An instance on this class
099 */
100 public static IStates getInstance()
101 {
102 return instance;
103 }
104
105
106 /**
107 * Get the grammar name
108 *
109 * @param grammar The grammar code
110 * @return The grammar name
111 */
112 public String getGrammarName( int grammar )
113 {
114 return "GRACEFUL_DISCONNECT_GRAMMAR";
115 }
116
117
118 /**
119 * Get the grammar name
120 *
121 * @param grammar The grammar class
122 * @return The grammar name
123 */
124 public String getGrammarName( IGrammar grammar )
125 {
126 if ( grammar instanceof GracefulDisconnectGrammar )
127 {
128 return "GRACEFUL_DISCONNECT_GRAMMAR";
129 }
130
131 return "UNKNOWN GRAMMAR";
132 }
133
134
135 /**
136 * Get the string representing the state
137 *
138 * @param state The state number
139 * @return The String representing the state
140 */
141 public String getState( int state )
142 {
143 return ( ( state == GRAMMAR_END ) ? "GRACEFUL_DISCONNECT_END_STATE" : GracefulDisconnectString[state] );
144 }
145 }