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20 package org.apache.directory.server.core.event;
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22 import java.util.ArrayList;
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24 import org.apache.directory.shared.ldap.message.PersistentSearchControl;
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36 public enum EventType
37 {
38 ADD(1), DELETE(2), MODIFY(4), RENAME(8), MOVE(16);
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40
41 public static final int ALL_EVENT_TYPES_MASK = getAllEventTypesMask();
42 public static final int MOVE_OR_RENAME_MASK = MOVE.mask | RENAME.mask;
43 private static final EventType[] EMPTY_EVENT_ARRAY = new EventType[0];
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45 private int mask;
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47
48 private EventType( int mask )
49 {
50 this.mask = mask;
51 }
52
53
54 public int getMask()
55 {
56 return mask;
57 }
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78 public static EventType[] getEventTypes( int psearchChangeTypes )
79 {
80 ArrayList<EventType> types = new ArrayList<EventType>();
81
82 if ( isAdd( psearchChangeTypes ) )
83 {
84 types.add( ADD );
85 }
86
87 if ( isDelete( psearchChangeTypes ) )
88 {
89 types.add( DELETE );
90 }
91
92 if ( isModify( psearchChangeTypes ) )
93 {
94 types.add( MODIFY );
95 }
96
97 if ( ( psearchChangeTypes & 8 ) > 0 )
98 {
99 types.add( MOVE );
100 types.add( RENAME );
101 }
102
103 return types.toArray( EMPTY_EVENT_ARRAY );
104 }
105
106
107 private static int getAllEventTypesMask()
108 {
109 int allTypes = 0;
110
111 for ( EventType type : values() )
112 {
113 allTypes |= type.getMask();
114 }
115
116 return allTypes;
117 }
118
119
120 public static boolean isAdd( int mask )
121 {
122 if ( ( mask & ADD.mask ) > 0 )
123 {
124 return true;
125 }
126
127 return false;
128 }
129
130
131 public static boolean isDelete( int mask )
132 {
133 if ( ( mask & DELETE.mask ) > 0 )
134 {
135 return true;
136 }
137
138 return false;
139 }
140
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142 public static boolean isModify( int mask )
143 {
144 if ( ( mask & MODIFY.mask ) > 0 )
145 {
146 return true;
147 }
148
149 return false;
150 }
151
152
153 public static boolean isMove( int mask )
154 {
155 if ( ( mask & MOVE.mask ) > 0 )
156 {
157 return true;
158 }
159
160 return false;
161 }
162
163
164 public static boolean isRename( int mask )
165 {
166 if ( ( mask & RENAME.mask ) > 0 )
167 {
168 return true;
169 }
170
171 return false;
172 }
173
174
175 public static boolean isMoveAndRename( int mask )
176 {
177 if ( ( mask & MOVE_OR_RENAME_MASK ) > 0 )
178 {
179 return true;
180 }
181
182 return false;
183 }
184
185
186 public static int getMask( EventType ...eventTypes )
187 {
188 int mask = 0;
189
190 for ( EventType type : eventTypes )
191 {
192 mask |= type.getMask();
193 }
194
195 return mask;
196 }
197 }