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1   /*
2    * This file is part of ***  M y C o R e  ***
3    * See http://www.mycore.de/ for details.
4    *
5    * MyCoRe is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    *
10   * MyCoRe is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU General Public License for more details.
14   *
15   * You should have received a copy of the GNU General Public License
16   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
17   */
18  
19  package org.mycore.common.events;
20  
21  import org.mycore.common.MCRSession;
22  
23  /**
24   * 
25   * @author Thomas Scheffler (yagee)
26   * 
27   * @version $Revision$ $Date$
28   * @since 2.0
29   */
30  public class MCRSessionEvent {
31  
32      public enum Type {
33          activated, created, destroyed, passivated
34      }
35  
36      private Type type;
37  
38      private MCRSession session;
39  
40      private int concurrentAccessors;
41  
42      public MCRSessionEvent(MCRSession session, Type type, int concurrentAccessors) {
43          this.session = session;
44          this.type = type;
45          this.concurrentAccessors = concurrentAccessors;
46      }
47  
48      /**
49       * Return how many threads accessed the session at time the event occured.
50       */
51      public int getConcurrentAccessors() {
52          return concurrentAccessors;
53      }
54  
55      /**
56       * Return the MCRSession on which this event occured. 
57       */
58      public MCRSession getSession() {
59          return session;
60      }
61  
62      /**
63       * Return the event type of this event. 
64       */
65      public Type getType() {
66          return type;
67      }
68  
69      @Override
70      public String toString() {
71          return "MCRSessionEvent['" + getSession() + "'," + getType() + "," + getConcurrentAccessors() + "]'";
72      }
73  
74  }