001    /**
002     * 
003     * $Revision: 15200 $ $Date: 2009-05-15 16:47:58 +0200 (Fri, 15 May 2009) $
004     *
005     * This file is part of ** M y C o R e **
006     * Visit our homepage at http://www.mycore.de/ for details.
007     *
008     * This program is free software; you can use it, redistribute it
009     * and / or modify it under the terms of the GNU General Public License
010     * (GPL) as published by the Free Software Foundation; either version 2
011     * of the License or (at your option) any later version.
012     *
013     * This program is distributed in the hope that it will be useful, but
014     * WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016     * GNU General Public License for more details.
017     *
018     * You should have received a copy of the GNU General Public License
019     * along with this program, normally in the file license.txt.
020     * If not, write to the Free Software Foundation Inc.,
021     * 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
022     *
023     **/
024    package org.mycore.common.events;
025    
026    import org.mycore.common.MCRSession;
027    
028    /**
029     * 
030     * @author Thomas Scheffler (yagee)
031     * 
032     * @version $Revision: 15200 $ $Date: 2009-05-15 16:47:58 +0200 (Fri, 15 May 2009) $
033     * @since 2.0
034     */
035    public class MCRSessionEvent {
036    
037        public static enum Type {
038            activated, created, destroyed, passivated;
039        }
040    
041        private Type type;
042    
043        private MCRSession session;
044        
045        private int concurrentAccessors;
046    
047        public MCRSessionEvent(MCRSession session, Type type, int concurrentAccessors) {
048            this.session = session;
049            this.type = type;
050            this.concurrentAccessors = concurrentAccessors;
051        }
052    
053        /**
054         * Return how many threads accessed the session at time the event occured.
055         */
056        public int getConcurrentAccessors() {
057            return concurrentAccessors;
058        }
059    
060        /**
061         * Return the MCRSession on which this event occured. 
062         */
063        public MCRSession getSession() {
064            return session;
065        }
066    
067        /**
068         * Return the event type of this event. 
069         */
070        public Type getType() {
071            return type;
072        }
073    
074        public String toString() {
075            StringBuilder sb=new StringBuilder();
076            sb.append("MCRSessionEvent['");
077            sb.append(getSession());
078            sb.append("',");
079            sb.append(getType());
080            sb.append(",");
081            sb.append(getConcurrentAccessors());
082            sb.append("]'");
083            return sb.toString();
084        }
085    
086    }