src/java/org/mxchange/jjobs/beans/user/activity/JobsUserActivityWebApplicationBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder<rhaeder@cho-time.de>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jjobs.beans.user.activity;
  18
  19 import java.util.LinkedHashMap;
  20 import java.util.LinkedList;
  21 import java.util.List;
  22 import java.util.Map;
  23 import javax.annotation.PostConstruct;
  24 import javax.enterprise.context.ApplicationScoped;
  25 import javax.faces.view.facelets.FaceletException;
  26 import javax.inject.Named;
  27 import javax.naming.Context;
  28 import javax.naming.InitialContext;
  29 import javax.naming.NamingException;
  30 import org.mxchange.jjobs.beans.BaseJobsController;
  31 import org.mxchange.jusercore.model.user.User;
  32 import org.mxchange.jusercore.model.user.activity.LogableUserActivity;
  33 import org.mxchange.jusercore.model.user.activity.UserActivityLogSessionBeanRemote;
  34
  35 /**
  36  * A controller (bean) for user activity log
  37  * <p>
  38  * @author Roland Haeder<rhaeder@cho-time.de>
  39  */
  40 @Named ("userActivityController")
  41 @ApplicationScoped
  42 public class JobsUserActivityWebApplicationBean extends BaseJobsController implements JobsUserActivityWebApplicationController {
  43
  44         /**
  45          * Serial number
  46          */
  47         private static final long serialVersionUID = 192_586_376_717_856_904L;
  48
  49         /**
  50          * EJB for user activity log
  51          */
  52         private UserActivityLogSessionBeanRemote userActivityBean;
  53
  54         /**
  55          * "Cache" for activity log per user
  56          */
  57         private final Map<User, List<LogableUserActivity>> usersActivity;
  58
  59         /**
  60          * Default constructor
  61          */
  62         @SuppressWarnings ("CollectionWithoutInitialCapacity")
  63         public JobsUserActivityWebApplicationBean () {
  64                 // Try to get EJB instance
  65                 try {
  66                         // Get initial context
  67                         Context context = new InitialContext();
  68
  69                         // Try to lookup
  70                         this.userActivityBean = (UserActivityLogSessionBeanRemote) context.lookup("java:global/jlandingpage-ejb/userActivity!org.mxchange.jusercore.model.user.activity.UserActivityLogSessionBeanRemote"); //NOI18N
  71                 } catch (final NamingException e) {
  72                         // Throw again
  73                         throw new FaceletException(e);
  74                 }
  75
  76                 // Init cache
  77                 this.usersActivity = new LinkedHashMap<>();
  78         }
  79
  80         /**
  81          * Post-constructor method
  82          */
  83         @PostConstruct
  84         public void init () {
  85                 // Get whole list
  86                 List<LogableUserActivity> list = this.userActivityBean.fetchAllUserActivityLog();
  87
  88                 // Put all in map, per-user
  89                 for (final LogableUserActivity userActivity : list) {
  90                         // Is the list there?
  91                         if (!this.usersActivity.containsKey(userActivity.getActivityUser())) {
  92                                 // Init list
  93                                 this.usersActivity.put(userActivity.getActivityUser(), new LinkedList<LogableUserActivity>());
  94                         }
  95
  96                         // Add by user instance
  97                         boolean added = this.usersActivity.get(userActivity.getActivityUser()).add(userActivity);
  98
  99                         // Should be added
 100                         assert(added) : "Activity log not added"; //NOI18N
 101                 }
 102         }
 103
 104 }