git.mxchange.org Git - jfinancials-war.git/blob

   1 /*
   2  * Copyright (C) 2017 Roland Häder
   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.jfinancials.beans.business.opening_time;
  18
  19 import fish.payara.cdi.jsr107.impl.NamedCache;
  20 import java.util.Comparator;
  21 import java.util.Iterator;
  22 import java.util.LinkedList;
  23 import java.util.List;
  24 import javax.annotation.PostConstruct;
  25 import javax.cache.Cache;
  26 import javax.ejb.EJB;
  27 import javax.enterprise.context.RequestScoped;
  28 import javax.inject.Inject;
  29 import javax.inject.Named;
  30 import org.mxchange.jcontactsbusiness.model.opening_time.OpeningTime;
  31 import org.mxchange.jcontactsbusiness.model.opening_time.OpeningTimeSessionBeanRemote;
  32 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  33
  34 /**
  35  * A general bean for opening times
  36  * <p>
  37  * @author Roland Häder<roland@mxchange.org>
  38  */
  39 @Named ("openingTimeController")
  40 @RequestScoped
  41 public class FinancialsOpeningTimeWebRequestBean extends BaseFinancialsBean implements FinancialsOpeningTimeWebRequestController {
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 5_028_697_360_462L;
  47
  48         /**
  49          * A list of all opening times
  50          */
  51         private final List<OpeningTime> allOpeningTimes;
  52
  53         /**
  54          * A list of filtered opening times
  55          */
  56         private List<OpeningTime> filteredOpeningTimes;
  57
  58         /**
  59          * EJB for administrative purposes
  60          */
  61         @EJB (lookup = "java:global/jfinancials-ejb/openingTimes!org.mxchange.jcontactsbusiness.model.opening_time.OpeningTimeSessionBeanRemote")
  62         private OpeningTimeSessionBeanRemote openingTimesBean;
  63
  64         /**
  65          * A list of all opening times (globally)
  66          */
  67         @Inject
  68         @NamedCache (cacheName = "openingTimesCache")
  69         private Cache<Long, OpeningTime> openingTimesCache;
  70
  71         /**
  72          * Default constructor
  73          */
  74         public FinancialsOpeningTimeWebRequestBean () {
  75                 // Call super constructor
  76                 super();
  77
  78                 // Init list
  79                 this.allOpeningTimes = new LinkedList<>();
  80         }
  81
  82         @Override
  83         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
  84         public List<OpeningTime> allOpeningTimes () {
  85                 return this.allOpeningTimes;
  86         }
  87
  88         /**
  89          * Getter for a list of filtered opening times
  90          * <p>
  91          * @return Filtered opening times
  92          */
  93         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
  94         public List<OpeningTime> getFilteredOpeningTimes () {
  95                 return this.filteredOpeningTimes;
  96         }
  97
  98         /**
  99          * Setter for a list of filtered opening times
 100          * <p>
 101          * @param filteredOpeningTimes Filtered opening times
 102          */
 103         @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
 104         public void setFilteredOpeningTimes (final List<OpeningTime> filteredOpeningTimes) {
 105                 this.filteredOpeningTimes = filteredOpeningTimes;
 106         }
 107
 108         /**
 109          * Initializer method
 110          */
 111         @PostConstruct
 112         public void initializeList () {
 113                 // Is cache there?
 114                 if (!this.openingTimesCache.iterator().hasNext()) {
 115                         // Get whole list
 116                         final List<OpeningTime> list = this.openingTimesBean.allOpeningTimes();
 117
 118                         // Add all
 119                         for (final Iterator<OpeningTime> iterator = list.iterator(); iterator.hasNext();) {
 120                                 // Get next element
 121                                 final OpeningTime next = iterator.next();
 122
 123                                 // Add it to cache
 124                                 this.openingTimesCache.put(next.getOpeningId(), next);
 125                         }
 126                 }
 127
 128                 // Is the list empty, but filled cache?
 129                 if (this.allOpeningTimes.isEmpty() && this.openingTimesCache.iterator().hasNext()) {
 130                         // Get iterator
 131                         final Iterator<Cache.Entry<Long, OpeningTime>> iterator = this.openingTimesCache.iterator();
 132
 133                         // Build up list
 134                         while (iterator.hasNext()) {
 135                                 // GEt next element
 136                                 final Cache.Entry<Long, OpeningTime> next = iterator.next();
 137
 138                                 // Add to list
 139                                 this.allOpeningTimes.add(next.getValue());
 140                         }
 141
 142                         // Sort list
 143                         this.allOpeningTimes.sort(new Comparator<OpeningTime>() {
 144                                 @Override
 145                                 public int compare (final OpeningTime o1, final OpeningTime o2) {
 146                                         return o1.getOpeningId() > o2.getOpeningId() ? 1 : o1.getOpeningId() < o2.getOpeningId() ? -1 : 0;
 147                                 }
 148                         }
 149                         );
 150                 }
 151         }
 152
 153 }