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.branchoffice;
  18
  19 import fish.payara.cdi.jsr107.impl.NamedCache;
  20 import java.text.MessageFormat;
  21 import java.util.Comparator;
  22 import java.util.Iterator;
  23 import java.util.LinkedList;
  24 import java.util.List;
  25 import java.util.Objects;
  26 import javax.annotation.PostConstruct;
  27 import javax.cache.Cache;
  28 import javax.ejb.EJB;
  29 import javax.enterprise.context.RequestScoped;
  30 import javax.enterprise.event.Observes;
  31 import javax.inject.Inject;
  32 import javax.inject.Named;
  33 import org.mxchange.jcontactsbusiness.events.branchoffice.added.ObservableBranchOfficeAddedEvent;
  34 import org.mxchange.jcontactsbusiness.exceptions.branchoffice.BranchOfficeNotFoundException;
  35 import org.mxchange.jcontactsbusiness.model.branchoffice.BranchOffice;
  36 import org.mxchange.jcontactsbusiness.model.branchoffice.BranchOfficeSessionBeanRemote;
  37 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  38
  39 /**
  40  * A general bean for branch offices
  41  * <p>
  42  * @author Roland Häder<roland@mxchange.org>
  43  */
  44 @Named ("branchOfficeController")
  45 @RequestScoped
  46 public class FinancialsBranchOfficeWebRequestBean extends BaseFinancialsBean implements FinancialsBranchOfficeWebRequestController {
  47
  48         /**
  49          * Serial number
  50          */
  51         private static final long serialVersionUID = 5_028_697_360_461L;
  52
  53         /**
  54          * A list of all branch offices
  55          */
  56         private final List<BranchOffice> allBranchOffices;
  57
  58         /**
  59          * EJB for administrative purposes
  60          */
  61         @EJB (lookup = "java:global/jfinancials-ejb/branchOffice!org.mxchange.jcontactsbusiness.model.branchoffice.BranchOfficeSessionBeanRemote")
  62         private BranchOfficeSessionBeanRemote branchOfficeBean;
  63
  64         /**
  65          * A list of all branch offices (globally)
  66          */
  67         @Inject
  68         @NamedCache (cacheName = "branchOfficeCache")
  69         private Cache<Long, BranchOffice> branchOfficeCache;
  70
  71         /**
  72          * A list of filtered branch offices
  73          */
  74         private List<BranchOffice> filteredBranchOffices;
  75
  76         /**
  77          * Default constructor
  78          */
  79         public FinancialsBranchOfficeWebRequestBean () {
  80                 // Call super constructor
  81                 super();
  82
  83                 // Init list
  84                 this.allBranchOffices = new LinkedList<>();
  85         }
  86
  87         /**
  88          * Observes events being fired when a branch office has been added.
  89          * <p>
  90          * @param event Event being fired
  91          * <p>
  92          * @throws NullPointerException If the parameter or it's carried instance is
  93          * null
  94          * @throws IllegalArgumentException If the branchId is zero or lower
  95          */
  96         public void afterBranchOfficeAddedEvent (@Observes final ObservableBranchOfficeAddedEvent event) {
  97                 // Validate parameter
  98                 if (null == event) {
  99                         // Throw NPE
 100                         throw new NullPointerException("event is null"); //NOI18N
 101                 } else if (event.getBranchOffice() == null) {
 102                         // Throw NPE again
 103                         throw new NullPointerException("event.branchOffice is null"); //NOI18N
 104                 } else if (event.getBranchOffice().getBranchId() == null) {
 105                         // Throw it again
 106                         throw new NullPointerException("event.branchOffice.branchId is null"); //NOI18N
 107                 } else if (event.getBranchOffice().getBranchId() < 1) {
 108                         // Throw IAE
 109                         throw new IllegalArgumentException(MessageFormat.format("event.branchOffice.branchId={0} is not valid", event.getBranchOffice().getBranchId())); //NOI18N
 110                 }
 111
 112                 // Add instance to cache
 113                 this.branchOfficeCache.put(event.getBranchOffice().getBranchId(), event.getBranchOffice());
 114                 this.allBranchOffices.add(event.getBranchOffice());
 115         }
 116
 117         @Override
 118         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
 119         public List<BranchOffice> allBranchOffices () {
 120                 return this.allBranchOffices;
 121         }
 122
 123         @Override
 124         public BranchOffice findBranchOfficeById (final Long branchOfficeId) throws BranchOfficeNotFoundException {
 125                 // Validate parameter
 126                 if (null == branchOfficeId) {
 127                         // Throw NPE
 128                         throw new NullPointerException("branchOfficeId is null"); //NOI18N
 129                 } else if (branchOfficeId < 1) {
 130                         // Throw IAE
 131                         throw new IllegalArgumentException(MessageFormat.format("branchOfficeId={0} is invalid", branchOfficeId)); //NOI18N
 132                 } else if (!this.branchOfficeCache.containsKey(branchOfficeId)) {
 133                         // Not found
 134                         throw new BranchOfficeNotFoundException(branchOfficeId);
 135                 }
 136
 137                 // Get it from cache
 138                 final BranchOffice branchOffice = this.branchOfficeCache.get(branchOfficeId);
 139
 140                 // Return it
 141                 return branchOffice;
 142         }
 143
 144         /**
 145          * Getter for a list of filtered branch offices
 146          * <p>
 147          * @return Filtered branch offices
 148          */
 149         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
 150         public List<BranchOffice> getFilteredBranchOffices () {
 151                 return this.filteredBranchOffices;
 152         }
 153
 154         /**
 155          * Setter for a list of filtered branch offices
 156          * <p>
 157          * @param filteredBranchOffices Filtered branch offices
 158          */
 159         @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
 160         public void setFilteredBranchOffices (final List<BranchOffice> filteredBranchOffices) {
 161                 this.filteredBranchOffices = filteredBranchOffices;
 162         }
 163
 164         /**
 165          * Initializer method
 166          */
 167         @PostConstruct
 168         public void initializeList () {
 169                 // Is cache there?
 170                 if (!this.branchOfficeCache.iterator().hasNext()) {
 171                         // Get whole list
 172                         final List<BranchOffice> branchOffices = this.branchOfficeBean.allBranchOffices();
 173
 174                         // Add all
 175                         for (final BranchOffice branchOffice : branchOffices) {
 176                                 // Add it to cache
 177                                 this.branchOfficeCache.put(branchOffice.getBranchId(), branchOffice);
 178                         }
 179                 }
 180
 181                 // Is the list empty, but filled cache?
 182                 if (this.allBranchOffices.isEmpty() && this.branchOfficeCache.iterator().hasNext()) {
 183                         // Get iterator
 184                         final Iterator<Cache.Entry<Long, BranchOffice>> iterator = this.branchOfficeCache.iterator();
 185
 186                         // Build up list
 187                         while (iterator.hasNext()) {
 188                                 // GEt next element
 189                                 final Cache.Entry<Long, BranchOffice> next = iterator.next();
 190
 191                                 // Add to list
 192                                 this.allBranchOffices.add(next.getValue());
 193                         }
 194
 195                         // Sort list
 196                         this.allBranchOffices.sort(new Comparator<BranchOffice>() {
 197                                 @Override
 198                                 public int compare (final BranchOffice o1, final BranchOffice o2) {
 199                                         return o1.getBranchId() > o2.getBranchId() ? 1 : o1.getBranchId() < o2.getBranchId() ? -1 : 0;
 200                                 }
 201                         });
 202                 }
 203         }
 204
 205         @Override
 206         public Boolean isEmailAddressRegistered (final String emailAddress) {
 207                 // Default is not found
 208                 boolean isFound = false;
 209
 210                 // Check all entries
 211                 for (final BranchOffice branchOffice : this.allBranchOffices()) {
 212                         // Is email address used?
 213                         if (Objects.equals(branchOffice.getBranchEmailAddress(), emailAddress)) {
 214                                 // Found it
 215                                 isFound = true;
 216                                 break;
 217                         }
 218                 }
 219
 220                 // Return flag
 221                 return isFound;
 222         }
 223
 224 }