2 * Copyright (C) 2017 Roland Häder
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.
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.
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/>.
17 package org.mxchange.jfinancials.beans.business.department;
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 javax.annotation.PostConstruct;
26 import javax.cache.Cache;
28 import javax.enterprise.context.RequestScoped;
29 import javax.enterprise.event.Observes;
30 import javax.inject.Inject;
31 import javax.inject.Named;
32 import org.mxchange.jcontactsbusiness.events.department.added.ObservableDepartmentAddedEvent;
33 import org.mxchange.jcontactsbusiness.model.department.Department;
34 import org.mxchange.jcontactsbusiness.model.department.DepartmentSessionBeanRemote;
35 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
38 * A general bean for departments
40 * @author Roland Häder<roland@mxchange.org>
42 @Named ("departmentController")
44 public class FinancialsDepartmentWebRequestBean extends BaseFinancialsBean implements FinancialsDepartmentWebRequestController {
49 private static final long serialVersionUID = 5_028_697_360_461L;
52 * A list of all departments
54 private final List<Department> allDepartments;
57 * EJB for administrative purposes
59 @EJB (lookup = "java:global/jfinancials-ejb/department!org.mxchange.jcontactsbusiness.model.department.DepartmentSessionBeanRemote")
60 private DepartmentSessionBeanRemote departmentBean;
63 * A list of all departments (globally)
66 @NamedCache (cacheName = "departmentCache")
67 private Cache<Long, Department> departmentCache;
70 * A list of filtered departments
72 private List<Department> filteredDepartments;
77 public FinancialsDepartmentWebRequestBean () {
78 // Call super constructor
82 this.allDepartments = new LinkedList<>();
86 * Observes events being fired when a department has been added.
88 * @param event Event being fired
90 * @throws NullPointerException If the parameter or it's carried instance is
92 * @throws IllegalArgumentException If the branchId is zero or lower
94 public void afterDepartmentAddedEvent (@Observes final ObservableDepartmentAddedEvent event) {
98 throw new NullPointerException("event is null"); //NOI18N
99 } else if (event.getDepartment() == null) {
101 throw new NullPointerException("event.department is null"); //NOI18N
102 } else if (event.getDepartment().getDepartmentId() == null) {
104 throw new NullPointerException("event.department.branchId is null"); //NOI18N
105 } else if (event.getDepartment().getDepartmentId() < 1) {
107 throw new IllegalArgumentException(MessageFormat.format("event.department.branchId={0} is not valid", event.getDepartment().getDepartmentId())); //NOI18N
110 // Add instance to cache
111 this.departmentCache.put(event.getDepartment().getDepartmentId(), event.getDepartment());
112 this.allDepartments.add(event.getDepartment());
116 @SuppressWarnings ("ReturnOfCollectionOrArrayField")
117 public List<Department> allDepartments () {
118 return this.allDepartments;
122 * Getter for a list of filtered departments
124 * @return Filtered departments
126 @SuppressWarnings ("ReturnOfCollectionOrArrayField")
127 public List<Department> getFilteredDepartments () {
128 return this.filteredDepartments;
132 * Setter for a list of filtered departments
134 * @param filteredDepartments Filtered departments
136 @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
137 public void setFilteredDepartments (final List<Department> filteredDepartments) {
138 this.filteredDepartments = filteredDepartments;
145 public void initializeList () {
147 if (!this.departmentCache.iterator().hasNext()) {
149 final List<Department> list = this.departmentBean.allDepartments();
152 for (final Iterator<Department> iterator = list.iterator(); iterator.hasNext();) {
154 final Department next = iterator.next();
157 this.departmentCache.put(next.getDepartmentId(), next);
161 // Is the list empty, but filled cache?
162 if (this.allDepartments.isEmpty() && this.departmentCache.iterator().hasNext()) {
164 final Iterator<Cache.Entry<Long, Department>> iterator = this.departmentCache.iterator();
167 while (iterator.hasNext()) {
169 final Cache.Entry<Long, Department> next = iterator.next();
172 this.allDepartments.add(next.getValue());
176 this.allDepartments.sort(new Comparator<Department>() {
178 public int compare (final Department o1, final Department o2) {
179 return o1.getDepartmentId() > o2.getDepartmentId() ? 1 : o1.getDepartmentId() < o2.getDepartmentId() ? -1 : 0;