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.exceptions.department.DepartmentNotFoundException;
34 import org.mxchange.jcontactsbusiness.model.department.Department;
35 import org.mxchange.jcontactsbusiness.model.department.DepartmentSessionBeanRemote;
36 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
39 * A general bean for departments
41 * @author Roland Häder<roland@mxchange.org>
43 @Named ("departmentController")
45 public class FinancialsDepartmentWebRequestBean extends BaseFinancialsBean implements FinancialsDepartmentWebRequestController {
50 private static final long serialVersionUID = 5_028_697_360_461L;
53 * A list of all departments
55 private final List<Department> allDepartments;
58 * EJB for administrative purposes
60 @EJB (lookup = "java:global/jfinancials-ejb/department!org.mxchange.jcontactsbusiness.model.department.DepartmentSessionBeanRemote")
61 private DepartmentSessionBeanRemote departmentBean;
64 * A list of all departments (globally)
67 @NamedCache (cacheName = "departmentCache")
68 private Cache<Long, Department> departmentCache;
71 * A list of filtered departments
73 private List<Department> filteredDepartments;
78 public FinancialsDepartmentWebRequestBean () {
79 // Call super constructor
83 this.allDepartments = new LinkedList<>();
87 * Observes events being fired when a department has been added.
89 * @param event Event being fired
91 * @throws NullPointerException If the parameter or it's carried instance is
93 * @throws IllegalArgumentException If the branchId is zero or lower
95 public void afterDepartmentAddedEvent (@Observes final ObservableDepartmentAddedEvent event) {
99 throw new NullPointerException("event is null"); //NOI18N
100 } else if (event.getDepartment() == null) {
102 throw new NullPointerException("event.department is null"); //NOI18N
103 } else if (event.getDepartment().getDepartmentId() == null) {
105 throw new NullPointerException("event.department.branchId is null"); //NOI18N
106 } else if (event.getDepartment().getDepartmentId() < 1) {
108 throw new IllegalArgumentException(MessageFormat.format("event.department.branchId={0} is not valid", event.getDepartment().getDepartmentId())); //NOI18N
111 // Add instance to cache
112 this.departmentCache.put(event.getDepartment().getDepartmentId(), event.getDepartment());
113 this.allDepartments.add(event.getDepartment());
117 @SuppressWarnings ("ReturnOfCollectionOrArrayField")
118 public List<Department> allDepartments () {
119 return this.allDepartments;
123 public Department findDepartmentById (final Long departmentId) throws DepartmentNotFoundException {
124 // Validate parameter
125 if (null == departmentId) {
127 throw new NullPointerException("departmentId is null"); //NOI18N
128 } else if (departmentId < 1) {
130 throw new IllegalArgumentException("departmentId=" + departmentId + " is invalid"); //NOI18N
131 } else if (!this.departmentCache.containsKey(departmentId)) {
133 throw new DepartmentNotFoundException(departmentId);
137 final Department department = this.departmentCache.get(departmentId);
144 * Getter for a list of filtered departments
146 * @return Filtered departments
148 @SuppressWarnings ("ReturnOfCollectionOrArrayField")
149 public List<Department> getFilteredDepartments () {
150 return this.filteredDepartments;
154 * Setter for a list of filtered departments
156 * @param filteredDepartments Filtered departments
158 @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
159 public void setFilteredDepartments (final List<Department> filteredDepartments) {
160 this.filteredDepartments = filteredDepartments;
167 public void initializeList () {
169 if (!this.departmentCache.iterator().hasNext()) {
171 final List<Department> departments = this.departmentBean.allDepartments();
174 for (final Department department : departments) {
176 this.departmentCache.put(department.getDepartmentId(), department);
180 // Is the list empty, but filled cache?
181 if (this.allDepartments.isEmpty() && this.departmentCache.iterator().hasNext()) {
183 final Iterator<Cache.Entry<Long, Department>> iterator = this.departmentCache.iterator();
186 while (iterator.hasNext()) {
188 final Cache.Entry<Long, Department> next = iterator.next();
191 this.allDepartments.add(next.getValue());
195 this.allDepartments.sort(new Comparator<Department>() {
197 public int compare (final Department o1, final Department o2) {
198 return o1.getDepartmentId() > o2.getDepartmentId() ? 1 : o1.getDepartmentId() < o2.getDepartmentId() ? -1 : 0;