2 * Copyright 2007, 2008, 2009, 2010 Electronic Business Systems Ltd.
4 * This file is part of GSS.
6 * GSS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GSS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
19 package gr.ebs.gss.server.domain;
21 import gr.ebs.gss.server.domain.dto.UserClassDTO;
23 import java.io.Serializable;
24 import java.text.DecimalFormat;
25 import java.util.List;
27 import javax.persistence.CascadeType;
28 import javax.persistence.Entity;
29 import javax.persistence.GeneratedValue;
30 import javax.persistence.Id;
31 import javax.persistence.OneToMany;
32 import javax.persistence.Version;
34 import org.hibernate.annotations.Cache;
35 import org.hibernate.annotations.CacheConcurrencyStrategy;
38 * A group of users with common attributes.
43 @Cache(usage=CacheConcurrencyStrategy.READ_WRITE)
44 public class UserClass implements Serializable{
47 * The persistence ID of the object.
54 * Version field for optimistic locking.
56 @SuppressWarnings("unused")
61 * A name for this class.
66 * The disk quota of this user class.
71 * The users belonging to this class
73 @OneToMany(cascade = CascadeType.ALL, mappedBy = "userClass")
74 private List<User> users;
80 public String getName() {
84 public void setName(String aName) {
88 public long getQuota() {
92 public void setQuota(long aQuota) {
97 public String toString() {
102 * Return a new Data Transfer Object for this user class.
104 * @return a new DTO with the same contents as this object
106 public UserClassDTO getDTO() {
107 UserClassDTO u = new UserClassDTO();
111 for (final User user : users)
112 u.getUsers().add(user.getDTO());
117 * Return a new Data Transfer Object for this user class.
119 * @return a new DTO with the same contents as this object
121 public UserClassDTO getDTOWithoutUsers() {
122 UserClassDTO u = new UserClassDTO();
130 * Return the quota size in a humanly readable form.
132 public String getQuotaAsString() {
134 return String.valueOf(quota) + " B";
135 else if (quota < 1024*1024)
136 return getSize(quota, 1024D) + " KB";
137 else if (quota < 1024*1024*1024)
138 return getSize(quota,(1024D*1024D)) + " MB";
139 return getSize(quota , (1024D*1024D*1024D)) + " GB";
142 private String getSize(Long size, Double divisor){
143 DecimalFormat formatter = new DecimalFormat("######");
144 return formatter.format((Double) (size.doubleValue()/divisor));