root / src / gr / ebs / gss / server / domain / UserClass.java @ 01a30cd0
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/*
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* Copyright 2007, 2008, 2009, 2010 Electronic Business Systems Ltd.
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*
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* This file is part of GSS.
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*
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* GSS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GSS. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gr.ebs.gss.server.domain; |
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import gr.ebs.gss.server.domain.dto.UserClassDTO; |
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import java.io.Serializable; |
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import java.text.DecimalFormat; |
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import java.util.List; |
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import javax.persistence.CascadeType; |
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import javax.persistence.Entity; |
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import javax.persistence.GeneratedValue; |
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import javax.persistence.Id; |
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import javax.persistence.OneToMany; |
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import javax.persistence.Version; |
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import org.hibernate.annotations.Cache; |
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import org.hibernate.annotations.CacheConcurrencyStrategy; |
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/**
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* A group of users with common attributes.
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*
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* @author droutsis
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*/
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@Entity
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@Cache(usage=CacheConcurrencyStrategy.READ_WRITE)
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public class UserClass implements Serializable{ |
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/**
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* The persistence ID of the object.
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*/
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@Id
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@GeneratedValue
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private Long id; |
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/**
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* Version field for optimistic locking.
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*/
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@SuppressWarnings("unused") |
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@Version
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private int version; |
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/**
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* A name for this class.
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*/
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private String name; |
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/**
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* The disk quota of this user class.
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*/
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private long quota; |
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/**
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* The users belonging to this class
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*/
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@OneToMany(cascade = CascadeType.ALL, mappedBy = "userClass") |
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private List<User> users; |
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public Long getId() { |
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return id;
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} |
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public String getName() { |
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return name;
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} |
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public void setName(String aName) { |
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name = aName; |
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} |
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public long getQuota() { |
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return quota;
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} |
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public void setQuota(long aQuota) { |
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quota = aQuota; |
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} |
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@Override
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public String toString() { |
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return name;
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} |
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/**
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* Return a new Data Transfer Object for this user class.
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*
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* @return a new DTO with the same contents as this object
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*/
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public UserClassDTO getDTO() {
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UserClassDTO u = new UserClassDTO();
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u.setId(id); |
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u.setName(name); |
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u.setQuota(quota); |
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for (final User user : users) |
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u.getUsers().add(user.getDTO()); |
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return u;
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} |
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/**
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* Return the quota size in a humanly readable form.
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*/
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public String getQuotaAsString() { |
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if (quota < 1024) |
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return String.valueOf(quota) + " B"; |
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else if (quota < 1024*1024) |
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return getSize(quota, 1024D) + " KB"; |
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else if (quota < 1024*1024*1024) |
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return getSize(quota,(1024D*1024D)) + " MB"; |
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return getSize(quota , (1024D*1024D*1024D)) + " GB"; |
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} |
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private String getSize(Long size, Double divisor){ |
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DecimalFormat formatter = new DecimalFormat("######"); |
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return formatter.format((Double) (size.doubleValue()/divisor)); |
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} |
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} |