Java tutorial
/** * Copyright (C) 2010 - 2014 VREM Software Development <VREMSoftwareDevelopment@gmail.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ca.travelagency.identity; import javax.persistence.Entity; import javax.persistence.EnumType; import javax.persistence.Enumerated; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.builder.CompareToBuilder; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; import ca.travelagency.persistence.DaoEntity; @Entity public class SystemUserRole implements DaoEntity, Comparable<SystemUserRole> { private static final long serialVersionUID = 1L; public static SystemUserRole make(Role role) { SystemUserRole invoiceTraveler = new SystemUserRole(); invoiceTraveler.setRole(role); return invoiceTraveler; } public enum Properties { role } @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Enumerated(EnumType.STRING) private Role role = Role.AGENT; // used only for testing @Deprecated public SystemUserRole() { } @Override public Long getId() { return id; } public void setId(Long id) { Validate.notNull(id); this.id = id; } @Override public String getName() { return getRole().name(); } public Role getRole() { return role; } public void setRole(Role role) { Validate.notNull(role); this.role = role; } @Override public int hashCode() { return new HashCodeBuilder().append(getRole()).toHashCode(); } @Override public boolean equals(Object object) { if (this == object) { return true; } if (!(object instanceof SystemUserRole)) { return false; } SystemUserRole other = (SystemUserRole) object; return new EqualsBuilder().append(getRole(), other.getRole()).isEquals(); } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } @Override public Class<?> getTrueClass() { return SystemUserRole.class; } @Override public int compareTo(SystemUserRole other) { return new CompareToBuilder().append(getRole(), other.getRole()).toComparison(); } @Override public void setName(String name) { } }