Role.java

package no.niths.domain.school;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.Table;
import javax.persistence.Transient;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;

import no.niths.common.constants.DomainConstantNames;
import no.niths.domain.Domain;

import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.hibernate.annotations.Cascade;
import org.hibernate.annotations.CascadeType;
/**
 * Domain class for Role
 *
 * <p>
 * Role has these variables:
 * roleName = example ROLE_COMMITTEE_LEADER,
 * trimedRoleName = example
 * </p>
 * <p>
 * And relations too:
 * Student
 * </p>
 */
@XmlRootElement
@Entity
@Table(name = DomainConstantNames.ROLES)
@XmlAccessorType(XmlAccessType.FIELD)
@JsonSerialize(include=JsonSerialize.Inclusion.NON_NULL)
public class Role implements Domain {
    
    @Transient
    private static final long serialVersionUID = 3089189542515256814L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    
    @Column(unique = true, name="role_name")
    @XmlElement(name="rolename")
    private String roleName;

    @JsonIgnore
    @XmlTransient
    @Transient
    @SuppressWarnings("unused")
    private String trimedRoleName;
    
    @JsonIgnore
    @XmlTransient
    @ManyToMany(fetch = FetchType.LAZY, targetEntity = Student.class)
    @JoinTable(name = "students_roles", 
        joinColumns = @JoinColumn(name = "roles_id"), 
        inverseJoinColumns = @JoinColumn(name = "students_id"))
    @Cascade(CascadeType.ALL)
    private List<Student> students = new ArrayList<Student>();
    
    public Role(){
        this(null,null);
        setStudents(null);
        
    }
    
    public Role(String roleName){
        this.roleName = roleName;
    }
    
    public Role(Long roleId) {
        setId(roleId);
    }
    
    public Role(Long roleId,String roleName) {
        setId(roleId);
        setRoleName(roleName);
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getRoleName() {
        return roleName;
    }

    public void setRoleName(String roleName) {
        this.roleName = roleName;
    }
    
    @Override
    public boolean equals( final Object obj ){
        if( this == obj )
            return true;
        if( obj == null)
            return false;
        if( this.getClass() != obj.getClass() )
            return false;
        final Role other = (Role) obj;
        if( roleName != null && roleName.equals(other.roleName)){
            return true;
        }
        return false;
    }
    
    @Override
    public String toString() {
        return "Role: " + roleName;
    }

    public String getTrimedRoleName() {
        String role = roleName.replace("ROLE_", "");
        role = role.charAt(0) + role.substring(1, role.length()).toLowerCase() +"";
        return role;
    }
    
    
    public List<Student> getStudents() {
        return students;
    }

    public void setStudents(List<Student> students) {
        this.students = students;
    }

}