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 * and open the template in the editor.
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package ee.tlu.htk.dippler.entities;

import java.io.Serializable;
import java.util.Collection;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Transient;
import javax.xml.bind.annotation.XmlRootElement;

/**
 *
 * @author metz
 */
@XmlRootElement
@Entity
@Table(name = "learner")
@NamedQueries({
    @NamedQuery(name = "Learner.findAll", query = "SELECT l FROM Learner l"),
    @NamedQuery(name = "Learner.findById", query = "SELECT l FROM Learner l WHERE l.id = :id"),
})
public class Learner implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(generator = "LearnerID")
    @TableGenerator(name="LearnerID", table="id_gen", 
            pkColumnName="ID_NAME", 
            valueColumnName = "ID_VAL",
            pkColumnValue="LAST_LEARNER",
            allocationSize=1)
    @Basic(optional = false)
    @Column(name = "id")
    private Long id;
    
    
    @Transient
    private Long user_id;

    
    @Transient
    private Long courseId;

    @Column(name = "status")
    private Integer status;

    @ManyToOne
    @JoinColumn(name="learner", referencedColumnName="id")
    private User user;

    @ManyToOne
    @JoinColumn(name="course", referencedColumnName="id")
    private Course course;
 
    @OneToMany
    @JoinTable(name = "coursegroup_member",
        joinColumns = @JoinColumn(name = "learner", referencedColumnName="id"),
        inverseJoinColumns = @JoinColumn(name = "coursegroup", referencedColumnName="id")
    )
    private Collection<Coursegroup> groups;
    
    @OneToOne(cascade = CascadeType.PERSIST, mappedBy = "learner")
    private Grade grade;
    

    public Long getId() {
        return id;
    }

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

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User u) {
        this.user = u;
    }

    public Course getCourse() {
        return course;
    }

    public void setCourse(Course c) {
        this.course = c;
        if ( !this.course.getLearners().contains(this) ) {
            this.course.addLearner(this);
        }
    }

    public Long getUser_id() {
        return user_id;
    }

    public void setUser_id(Long user_id) {
        this.user_id = user_id;
    }

    public Long getCourseId() {
        return courseId;
    }

    public void setCourseId(Long cid) {
        this.courseId = cid;
    }

    public Collection<Coursegroup> getGroups() {
        return groups;
    }

    public void setGroups(Collection<Coursegroup> groups) {
        this.groups = groups;
    }
    
    public Grade getGrade() {
        return grade;
    }

    public void setGrade(Grade grade) {
        this.grade = grade;
    } 

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Learner)) {
            return false;
        }
        Learner other = (Learner) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "ee.tlu.htk.dippler.entities.Learner[id=" + id + "]";
    }

}