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package ee.tlu.htk.dippler.entities;

import java.io.Serializable;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 *
 * @author pjotr
 */
@Entity
@Table(name = "grade")
@XmlRootElement
@NamedQueries({
    @NamedQuery(name = "Grade.findAll", query = "SELECT g FROM Grade g"),
    @NamedQuery(name = "Grade.findById", query = "SELECT g FROM Grade g WHERE g.id = :id"),
    @NamedQuery(name = "Grade.findByLearner", query = "SELECT g FROM Grade g WHERE g.learner = :learner"),
    @NamedQuery(name = "Grade.findByCourse", query="SELECT g FROM Grade g WHERE g.learner.course = :course"),
    @NamedQuery(name = "Grde.findByUserAndCourseIds", query = "SELECT g FROM Grade g WHERE g.learner.user.id = :user_id AND g.learner.course.id = :course_id")})
public class Grade implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @Basic(optional = false)
    @NotNull
    @Column(name = "learner_id")
    private Long id;
    @Basic(optional = false)
    @NotNull
    @Size(min = 1, max = 10)
    @Column(name = "grade")
    private String grade;
    @Basic(optional = false)
    @NotNull
    @Size(min = 0, max = 255)
    @Column(name = "feedback")
    private String feedback;
    @Basic(optional = false)
    @NotNull
    @Column(name = "created")
    @Temporal(TemporalType.TIMESTAMP)
    private Date created;
    @Basic(optional = false)
    @NotNull
    @Column(name = "modified")
    @Temporal(TemporalType.TIMESTAMP)
    private Date modified;
    @JoinColumn(name = "learner_id", referencedColumnName = "id", insertable = false, updatable = false)
    @OneToOne(optional = false)
    private Learner learner;
    @Transient
    @XmlElement(name="course_id")
    public Long course_id;
    @Transient
    @XmlElement(name="user_id")
    public Long user_id;

    public Grade() {
    }

    public Grade(Long id) {
        this.id = id;
    }

    public Grade(Long id, String grade, String feedback, Date created, Date modified) {
        this.id = id;
        this.grade = grade;
        this.feedback = feedback;
        this.created = created;
        this.modified = modified;
    }

    public Long getId() {
        return id;
    }

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

    public String getGrade() {
        return grade;
    }

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

    public String getFeedback() {
        return feedback;
    }

    public void setFeedback(String feedback) {
        this.feedback = feedback;
    }

    public Date getCreated() {
        return created;
    }

    public void setCreated(Date created) {
        this.created = created;
    }

    public Date getModified() {
        return modified;
    }

    public void setModified(Date modified) {
        this.modified = modified;
    }

    public Learner getLearner() {
        return learner;
    }

    public void setLearner(Learner learner) {
        this.learner = learner;
    }

    @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 Grade)) {
            return false;
        }
        Grade other = (Grade) 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.Grade[ id=" + id + " ]";
    }
    
}