Training2Users.java

package entity.staff;

import entity.files.SYSFiles;
import entity.files.SYSFilesContainer;
import entity.files.SYSFilesLink;
import entity.files.TrainingAttendee2File;
import entity.system.Users;
import op.OPDE;

import javax.persistence.*;
import java.util.Collection;
import java.util.Date;

/**
 * Created by tloehr on 17.07.14.
 */
@Entity
@Table(name = "training2users")
public class Training2Users implements Comparable<Training2Users>, SYSFilesContainer {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id", nullable = false, insertable = true, updatable = true)
    private long id;

    public long getId() {
        return id;
    }

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

    @Basic
    @Temporal(TemporalType.TIMESTAMP)
    @Column(name = "pit", nullable = false, insertable = true, updatable = true)
    private Date pit;

    public Date getPit() {
        return pit;
    }

    public void setPit(Date pit) {
        this.pit = pit;
    }

    @Basic
    @Column(name = "state", nullable = false, insertable = true, updatable = true)
    private byte state;

    public byte getState() {
        return state;
    }

    public void setState(byte state) {
        this.state = state;
    }

    @Basic
    @Column(name = "text", nullable = true, insertable = true, updatable = true, length = 200)
    private String text;

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

    @Version
    @Column(name = "version", nullable = false, insertable = true, updatable = true)
    private long version;

    @JoinColumn(name = "trid", referencedColumnName = "id")
    @ManyToOne
    private Training training;

    @JoinColumn(name = "uid", referencedColumnName = "UKennung")
    @ManyToOne
    private Users attendee;

    @OneToMany(cascade = CascadeType.ALL, mappedBy = "training2Users")
    private Collection<TrainingAttendee2File> attachedFilesConnections;

    public Collection<TrainingAttendee2File> getAttachedFilesConnections() {
        return attachedFilesConnections;
    }

    @Override
    public SYSFilesLink attachFile(SYSFiles sysFiles) {
        TrainingAttendee2File link = new TrainingAttendee2File(sysFiles, this, OPDE.getLogin().getUser(), new Date());
        sysFiles.getTrainAttendeeAssignCollection().add(link);
        attachedFilesConnections.add(link);
        return link;
    }

    @Override
    public SYSFilesLink detachFile(SYSFiles sysFiles) {
        SYSFilesLink link2remove = null;
        for (SYSFilesLink link : attachedFilesConnections){
            if (link.getSysfile().equals(sysFiles)){
                link2remove = link;
                break;
            }
        }
        sysFiles.getTrainAttendeeAssignCollection().remove(link2remove);
        attachedFilesConnections.remove(link2remove);

        return link2remove;
    }

    public Users getAttendee() {
        return attendee;
    }

    public void setAttendee(Users attendee) {
        this.attendee = attendee;
    }

    public Training getTraining() {
        return training;
    }

    public void setTraining(Training training) {
        this.training = training;
    }

    public Training2Users() {
    }

    public Training2Users(Date pit, Users attendee, Training training) {
        this.pit = pit;
        this.attendee = attendee;
        this.training = training;
    }

    @Override
    public int compareTo(Training2Users o) {
        return attendee.getUID().compareTo(o.getAttendee().getUID());
    }
}