package test;

import java.io.*;
import javax.persistence.*;

@Entity
public class XXXEntity {

    @Id private Long id;

    @Transient private Object entity;

    @Lob private byte[] binEntity;

    public Object getEntity() {
    try {
        return this.entity!=null ? this.entity : (this.entity = new ObjectInputStream(new ByteArrayInputStream(this.binEntity)).readObject());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    }

    public void setEntity(Object entity) {
    this.entity = entity;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        final ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(entity);
        oos.close();
        this.binEntity = baos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    }