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);
	}
    }