comentario.java

@Entity
public class Comentario {
@Id
@GeneratedValue
private long id;
 
private String comentario;
 
@Any(metaColumn = @Column(name = "detail_type"))
@AnyMetaDef(idType = "long", metaType = "string", metaValues = {
@MetaValue(value = "RESTAURANTE", targetEntity = Restaurante.class),
@MetaValue(value = "PRATO", targetEntity = Prato.class) })
@JoinColumn(name = "detail_id")
private Comentavel comentavel;
...
}