Blazerg's questions

The code is groovy but the answer can be in Java, no problem. I have a Person class with the following attributes:

class Persona(){
String nombre
String apellido
}

and I have a method that returns two person type objects, one with some attributes and the other with the rest. In my example it would be as if I had:

persona1 = "nombre : Juan"
persona2 = "apellido : Gónzalez"

And when "merging" it, what I want is that person1 be added the attributes that it does not have but that person2 does have. The output in this example would be:

persona1.merge(persona2)
persona1= "nombre : Juan, apellido : Gónzalez"

Is there a java or groovy api method that allows me to do this "merge" without writing each attribute by hand (iterating over all the attributes so I don't have to change the code if attributes are added or removed)?

If it doesn't exist, can you make a loop to iterate over the different attributes of a class to check the value of that attribute one by one?

I want to create an entity on which inserts or updates of any kind should not be made, I can think of two ways to do this:

Using insertable=false and updatable=false tag on each column

@Entity
@Table(name = users)
class Users {
    @Column(name= 'name' insertable=false, updatable=false)
    String name;
}

I don't like this although it works because I have to put those labels in all the columns and I would like to do it at the class level, for this I can think of using the @Inmutable annotation of hibernate

@Entity
@Inmutable
@Table(name = users)
class Users {
    @Column(name= 'name')
    String name;
}

This tag allows me to do a get on the entity but not be able to modify those values ​​later.

Does the immutable tag override hibernate persistence or can it be saved somehow? Is there any other tag that I can use at the class level in an entity that allows me to modify objects of the entity but not insert or update in the database?

I have a page ( parent window ) that opens a popup window ( child ) with JavaScript , and when I press a button from the child window, it closes, and I need one divof the parent window to be updated.

I have tried with parent.location.reloadbut it reloads the whole page and I don't want that, I want to update only a certain element of the screen.

I have also tried document.getElementById.reloadbut it doesn't work either. Is there a way to do this with JavaScript ?

The value to be updated is updated in Java using a actionbutton that has it. All I need is for that part of the page to be updated to display that value.