Fluent methods for data class in kotlin

Question

We are familiar with fluent interfaces for calling methods in java and other programming languages. For eg:

Picasso.with(this).load(url).into(imageView);

This is made possible by setter methods what return object of desired type.

public Picasso with(Context context)
{
    this.context = context;
    return this;
}

public X load(String url)
{
    this.url = url;
    return this;
}

public Y load(ImageView imageView)
{
    this.imageView = imageView;
    return this;
}

I am trying to do the same with kotlin data classes but sadly I could not find a way to override the setter methods in which I could return the new instance of that object.

I get compiler error when I try to forcefully override setter method.

Any idea about what can be done so that I can call fluent interfaces or at least alter how the setter works may be like this

data class CorruptOfficeAccount(.....){
     override fun addCollectedFee(Long money) :CorruptOfficeAccount {
     this.money = money/5
    }
}

So that I can call

CorrutOfficeAccount(....).method1().addCollectedFee(20000).method3()

Fluent methods for data class in kotlin

3 Answers