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@ClientCallable should support return values

See original GitHub issue

Given

@ClientCallable
public void removeTodo(int index, String text) {
...
}

I really want to be able to provide information back to the client about whether the item was deleted, or if e.g. an optimistic locking / merge conflict occurred. The logical way would be

@ClientCallable
public boolean removeTodo(int index, String text) {

Issue Analytics

State:
Created 5 years ago
Comments:5 (4 by maintainers)

Top GitHub Comments

2reactions

Legiothcommented, May 3, 2018

On the client side, one quite obvious API approach would be that element.$server.foo(1, "foo") returns a Promise.

0reactions

Legiothcommented, Nov 8, 2019

This feature barely missed the train for Vaadin 14.1. It will be in Vaadin 14.2 that will be released at some point in the beginning of next year.

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