Creating a Server-Side Component · Vaadin
Vaadin Framework - Client-Server Integration - Creating a Server-Side Component
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Creating a Server-Side Component

Typical server-side Vaadin applications use server-side components that are rendered on the client-side using their counterpart widgets. A server-side component must manage state synchronization between the widget on the client-side, in addition to any server-side logic.

Basic Server-Side Component

The component state is usually managed by a shared state, described later in Shared State.

public class MyComponent extends AbstractComponent {
    public MyComponent() {
        getState().setText("This is MyComponent");
    }

    @Override
    protected MyComponentState getState() {
        return (MyComponentState) super.getState();
    }
}