ComponentInStateUI.java

package com.vaadin.tests.minitutorials.v7a2;

import com.vaadin.annotations.Widgetset;
import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.Label;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;

/**
 * Mini tutorial code for
 * https://vaadin.com/wiki/-/wiki/Main/Using%20Components%
 * 20in%20the%20shared%20state
 *
 * @author Vaadin Ltd
 * @since 7.0.0
 */
@Widgetset("com.vaadin.tests.widgetset.TestingWidgetSet")
public class ComponentInStateUI extends UI {
    @Override
    protected void init(VaadinRequest request) {
        VerticalLayout layout = new VerticalLayout();
        layout.setMargin(true);
        setContent(layout);

        ComponentInStateComponent component = new ComponentInStateComponent();
        component.setOtherComponent(this);
        layout.addComponent(component);
        layout.addComponent(new Label("Server-side type of other component: "
                + component.getOtherComponent().getClass().getName()));
    }
}