package com.vaadin.tests.push; import com.vaadin.annotations.Push; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractTestUIWithLog; import com.vaadin.ui.Button; @Push public class PushFromInit extends AbstractTestUIWithLog { public static final String LOG_DURING_INIT = "Logged from access run before init ends"; public static final String LOG_AFTER_INIT = "Logged from background thread run after init has finished"; @Override protected void setup(VaadinRequest request) { log("Logged in init"); Thread t = new Thread(new RunBeforeInitEnds()); t.start(); try { t.join(); } catch (InterruptedException e) { throw new RuntimeException(e); } new Thread(new RunAfterInit()).start(); addComponent(new Button("Sync")); } class RunBeforeInitEnds implements Runnable { @Override public void run() { access(() -> log(LOG_DURING_INIT)); } } class RunAfterInit implements Runnable { @Override public void run() { try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } access(() -> log(LOG_AFTER_INIT)); } } @Override protected String getTestDescription() { return "Pusing something to a newly created UI should not cause race conditions"; } @Override protected Integer getTicketNumber() { return Integer.valueOf(11529); } }