Examples of com.vaadin.server.VaadinSession.lock()

• com.vaadin.server.VaadinSession.lock()
  it is safe to update the UI. // UI.getCurrent can also be used myUI.getContent().setCaption("Changed safely"); } }); If you for whatever reason want to do locking manually, you should do it like:

   session.lock(); try { doSomething(); } finally { session.unlock(); } 

  This method will block until the lock can be retrieved.

  {@link #getLockInstance()} can be used if more control over the lockingis required. @see #unlock() @see #getLockInstance() @see #hasLock()