vaadin/src/main/java/net/typedrest/vaadin/views/AbstractCollectionView.java
@Subscribe
    public void handle(ElementEvent<TEntity> message) {
        if (message.getEndpoint().getEntityType() == this.endpoint.getEntityType()) {
            refresh();
        }
    }
@Subscribe
    public void handle(ElementEvent<TEntity> message) {
        if (message.getEndpoint().getEntityType() == this.endpoint.getEntityType()) {
            refresh();
        }
    }
Refresh when child elements are created or updated