Method clear

src/main/java/groovy/util/ObservableSet.java:407–416

{@inheritDoc}

()

    /** {@inheritDoc} */
    @Override
    public void clear() {
        int oldSize = size();
        List<E> values = new ArrayList<E>(delegate);
        delegate.clear();
        if (!values.isEmpty()) {
            fireElementClearedEvent(values);
        }
        fireSizeChangedEvent(oldSize, size());
    }

    /**
     * Iterator wrapper that reports removals as observable set events.