Method add

src/main/java/groovy/util/ObservableSet.java:282–299

{@inheritDoc}

(E e)

    /** {@inheritDoc} */
    @Override
    public boolean add(E e) {
        int oldSize = size();
        boolean success = delegate.add(e);
        if (success) {
            if (test != null) {
                Object result = test.call(e);
                if (result instanceof Boolean && (Boolean) result) {
                    fireElementAddedEvent(e);
                    fireSizeChangedEvent(oldSize, size());
                }
            } else {
                fireElementAddedEvent(e);
                fireSizeChangedEvent(oldSize, size());
            }
        }
        return success;
    }

    /** {@inheritDoc} */
    @Override