/**
 * Forwards execution events to EventSpies.
 * @since 3.0.2
 */
class EventSpyExecutionListener extends AbstractExecutionListener {

    private final EventSpyDispatcher dispatcher;

    private final ExecutionListener delegate;

    EventSpyExecutionListener(EventSpyDispatcher dispatcher, ExecutionListener delegate) {
        this.dispatcher = dispatcher;
        this.delegate = delegate;

    }

    public ExecutionListener chainListener(ExecutionListener listener) {
        if (eventSpies.isEmpty()) {
            return listener;
        }
        return new EventSpyExecutionListener(this, listener);
    }

    public RepositoryListener chainListener(RepositoryListener listener) {
        if (eventSpies.isEmpty()) {
            return listener;
        }