// Sets this.graphContext
    @Override
    public GraphContext create()
    {
        return produceGraphContext();
    }

    // Does not touch nor inspect this.graphContext
    @Override
    public GraphContext create(Path runDirectory)
    {
        GraphContextImpl context = new GraphContextImpl(graphServices,
                    this.graphTypeRegistry,
                    this.graphApiCompositeClassLoaderProvider);
        context.setGraphDirectory(runDirectory);
        return context;
    }

    // Sets this.graphContext
    @Produces
    @ApplicationScoped
    public GraphContext produceGraphContext()
    {
        if (this.graphContext == null)
        {
            this.graphContext = new GraphContextImpl(graphServices,
                        this.graphTypeRegistry,
                        this.graphApiCompositeClassLoaderProvider);
        }
        return graphContext;
    }