public string ListPatterns(IEnumerable<Pattern> patterns)
        {
            var adapter = new PatternCollectionDbAdapter(patterns);
            _dataRenderer = new DataRenderer(adapter);

            var writer = new StringWriter();
            _dataRenderer.Render(writer);

            return writer.ToString();
        }
        public string ListPatterns(IEnumerable <Pattern> patterns)
        {
            var adapter = new PatternCollectionDbAdapter(patterns);

            dataRenderer = new DataRenderer(adapter);
            var writer = new StringWriter();

            dataRenderer.Render(writer);

            return(writer.ToString());
        }