Smrf.NodeXL.ExcelTemplate.WordMetricCalculator2.TryCalculateGraphMetrics C# (CSharp) Method

    TryCalculateGraphMetrics
    (
        IGraph graph,
        CalculateGraphMetricsContext calculateGraphMetricsContext,
        out GraphMetricColumn [] graphMetricColumns
    )
    {
        Debug.Assert(graph != null);
        Debug.Assert(calculateGraphMetricsContext != null);
        AssertValid();

        graphMetricColumns = new GraphMetricColumn[0];

        WordMetricUserSettings oWordMetricUserSettings =
            calculateGraphMetricsContext.GraphMetricUserSettings
            .WordMetricUserSettings;

        if (
            !calculateGraphMetricsContext.ShouldCalculateGraphMetrics(
                GraphMetrics.Words)
            ||
            String.IsNullOrEmpty(oWordMetricUserSettings.TextColumnName)
            )
        {
            return (true);
        }

        String [] asWordsToSkip = StringUtil.SplitOnCommonDelimiters(
            oWordMetricUserSettings.WordsToSkip);

        WordCounter oWordCounter = new WordCounter(asWordsToSkip);
        WordPairCounter oWordPairCounter = new WordPairCounter(asWordsToSkip);

        // The edges or vertices may have unique imported IDs.  If so, this
        // becomes a collection of the IDs.

        HashSet<String> oUniqueImportedIDs = 
            EdgesOrVerticesHaveImportedIDs(graph,
                oWordMetricUserSettings.TextColumnIsOnEdgeWorksheet) ?
            new HashSet<String>() : null;

        if (oWordMetricUserSettings.CountByGroup)
        {
            if (oWordMetricUserSettings.TextColumnIsOnEdgeWorksheet)
            {
                return ( TryCountEdgeTermsByGroup(graph,
                    oWordMetricUserSettings, oWordCounter, oWordPairCounter,
                    oUniqueImportedIDs, out graphMetricColumns) );
            }
            else
            {
                return ( TryCountVertexTermsByGroup(graph,
                    oWordMetricUserSettings, oWordCounter, oWordPairCounter,
                    oUniqueImportedIDs, out graphMetricColumns) );
            }
        }
        else
        {
            return ( TryCountTermsNoGroups(graph,
                oWordMetricUserSettings, oWordCounter, oWordPairCounter,
                oUniqueImportedIDs, out graphMetricColumns) );
        }
    }