static public SearchGraph Create(Engine parent, EngineSearchOptions options, IEnumerator <MatchData> searchResults)
{
var graph = new SearchGraph(parent, options);
while (searchResults.MoveNext())
{
graph.AddNode(0, searchResults.Current.Domain, searchResults.Current.Item);
}
return(graph);
}
public EngineSearchResults Search(EngineSearchOptions options, string searchText)
{
if (options.UseTextOnlySearch)
{
var simple = new EngineSearchResults {
TabularData = SearchBasic(searchText)
};
return(simple);
}
SearchGraph graph;
NotifyStepToClient("Searching text in database");
using (var matchData = _proxy.SearchText(searchText))
{
graph = SearchGraph.Create(this, options, matchData);
}
log.InfoFormat("Raw Search results - Total nodes: {0}", graph.TotalNodes);
for (var i = 0; i < options.MaxNumberOfGeneration; ++i)
{
var status = string.Format("Processing Generation {0} ({1} results so far)", i + 1, graph.TotalNodes);
NotifyStepToClient(status);
using (new Timer(status))
{
if (!graph.ExtendChart(i == 0))
{
log.Info("No more node issued or reached limit ... stop chart");
break;
}
}
log.InfoFormat("Generation {0} - Total nodes: {1}", i, graph.TotalNodes);
}
NotifyStepToClient(string.Format("Calculating HITS on {0} nodes", graph.TotalNodes));
graph.ComputeHITS();
NotifyStepToClient("Fetching results ...");
var result = new EngineSearchResults {
TabularData = graph.CreateTabularResult()
};
if (options.ReportSearchGraph)
{
NotifyStepToClient("Dumping search chart ...");
result.SearchGraph = graph.CreateGraphDump();
}
return(result);
}
private SearchGraph(Engine parent, EngineSearchOptions options)
{
_parent = parent;
_options = options;
}