/// <summary>
/// Initialize the look service - it caches reference to all lucene folders and sets up CartesianTierPlotters
/// </summary>
internal static void Initialize(UmbracoHelper umbracoHelper)
{
if (!LookService.Instance._initialized)
{
lock (LookService.Instance._initializationLock)
{
if (!LookService.Instance._initialized)
{
LogHelper.Info(typeof(LookService), "Initializing...");
LookService.Instance._umbracoHelper = umbracoHelper;
IndexProviderCollection indexProviderCollection = null;
try
{
indexProviderCollection = ExamineManager.Instance.IndexProviderCollection;
}
catch
{
// running outside of Umbraco - in unit test context
}
if (indexProviderCollection != null)
{
var indexProviders = indexProviderCollection
.Select(x => x as LuceneIndexer)
.Where(x => x != null)
.ToArray();
// cache the collection of Lucene Directory objs (so don't have to at query time)
LookService.Instance._indexSetDirectories = indexProviders.ToDictionary(x => x.IndexSetName, x => x.GetLuceneDirectory());
}
// init collection of cartesian tier plotters
IProjector projector = new SinusoidalProjector();
var plotter = new CartesianTierPlotter(0, projector, LookConstants.LocationTierFieldPrefix);
var startTier = plotter.BestFit(LookService._maxDistance);
var endTier = plotter.BestFit(1); // min of a 1 mile search
for (var tier = startTier; tier <= endTier; tier++)
{
LookService
.Instance
._cartesianTierPlotters
.Add(new CartesianTierPlotter(
tier,
projector,
LookConstants.LocationTierFieldPrefix));
}
LookService.Instance._initialized = true;
}
}
}
}
/// <summary>
/// Wire up the indexing event if both the configured indexer & searcher found
/// </summary>
/// <param name="action">indexing event</param>
/// <param name="umbracoHelper"></param>
internal static void Initialize(Action <object, IndexingNodeDataEventArgs, UmbracoHelper> action, UmbracoHelper umbracoHelper)
{
LogHelper.Info(typeof(LookService), "Initializing");
var valid = true;
if (LookService.Indexer == null)
{
LogHelper.Warn(typeof(LookService), $"Examine Indexer '{LookService.Instance.IndexerName}' Not Found");
valid = false;
}
else if (!(LookService.Indexer is LuceneIndexer))
{
// should this ever happen ?
LogHelper.Warn(typeof(LookService), "Examine Indexer is not of type LuceneIndexer");
valid = false;
}
if (LookService.Searcher == null)
{
LogHelper.Warn(typeof(LookService), $"Examine Searcher '{LookService.Instance.SearcherName}' Not Found");
valid = false;
}
if (!valid)
{
LogHelper.Warn(typeof(LookService), "Error initializing LookService");
}
else
{
LogHelper.Info(typeof(LookService), "Indexer & Searcher valid for the LookService");
// init collection of cartesian tier plotters (and store in singleton)
IProjector projector = new SinusoidalProjector();
var plotter = new CartesianTierPlotter(0, projector, CartesianTierPlotter.DefaltFieldPrefix);
var startTier = plotter.BestFit(LookService.MaxDistance);
var endTier = plotter.BestFit(1); // min of a 1 mile search
for (var tier = startTier; tier <= endTier; tier++)
{
LookService.Instance.CartesianTierPlotters.Add(
new CartesianTierPlotter(tier, projector, CartesianTierPlotter.DefaltFieldPrefix));
}
// wire-up events
LookService.Indexer.GatheringNodeData += (sender, e) => action(sender, e, umbracoHelper);
((LuceneIndexer)LookService.Indexer).DocumentWriting += LookIndexService.DocumentWriting;
}
}
