private IndexerAddedReceipt AddIndexableToIndex(Indexable indexable,
IndexWriter primary_writer,
ref IndexWriter secondary_writer,
Hashtable prop_change_docs)
{
Filter filter = null;
if (FileFilterNotifier != null)
{
FileFilterNotifier(indexable.DisplayUri, indexable.ContentUri, null); // We don't know what filter yet.
}
// If we have content, try to find a filter
// we we can use to process the indexable
bool filter_content = false;
try {
filter_content = FilterFactory.FilterIndexable(indexable, (disable_textcache ? null : text_cache), out filter);
} catch { }
if (!filter_content)
{
indexable.NoContent = true;
filter = null;
}
if (FileFilterNotifier != null)
{
FileFilterNotifier(indexable.DisplayUri, indexable.ContentUri, filter); // Update with our filter
}
IndexerAddedReceipt r = new IndexerAddedReceipt(indexable.Id);
if (filter != null)
{
if (filter.HasGeneratedIndexable)
{
Log.Debug("{0} might generate indexables from {1}; deferring until later",
indexable.DisplayUri,
filter.GetType().ToString());
// This indexable can potentially generate indexables,
// so defer its indexing
DeferredInfo di;
di = new DeferredInfo(indexable, filter, prop_change_docs);
deferred_indexables.Insert(0, di);
// Since we are deferred, continue. Do not cleanup indexable or remove text-cache yet.
// FIXME: Make sure all indexable.Cleanup is called for all indexables if
// shutdown is signalled.
if (FileFilterNotifier != null)
{
FileFilterNotifier(null, null, null); // reset
}
// Return null to signal the indexable was deferred
return(null);
}
// Force the clean-up of temporary files, just in case.
// FIXME: I am not sure if the cleanup should happen now.
// What is the difference between filter.Cleanup and Indexable.Cleanup ?
filter.Cleanup();
r.FilterName = filter.GetType().ToString();
r.FilterVersion = filter.Version;
}
// If this indexables is not deferred, add it to the index.
if (indexable.DisplayUri != indexable.ContentUri)
{
Log.Debug("+{0} ({1})", indexable.DisplayUri, indexable.ContentUri);
}
else
{
Log.Debug("+{0}", indexable.DisplayUri);
}
Document persistent_prop_doc = null;
if (prop_change_docs != null)
{
persistent_prop_doc = (Document)prop_change_docs [indexable.Uri];
}
AddDocumentToIndex(indexable, persistent_prop_doc, primary_writer, ref secondary_writer);
if (FileFilterNotifier != null)
{
FileFilterNotifier(null, null, null); // reset
}
// Clean up any temporary files associated with filtering this indexable.
indexable.Cleanup();
// Remove any existing text cache for this item
if (disable_textcache && text_cache != null)
{
text_cache.Delete(indexable.Uri);
}
return(r);
}
