public override void Process <T1>(IndexEntryUpdate <T1> update)
{
long nodeId = update.EntityId;
try
{
switch (update.UpdateMode())
{
case ADDED:
Added(update);
_writer.updateDocument(LuceneDocumentStructure.newTermForChangeOrRemove(nodeId), LuceneDocumentStructure.documentRepresentingProperties(nodeId, update.Values()));
break;
case CHANGED:
Changed(update);
_writer.updateDocument(LuceneDocumentStructure.newTermForChangeOrRemove(nodeId), LuceneDocumentStructure.documentRepresentingProperties(nodeId, update.Values()));
break;
case REMOVED:
Removed(update);
_writer.deleteDocuments(LuceneDocumentStructure.newTermForChangeOrRemove(nodeId));
break;
default:
throw new System.InvalidOperationException("Unknown update mode " + Arrays.ToString(update.Values()));
}
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}
public override long CountIndexedNodes(long nodeId, int[] propertyKeyIds, params Value[] propertyValues)
{
Query nodeIdQuery = new TermQuery(LuceneDocumentStructure.newTermForChangeOrRemove(nodeId));
Query valueQuery = LuceneDocumentStructure.newSeekQuery(propertyValues);
BooleanQuery.Builder nodeIdAndValueQuery = (new BooleanQuery.Builder()).setDisableCoord(true);
nodeIdAndValueQuery.add(nodeIdQuery, BooleanClause.Occur.MUST);
nodeIdAndValueQuery.add(valueQuery, BooleanClause.Occur.MUST);
try
{
TotalHitCountCollector collector = new TotalHitCountCollector();
IndexSearcher.search(nodeIdAndValueQuery.build(), collector);
// A <label,propertyKeyId,nodeId> tuple should only match at most a single propertyValue
return(collector.TotalHits);
}
catch (IOException e)
{
throw new Exception(e);
}
}
