public static Document ToDocument(this IXDescriptor descriptor, string uniqueIdentifierField)
{
Document doc = new Document();
bool uq = false;
foreach (IXDescriptorProperty p in descriptor.Properties)
{
if ((p.Flags & FieldFlags.UNIQUEID) == FieldFlags.UNIQUEID)
{
if (uq)
{
throw new InvalidOperationException("UNIQUEID not found");
}
else
{
doc.Add(new Field(uniqueIdentifierField,
p.Name,
Field.Store.YES,
Field.Index.NOT_ANALYZED
));
uq = true;
}
}
doc.Add(p.ToField());
}
return(doc);
}
public IndexerSetupResult Setup(IXDescriptor descriptor)
{
if (setup)
{
return(IndexerSetupResult.Failure);
}
hashFactory = new System.Security.Cryptography.SHA256Managed();
string _v = Convert.ToBase64String(hashFactory.ComputeHash(System.Text.UTF8Encoding.UTF8.GetBytes(descriptor.ToString())));
int df = indexSearcher.DocFreq(new Term(indexerDocumentDescriptorVersion, _v));
// set up searcher
TermDocs term = indexSearcher.IndexReader.TermDocs();
List <Document> docs = new List <Document>();
while (term.Next())
{
docs.Add(indexSearcher.Doc(term.Doc));
}
return(IndexerSetupResult.Okay);
}
/// <summary>
/// add/update an item to the index
/// </summary>
/// <param name="dataItem"></param>
/// <param name="waitForIndex"></param>
/// <returns></returns>
public bool AddUpdateLuceneIndex(IXDescriptor dataItem, bool waitForIndex = false)
{
return(AddUpdateLuceneIndex(new IXDescriptor[] { dataItem }, waitForIndex));
}
