public static IndexWriter Create(AbstractConnection connection, Process process, Entity entity)
{
using (var dir = LuceneDirectoryFactory.Create(connection, entity)) {
Analyzer defaultAnalyzer = new KeywordAnalyzer();
if (process.SearchTypes.ContainsKey("default"))
{
defaultAnalyzer = LuceneAnalyzerFactory.Create(process.SearchTypes["default"].Analyzer, connection.Version);
}
var analyzer = new PerFieldAnalyzerWrapper(defaultAnalyzer);
foreach (var field in GetFields(entity, connection.Version, connection.Logger))
{
analyzer.AddAnalyzer(field.Key, field.Value);
}
return(new IndexWriter(dir, analyzer, IndexWriter.MaxFieldLength.UNLIMITED));
}
}
private static Dictionary <string, Analyzer> GetFields(Entity entity, string version, ILogger logger)
{
var fields = new Dictionary <string, Analyzer>();
foreach (var field in entity.OutputFields())
{
foreach (var searchType in field.SearchTypes)
{
if (Analyzers.Contains(searchType.Analyzer))
{
if (fields.ContainsKey(field.Alias))
{
fields[field.Alias + searchType.Name] = LuceneAnalyzerFactory.Create(searchType.Analyzer, version);
}
else
{
fields[field.Alias] = LuceneAnalyzerFactory.Create(searchType.Analyzer, version);
}
}
else
{
logger.EntityWarn(entity.Name, "Analyzer '{0}' specified in search type '{1}' is not supported. Lucene is limited to standard, simple, keyword, or whitespace.", searchType.Analyzer, searchType.Name);
if (!fields.ContainsKey(field.Alias))
{
fields[field.Alias] = LuceneAnalyzerFactory.Create(searchType.Analyzer, version);
}
}
}
}
if (!fields.ContainsKey("TflBatchId"))
{
fields.Add("TflBatchId", new KeywordAnalyzer());
}
if (entity.Delete && !fields.ContainsKey("TflDeleted"))
{
fields.Add("TflDeleted", new KeywordAnalyzer());
}
return(fields);
}