/// <summary>
/// get the specified analyzer
/// </summary>
/// <param name="indexerAnalyzer"></param>
/// <param name="isSub"></param>
/// <returns></returns>
protected Analyzer GetAnalyzer(IndexerAnalyzer indexerAnalyzer, bool isSub)
{
Analyzer analyzer = null;
switch (indexerAnalyzer)
{
case IndexerAnalyzer.KeywordAnalyzer:
analyzer = new KeywordAnalyzer();
break;
case IndexerAnalyzer.PerFieldAnalyzerWrapper:
if (!isSub)
{
analyzer = new PerFieldAnalyzerWrapper(new Lucene.Net.Analysis.Standard.StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30));
}
else
{
analyzer = new Lucene.Net.Analysis.Standard.StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
}
break;
case IndexerAnalyzer.SimpleAnalyzer:
analyzer = new SimpleAnalyzer();
break;
case IndexerAnalyzer.StopAnalyzer:
analyzer = new StopAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
break;
case IndexerAnalyzer.WhitespaceAnalyzer:
analyzer = new WhitespaceAnalyzer();
break;
case IndexerAnalyzer.StandardAnalyzer:
default:
analyzer = new Lucene.Net.Analysis.Standard.StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
break;
}
if (isSub)
{
}
return(analyzer);
}
/// <summary>
/// constructor
/// </summary>
/// <param name="indexFullPath"></param>
/// <param name="indexMode"></param>
/// <param name="indexerDocumentUniqueIdentifier"></param>
/// <param name="analyzer"></param>
/// <param name="dataItemHandler"></param>
/// <param name="perFieldAnalyzers"></param>
public ISIndexer(string indexFullPath, IndexerStorageMode indexMode, string indexerDocumentUniqueIdentifier, IndexerAnalyzer analyzer, Dictionary <string, IndexerAnalyzer> perFieldAnalyzers = null)
{
this.indexMode = indexMode;
if (analyzer != IndexerAnalyzer.PerFieldAnalyzerWrapper)
{
this.analyzer = GetAnalyzer(analyzer, false);
}
else
{
this.analyzer = GetAnalyzer(analyzer, false);
if (perFieldAnalyzers != null)
{
foreach (KeyValuePair <string, IndexerAnalyzer> kvp in perFieldAnalyzers)
{
(this.analyzer as PerFieldAnalyzerWrapper).AddAnalyzer(kvp.Key, GetAnalyzer(kvp.Value, true));
}
}
}
if (!String.IsNullOrEmpty(indexFullPath))
{
this.luceneIndexFullPath = Path.GetFullPath(indexFullPath);
}
if (luceneIndexDirectory == null)
{
throw new System.IO.IOException("unable to setup indexing folder");
}
if (!String.IsNullOrEmpty(indexerDocumentUniqueIdentifier))
{
this.indexerDocumentUniqueIdentifierFieldName = indexerDocumentUniqueIdentifier;
}
this.indexSearcher = new IndexSearcher(luceneIndexDirectory, true);
this.OnIndexSearcherUpdateRequested += IndexSearcherUpdater;
this.MaxSearchHits = 1000; // DEFAULT
}
/// <summary>
/// constructor
/// </summary>
/// <param name="indexFullPath"></param>
/// <param name="indexMode"></param>
/// <param name="analyzer"></param>
/// <param name="dataItemHandler"></param>
/// <param name="perFieldAnalyzers"></param>
public ISIndexer(string indexFullPath, IndexerStorageMode indexMode, IndexerAnalyzer analyzer, Dictionary <string, IndexerAnalyzer> perFieldAnalyzers = null)
: this(indexFullPath, indexMode, null, analyzer, perFieldAnalyzers)
{
}