/// <summary> Defines an analyzer to use for the specified Field.
///
/// </summary>
/// <param name="fieldName">Field name requiring a non-default analyzer.
/// </param>
/// <param name="analyzer">non-default analyzer to use for Field
/// </param>
public virtual void AddAnalyzer(System.String fieldName, Analyzer analyzer)
{
analyzerMap[fieldName] = analyzer;
}
/// <summary> Constructs with default analyzer.
///
/// </summary>
/// <param name="defaultAnalyzer">Any fields not specifically
/// defined to use a different analyzer will use the one provided here.
/// </param>
public PerFieldAnalyzerWrapper(Analyzer defaultAnalyzer)
{
this.defaultAnalyzer = defaultAnalyzer;
}
/// <summary> Note that parameter analyzer is ignored. Calls inside the parser always
/// use class member analyser. This method will be deprecated and substituted
/// by {@link #GetRangeQuery(String, String, String, boolean)} in future versions of Lucene.
/// Currently overwriting either of these methods works.
///
/// </summary>
/// <exception cref=""> ParseException throw in overridden method to disallow
/// </exception>
protected internal virtual Query GetRangeQuery(System.String field, Analyzer analyzer, System.String part1, System.String part2, bool inclusive)
{
return GetRangeQuery(field, part1, part2, inclusive);
}
/// <summary> Base implementation delegates to {@link #GetFieldQuery(String, Analyzer, String)}.
/// This method may be overwritten, for example, to return
/// a SpanNearQuery instead of a PhraseQuery.
///
/// Note that parameter analyzer is ignored. Calls inside the parser always
/// use class member analyser. This method will be deprecated and substituted
/// by {@link #GetFieldQuery(String, String, int)} in future versions of Lucene.
/// Currently overwriting either of these methods works.
///
/// </summary>
/// <exception cref=""> ParseException throw in overridden method to disallow
/// </exception>
protected internal virtual Query GetFieldQuery(System.String field, Analyzer analyzer, System.String queryText, int slop)
{
return GetFieldQuery(field, queryText, slop);
}
/// <summary>Constructs a query parser.</summary>
/// <param name="f"> the default Field for query terms.
/// </param>
/// <param name="a"> used to find terms in the query text.
/// </param>
public QueryParser(System.String f, Analyzer a) : this(new FastCharStream(new System.IO.StringReader("")))
{
analyzer = a;
field = f;
}
/// <summary>Parses a query string, returning a {@link Monodoc.Lucene.Net.Search.Query}.</summary>
/// <param name="query"> the query string to be parsed.
/// </param>
/// <param name="field"> the default Field for query terms.
/// </param>
/// <param name="analyzer"> used to find terms in the query text.
/// </param>
/// <throws> ParseException if the parsing fails </throws>
static public Query Parse(System.String query, System.String field, Analyzer analyzer)
{
QueryParser parser = new QueryParser(field, analyzer);
return parser.Parse(Escape(query));
}