/// <summary> Builds a new PrefixQuery instance</summary> /// <param name="prefix">Prefix term /// </param> /// <returns> new PrefixQuery instance /// </returns> protected internal virtual Query NewPrefixQuery(Term prefix) { PrefixQuery query = new PrefixQuery(prefix); query.SetRewriteMethod(multiTermRewriteMethod); return query; }
public static Lucene.Net.Search.Query ConvertQueryToLuceneQuery(Query query) { if (query == null) { throw new ArgumentNullException("query"); } Lucene.Net.Search.Query lQuery; if (query is MatchAllDocsQuery) { var lMatchAllDocsQuery = new Lucene.Net.Search.MatchAllDocsQuery(); lQuery = lMatchAllDocsQuery; } else if (query is TermQuery) { var termQuery = query as TermQuery; var term = Term.ConvertToLuceneTerm(termQuery.Term); lQuery = new Lucene.Net.Search.TermQuery(term); } else if (query is TermRangeQuery) { var termRangeQuery = query as TermRangeQuery; var lTermRangeQuery = new Lucene.Net.Search.TermRangeQuery(termRangeQuery.FieldName, termRangeQuery.LowerTerm, termRangeQuery.UpperTerm, termRangeQuery.LowerInclusive, termRangeQuery.UpperInclusive); lQuery = lTermRangeQuery; } else if (query is PhraseQuery) { var phraseQuery = query as PhraseQuery; var lPhraseQuery = new Lucene.Net.Search.PhraseQuery(); foreach (var term in phraseQuery.Terms) { var lTerm = Term.ConvertToLuceneTerm(term); lPhraseQuery.Add(lTerm); } if (phraseQuery.Slop.HasValue) { lPhraseQuery.Slop = phraseQuery.Slop.Value; } lQuery = lPhraseQuery; } else if (query is PrefixQuery) { var prefixQuery = query as PrefixQuery; var term = Term.ConvertToLuceneTerm(prefixQuery.Term); var lPrefixQuery = new Lucene.Net.Search.PrefixQuery(term); lQuery = lPrefixQuery; } else if (query is RegexQuery) { var regexQuery = query as RegexQuery; var term = Term.ConvertToLuceneTerm(regexQuery.Term); var lRegexQuery = new Contrib.Regex.RegexQuery(term); lQuery = lRegexQuery; } else if (query is FuzzyQuery) { var fuzzyQuery = query as FuzzyQuery; var term = Term.ConvertToLuceneTerm(fuzzyQuery.Term); var lFuzzyQuery = new Lucene.Net.Search.FuzzyQuery(term); lQuery = lFuzzyQuery; } else if (query is BooleanQuery) { var booleanQuery = query as BooleanQuery; var lBooleanQuery = new Lucene.Net.Search.BooleanQuery(); foreach (var clause in booleanQuery.Clauses) { var lNestedQuery = Query.ConvertQueryToLuceneQuery(clause.Query); Lucene.Net.Search.Occur lOccur; switch (clause.Occur) { case Occur.Must: lOccur = Lucene.Net.Search.Occur.MUST; break; case Occur.MustNot: lOccur = Lucene.Net.Search.Occur.MUST_NOT; break; case Occur.Should: lOccur = Lucene.Net.Search.Occur.SHOULD; break; default: throw new InvalidOperationException("Occur not implemented or defined."); } var lClause = new Lucene.Net.Search.BooleanClause(lNestedQuery, lOccur); lBooleanQuery.Add(lClause); } if (booleanQuery.MinimumNumberShouldMatch.HasValue) { lBooleanQuery.MinimumNumberShouldMatch = booleanQuery.MinimumNumberShouldMatch.Value; } lQuery = lBooleanQuery; } else if (query is WildcardQuery) { var wildcardQuery = query as WildcardQuery; var lTerm = Term.ConvertToLuceneTerm(wildcardQuery.Term); var lWildcardQuery = new Lucene.Net.Search.WildcardQuery(lTerm); lQuery = lWildcardQuery; } else if (query is DoubleNumericRangeQuery) { var doubleNumericRangeQuery = query as DoubleNumericRangeQuery; var ldoubleNumericRangeQuery = Lucene.Net.Search.NumericRangeQuery.NewDoubleRange( doubleNumericRangeQuery.FieldName, doubleNumericRangeQuery.Min, doubleNumericRangeQuery.Max, doubleNumericRangeQuery.MinInclusive, doubleNumericRangeQuery.MaxInclusive); lQuery = ldoubleNumericRangeQuery; } else if (query is FloatNumericRangeQuery) { var floatNumericRangeQuery = query as FloatNumericRangeQuery; var lfloatNumericRangeQuery = Lucene.Net.Search.NumericRangeQuery.NewFloatRange( floatNumericRangeQuery.FieldName, floatNumericRangeQuery.Min, floatNumericRangeQuery.Max, floatNumericRangeQuery.MinInclusive, floatNumericRangeQuery.MaxInclusive); lQuery = lfloatNumericRangeQuery; } else if (query is IntNumericRangeQuery) { var intNumericRangeQuery = query as IntNumericRangeQuery; var lintNumericRangeQuery = Lucene.Net.Search.NumericRangeQuery.NewIntRange( intNumericRangeQuery.FieldName, intNumericRangeQuery.Min, intNumericRangeQuery.Max, intNumericRangeQuery.MinInclusive, intNumericRangeQuery.MaxInclusive); lQuery = lintNumericRangeQuery; } else if (query is LongNumericRangeQuery) { var longNumericRangeQuery = query as LongNumericRangeQuery; var llongNumericRangeQuery = Lucene.Net.Search.NumericRangeQuery.NewLongRange( longNumericRangeQuery.FieldName, longNumericRangeQuery.Min, longNumericRangeQuery.Max, longNumericRangeQuery.MinInclusive, longNumericRangeQuery.MaxInclusive); lQuery = llongNumericRangeQuery; } else if (query is QueryParserQuery) { var queryParserQuery = query as QueryParserQuery; var queryParser = new Lucene.Net.QueryParsers.QueryParser(Version.LUCENE_30, queryParserQuery.DefaultField, new StandardAnalyzer(Version.LUCENE_30)) { AllowLeadingWildcard = queryParserQuery.AllowLeadingWildcard }; lQuery = queryParser.Parse(queryParserQuery.Query); } else if (query is MultiFieldQueryParserQuery) { var multiFieldQueryParserQuery = query as MultiFieldQueryParserQuery; if (multiFieldQueryParserQuery.FieldNames == null) { multiFieldQueryParserQuery.FieldNames = new List <string>(); } var queryParser = new Lucene.Net.QueryParsers.MultiFieldQueryParser(Lucene.Net.Util.Version.LUCENE_30, multiFieldQueryParserQuery.FieldNames.ToArray(), new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30)); lQuery = queryParser.Parse(multiFieldQueryParserQuery.Query); } else { throw new ArgumentException(@"Unknown or invalid query object", "query"); } if (query.Boost.HasValue) { lQuery.Boost = query.Boost.Value; } return(lQuery); }