//fieldname MUST be interned prior to this call private static void GetTerms(Query query, System.Collections.Hashtable terms, bool prohibited, System.String fieldName) { try { if (query is BooleanQuery) { GetTermsFromBooleanQuery((BooleanQuery)query, terms, prohibited, fieldName); } else if (query is FilteredQuery) { GetTermsFromFilteredQuery((FilteredQuery)query, terms, prohibited, fieldName); } else { System.Collections.Hashtable nonWeightedTerms = new System.Collections.Hashtable(); query.ExtractTerms(nonWeightedTerms); System.Collections.IDictionaryEnumerator iter = nonWeightedTerms.GetEnumerator(); while (iter.MoveNext()) { Term term = (Term)iter.Value; if ((fieldName == null) || (term.Field() == fieldName)) { WeightedTerm temp = new WeightedTerm(query.GetBoost(), term.Text()); terms.Add(temp, temp); } } } } catch (System.NotSupportedException ignore) { //this is non-fatal for our purposes } }
public virtual void TestBoost() { StandardAnalyzer oneStopAnalyzer = new StandardAnalyzer(new System.String[] { "on" }); QueryParsers.QueryParser qp = new QueryParsers.QueryParser("Field", oneStopAnalyzer); Query q = qp.Parse("on^1.0"); Assert.IsNotNull(q); q = qp.Parse("\"hello\"^2.0"); Assert.IsNotNull(q); Assert.AreEqual(q.GetBoost(), (float)2.0, (float)0.5); q = qp.Parse("hello^2.0"); Assert.IsNotNull(q); Assert.AreEqual(q.GetBoost(), (float)2.0, (float)0.5); q = qp.Parse("\"on\"^1.0"); Assert.IsNotNull(q); q = QueryParsers.QueryParser.Parse("the^3", "Field", new StandardAnalyzer()); Assert.IsNotNull(q); }
private void QueryToSpanQuery(Query query, ICollection <byte[]> payloads) { if (query is BooleanQuery) { BooleanClause[] queryClauses = ((BooleanQuery)query).GetClauses(); for (int i = 0; i < queryClauses.Length; i++) { if (!queryClauses[i].IsProhibited()) { QueryToSpanQuery(queryClauses[i].GetQuery(), payloads); } } } else if (query is PhraseQuery) { Term[] phraseQueryTerms = ((PhraseQuery)query).GetTerms(); SpanQuery[] clauses = new SpanQuery[phraseQueryTerms.Length]; for (int i = 0; i < phraseQueryTerms.Length; i++) { clauses[i] = new SpanTermQuery(phraseQueryTerms[i]); } int slop = ((PhraseQuery)query).GetSlop(); bool inorder = false; if (slop == 0) { inorder = true; } SpanNearQuery sp = new SpanNearQuery(clauses, slop, inorder); sp.SetBoost(query.GetBoost()); GetPayloads(payloads, sp); } else if (query is TermQuery) { SpanTermQuery stq = new SpanTermQuery(((TermQuery)query).GetTerm()); stq.SetBoost(query.GetBoost()); GetPayloads(payloads, stq); } else if (query is SpanQuery) { GetPayloads(payloads, (SpanQuery)query); } else if (query is FilteredQuery) { QueryToSpanQuery(((FilteredQuery)query).GetQuery(), payloads); } else if (query is DisjunctionMaxQuery) { for (System.Collections.IEnumerator iterator = ((DisjunctionMaxQuery)query).Iterator(); iterator.MoveNext();) { QueryToSpanQuery((Query)iterator.Current, payloads); } } else if (query is MultiPhraseQuery) { MultiPhraseQuery mpq = (MultiPhraseQuery)query; System.Collections.IList termArrays = mpq.GetTermArrays(); int[] positions = mpq.GetPositions(); if (positions.Length > 0) { int maxPosition = positions[positions.Length - 1]; for (int i = 0; i < positions.Length - 1; ++i) { if (positions[i] > maxPosition) { maxPosition = positions[i]; } } System.Collections.ArrayList[] disjunctLists = new System.Collections.ArrayList[maxPosition + 1]; int distinctPositions = 0; for (int i = 0; i < termArrays.Count; ++i) { Term[] termArray = (Term[])termArrays[i]; System.Collections.ArrayList disjuncts = disjunctLists[positions[i]]; if (disjuncts == null) { disjuncts = (disjunctLists[positions[i]] = new System.Collections.ArrayList(termArray.Length)); ++distinctPositions; } for (int j = 0; j < termArray.Length; ++j) { disjuncts.Add(new SpanTermQuery(termArray[j])); } } int positionGaps = 0; int position = 0; SpanQuery[] clauses = new SpanQuery[distinctPositions]; for (int i = 0; i < disjunctLists.Length; ++i) { System.Collections.ArrayList disjuncts = disjunctLists[i]; if (disjuncts != null) { clauses[position++] = new SpanOrQuery((SpanQuery[])(disjuncts.ToArray(typeof(SpanQuery[])))); } else { ++positionGaps; } } int slop = mpq.GetSlop(); bool inorder = (slop == 0); SpanNearQuery sp = new SpanNearQuery(clauses, slop + positionGaps, inorder); sp.SetBoost(query.GetBoost()); GetPayloads(payloads, sp); } } }
private void QueryToSpanQuery(Query query, ICollection<byte[]> payloads) { if (query is BooleanQuery) { BooleanClause[] queryClauses = ((BooleanQuery) query).GetClauses(); for (int i = 0; i < queryClauses.Length; i++) { if (!queryClauses[i].IsProhibited()) { QueryToSpanQuery(queryClauses[i].GetQuery(), payloads); } } } else if (query is PhraseQuery) { Term[] phraseQueryTerms = ((PhraseQuery) query).GetTerms(); SpanQuery[] clauses = new SpanQuery[phraseQueryTerms.Length]; for (int i = 0; i < phraseQueryTerms.Length; i++) { clauses[i] = new SpanTermQuery(phraseQueryTerms[i]); } int slop = ((PhraseQuery) query).GetSlop(); bool inorder = false; if (slop == 0) { inorder = true; } SpanNearQuery sp = new SpanNearQuery(clauses, slop, inorder); sp.SetBoost(query.GetBoost()); GetPayloads(payloads, sp); } else if (query is TermQuery) { SpanTermQuery stq = new SpanTermQuery(((TermQuery) query).GetTerm()); stq.SetBoost(query.GetBoost()); GetPayloads(payloads, stq); } else if (query is SpanQuery) { GetPayloads(payloads, (SpanQuery) query); } else if (query is FilteredQuery) { QueryToSpanQuery(((FilteredQuery) query).GetQuery(), payloads); } else if (query is DisjunctionMaxQuery) { for (System.Collections.IEnumerator iterator = ((DisjunctionMaxQuery) query).Iterator(); iterator.MoveNext(); ) { QueryToSpanQuery((Query) iterator.Current, payloads); } } else if (query is MultiPhraseQuery) { MultiPhraseQuery mpq = (MultiPhraseQuery) query; System.Collections.IList termArrays = mpq.GetTermArrays(); int[] positions = mpq.GetPositions(); if (positions.Length > 0) { int maxPosition = positions[positions.Length - 1]; for (int i = 0; i < positions.Length - 1; ++i) { if (positions[i] > maxPosition) { maxPosition = positions[i]; } } System.Collections.ArrayList[] disjunctLists = new System.Collections.ArrayList[maxPosition + 1]; int distinctPositions = 0; for (int i = 0; i < termArrays.Count; ++i) { Term[] termArray = (Term[]) termArrays[i]; System.Collections.IList disjuncts = disjunctLists[positions[i]]; if (disjuncts == null) { disjuncts = (disjunctLists[positions[i]] = new System.Collections.ArrayList(termArray.Length)); ++distinctPositions; } for (int j = 0; j < termArray.Length; ++j) { disjuncts.Add(new SpanTermQuery(termArray[j])); } } int positionGaps = 0; int position = 0; SpanQuery[] clauses = new SpanQuery[distinctPositions]; for (int i = 0; i < disjunctLists.Length; ++i) { System.Collections.ArrayList disjuncts = disjunctLists[i]; if (disjuncts != null) { clauses[position++] = new SpanOrQuery((SpanQuery[]) (disjuncts.ToArray(typeof(SpanQuery[])))); } else { ++positionGaps; } } int slop = mpq.GetSlop(); bool inorder = (slop == 0); SpanNearQuery sp = new SpanNearQuery(clauses, slop + positionGaps, inorder); sp.SetBoost(query.GetBoost()); GetPayloads(payloads, sp); } } }
//fieldname MUST be interned prior to this call private static void GetTerms(Query query, System.Collections.Hashtable terms, bool prohibited, System.String fieldName) { try { if (query is BooleanQuery) GetTermsFromBooleanQuery((BooleanQuery) query, terms, prohibited, fieldName); else if (query is FilteredQuery) GetTermsFromFilteredQuery((FilteredQuery) query, terms, prohibited, fieldName); else { System.Collections.Hashtable nonWeightedTerms = new System.Collections.Hashtable(); query.ExtractTerms(nonWeightedTerms); System.Collections.IDictionaryEnumerator iter = nonWeightedTerms.GetEnumerator(); while (iter.MoveNext()) { Term term = (Term)iter.Value; if ((fieldName == null) || (term.Field() == fieldName)) { WeightedTerm temp = new WeightedTerm(query.GetBoost(), term.Text()); terms.Add(temp, temp); } } } } catch (System.NotSupportedException ignore) { //this is non-fatal for our purposes } }