| using Lucene.Net.Diagnostics; |
| |
| namespace Lucene.Net.Search |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| using BytesRef = Lucene.Net.Util.BytesRef; |
| |
| /// <summary> |
| /// Contains statistics for a specific term |
| /// <para/> |
| /// @lucene.experimental |
| /// </summary> |
| public class TermStatistics |
| { |
| private readonly BytesRef term; |
| private readonly long docFreq; |
| private readonly long totalTermFreq; |
| |
| /// <summary> |
| /// Sole constructor. |
| /// </summary> |
| public TermStatistics(BytesRef term, long docFreq, long totalTermFreq) |
| { |
| if (Debugging.AssertsEnabled) |
| { |
| Debugging.Assert(docFreq >= 0); |
| Debugging.Assert(totalTermFreq == -1 || totalTermFreq >= docFreq); // #positions must be >= #postings |
| } |
| this.term = term; |
| this.docFreq = docFreq; |
| this.totalTermFreq = totalTermFreq; |
| } |
| |
| /// <summary> |
| /// Returns the term text </summary> |
| public BytesRef Term => term; |
| |
| /// <summary> |
| /// Returns the number of documents this term occurs in </summary> |
| /// <seealso cref="Index.TermsEnum.DocFreq"/> |
| public long DocFreq => docFreq; |
| |
| /// <summary> |
| /// Returns the total number of occurrences of this term </summary> |
| /// <seealso cref="Index.TermsEnum.TotalTermFreq"/> |
| public long TotalTermFreq => totalTermFreq; |
| } |
| } |