| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| using System.Linq; |
| |
| namespace Lucene.Net.Benchmarks.Quality.Trec |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Read topics of TREC 1MQ track. |
| /// <para/> |
| /// Expects this topic format - |
| /// <code> |
| /// qnum:qtext |
| /// </code> |
| /// Comment lines starting with '#' are ignored. |
| /// <para/> |
| /// All topics will have a single name value pair. |
| /// </summary> |
| public class Trec1MQReader |
| { |
| private string name; |
| |
| /// <summary> |
| /// Constructor for Trec's 1MQ TopicsReader |
| /// </summary> |
| /// <param name="name">Name of name-value pair to set for all queries.</param> |
| public Trec1MQReader(string name) |
| : base() |
| { |
| this.name = name; |
| } |
| |
| /// <summary> |
| /// Read quality queries from trec 1MQ format topics file. |
| /// </summary> |
| /// <param name="reader">where queries are read from.</param> |
| /// <returns>the result quality queries.</returns> |
| /// <exception cref="IOException">if cannot read the queries.</exception> |
| public virtual QualityQuery[] ReadQueries(TextReader reader) |
| { |
| IList<QualityQuery> res = new List<QualityQuery>(); |
| string line; |
| try |
| { |
| while (null != (line = reader.ReadLine())) |
| { |
| line = line.Trim(); |
| if (line.StartsWith("#", StringComparison.Ordinal)) |
| { |
| continue; |
| } |
| // id |
| int k = line.IndexOf(':'); |
| string id = line.Substring(0, k - 0).Trim(); |
| // qtext |
| string qtext = line.Substring(k + 1).Trim(); |
| // we got a topic! |
| IDictionary<string, string> fields = new Dictionary<string, string>(); |
| fields[name] = qtext; |
| //System.out.println("id: "+id+" qtext: "+qtext+" line: "+line); |
| QualityQuery topic = new QualityQuery(id, fields); |
| res.Add(topic); |
| } |
| } |
| finally |
| { |
| reader.Dispose(); |
| } |
| // sort result array (by ID) |
| QualityQuery[] qq = res.ToArray(); |
| Array.Sort(qq); |
| return qq; |
| } |
| } |
| } |