当前位置: 首页>>代码示例>>C#>>正文


C# SegmentReader.TermPositions方法代码示例

本文整理汇总了C#中Lucene.Net.Index.SegmentReader.TermPositions方法的典型用法代码示例。如果您正苦于以下问题:C# SegmentReader.TermPositions方法的具体用法?C# SegmentReader.TermPositions怎么用?C# SegmentReader.TermPositions使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Lucene.Net.Index.SegmentReader的用法示例。


在下文中一共展示了SegmentReader.TermPositions方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: PrintSegment

		internal static void  PrintSegment(System.String segment)
		{
			Directory directory = FSDirectory.GetDirectory("test", false);
			SegmentReader reader = new SegmentReader(new SegmentInfo(segment, 1, directory));
			
			for (int i = 0; i < reader.NumDocs(); i++)
			{
				System.Console.Out.WriteLine(reader.Document(i));
			}
			
			TermEnum tis = reader.Terms();
			while (tis.Next())
			{
				System.Console.Out.Write(tis.Term());
				System.Console.Out.WriteLine(" DF=" + tis.DocFreq());
				
				TermPositions positions = reader.TermPositions(tis.Term());
				try
				{
					while (positions.Next())
					{
						System.Console.Out.Write(" doc=" + positions.Doc());
						System.Console.Out.Write(" TF=" + positions.Freq());
						System.Console.Out.Write(" pos=");
						System.Console.Out.Write(positions.NextPosition());
						for (int j = 1; j < positions.Freq(); j++)
							System.Console.Out.Write("," + positions.NextPosition());
						System.Console.Out.WriteLine("");
					}
				}
				finally
				{
					positions.Close();
				}
			}
			tis.Close();
			reader.Close();
			directory.Close();
		}
开发者ID:runefs,项目名称:Marvin,代码行数:39,代码来源:DocTest.cs

示例2: TestTermIndex

 /// <summary> Test the term index.</summary>
 private Status.TermIndexStatus TestTermIndex(SegmentInfo info, SegmentReader reader)
 {
     var status = new Status.TermIndexStatus();
     
     try
     {
         if (infoStream != null)
         {
             infoStream.Write("    test: terms, freq, prox...");
         }
         
         TermEnum termEnum = reader.Terms();
         TermPositions termPositions = reader.TermPositions();
         
         // Used only to count up # deleted docs for this term
         var myTermDocs = new MySegmentTermDocs(reader);
         
         int maxDoc = reader.MaxDoc;
         
         while (termEnum.Next())
         {
             status.termCount++;
             Term term = termEnum.Term;
             int docFreq = termEnum.DocFreq();
             termPositions.Seek(term);
             int lastDoc = - 1;
             int freq0 = 0;
             status.totFreq += docFreq;
             while (termPositions.Next())
             {
                 freq0++;
                 int doc = termPositions.Doc;
                 int freq = termPositions.Freq;
                 if (doc <= lastDoc)
                 {
                     throw new System.SystemException("term " + term + ": doc " + doc + " <= lastDoc " + lastDoc);
                 }
                 if (doc >= maxDoc)
                 {
                     throw new System.SystemException("term " + term + ": doc " + doc + " >= maxDoc " + maxDoc);
                 }
                 
                 lastDoc = doc;
                 if (freq <= 0)
                 {
                     throw new System.SystemException("term " + term + ": doc " + doc + ": freq " + freq + " is out of bounds");
                 }
                 
                 int lastPos = - 1;
                 status.totPos += freq;
                 for (int j = 0; j < freq; j++)
                 {
                     int pos = termPositions.NextPosition();
                     if (pos < - 1)
                     {
                         throw new System.SystemException("term " + term + ": doc " + doc + ": pos " + pos + " is out of bounds");
                     }
                     if (pos < lastPos)
                     {
                         throw new System.SystemException("term " + term + ": doc " + doc + ": pos " + pos + " < lastPos " + lastPos);
                     }
                     lastPos = pos;
                 }
             }
             
             // Now count how many deleted docs occurred in
             // this term:
             int delCount;
             if (reader.HasDeletions)
             {
                 myTermDocs.Seek(term);
                 while (myTermDocs.Next())
                 {
                 }
                 delCount = myTermDocs.delCount;
             }
             else
             {
                 delCount = 0;
             }
             
             if (freq0 + delCount != docFreq)
             {
                 throw new System.SystemException("term " + term + " docFreq=" + docFreq + " != num docs seen " + freq0 + " + num docs deleted " + delCount);
             }
         }
         
         Msg("OK [" + status.termCount + " terms; " + status.totFreq + " terms/docs pairs; " + status.totPos + " tokens]");
     }
     catch (System.Exception e)
     {
         Msg("ERROR [" + System.Convert.ToString(e.Message) + "]");
         status.error = e;
         if (infoStream != null)
         {
             infoStream.WriteLine(e.StackTrace);
         }
     }
     
//.........这里部分代码省略.........
开发者ID:Nangal,项目名称:lucene.net,代码行数:101,代码来源:CheckIndex.cs

示例3: PrintSegment

		private void  PrintSegment(System.IO.StringWriter out_Renamed, System.String segment)
		{
			Directory directory = FSDirectory.GetDirectory(indexDir, false);
			SegmentReader reader = new SegmentReader(new SegmentInfo(segment, 1, directory));
			
			for (int i = 0; i < reader.NumDocs(); i++)
			{
				out_Renamed.WriteLine(reader.Document(i));
			}
			
			TermEnum tis = reader.Terms();
			while (tis.Next())
			{
				out_Renamed.Write(tis.Term());
				out_Renamed.WriteLine(" DF=" + tis.DocFreq());
				
				TermPositions positions = reader.TermPositions(tis.Term());
				try
				{
					while (positions.Next())
					{
						out_Renamed.Write(" doc=" + positions.Doc());
						out_Renamed.Write(" TF=" + positions.Freq());
                        out_Renamed.Write(" pos=");
                        out_Renamed.Write(positions.NextPosition());
						for (int j = 1; j < positions.Freq(); j++)
							out_Renamed.Write("," + positions.NextPosition());
						out_Renamed.WriteLine("");
					}
				}
				finally
				{
					positions.Close();
				}
			}
			tis.Close();
			reader.Close();
			directory.Close();
		}
开发者ID:runefs,项目名称:Marvin,代码行数:39,代码来源:TestDoc.cs


注:本文中的Lucene.Net.Index.SegmentReader.TermPositions方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。