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C# SegmentInfo.GetDocStoreOffset方法代码示例

本文整理汇总了C#中Lucene.Net.Index.SegmentInfo.GetDocStoreOffset方法的典型用法代码示例。如果您正苦于以下问题:C# SegmentInfo.GetDocStoreOffset方法的具体用法?C# SegmentInfo.GetDocStoreOffset怎么用?C# SegmentInfo.GetDocStoreOffset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.SegmentInfo的用法示例。


在下文中一共展示了SegmentInfo.GetDocStoreOffset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: ReopenSegment

        internal virtual SegmentReader ReopenSegment(SegmentInfo si)
        {
            lock (this)
            {
                bool deletionsUpToDate = (this.si.HasDeletions() == si.HasDeletions()) && (!si.HasDeletions() || this.si.GetDelFileName().Equals(si.GetDelFileName()));
                bool normsUpToDate = true;

                bool[] fieldNormsChanged = new bool[fieldInfos.Size()];
                if (normsUpToDate)
                {
                    for (int i = 0; i < fieldInfos.Size(); i++)
                    {
                        if (!this.si.GetNormFileName(i).Equals(si.GetNormFileName(i)))
                        {
                            normsUpToDate = false;
                            fieldNormsChanged[i] = true;
                        }
                    }
                }

                if (normsUpToDate && deletionsUpToDate)
                {
                    return this;
                }

                // clone reader
                SegmentReader clone;
                if (readOnly)
                    clone = new ReadOnlySegmentReader();
                else
                    clone = new SegmentReader();

                bool success = false;
                try
                {
                    clone.readOnly = readOnly;
                    clone.directory = directory;
                    clone.si = si;
                    clone.segment = segment;
                    clone.readBufferSize = readBufferSize;
                    clone.cfsReader = cfsReader;
                    clone.storeCFSReader = storeCFSReader;

                    clone.fieldInfos = fieldInfos;
                    clone.tis = tis;
                    clone.freqStream = freqStream;
                    clone.proxStream = proxStream;
                    clone.termVectorsReaderOrig = termVectorsReaderOrig;

                    // we have to open a new FieldsReader, because it is not thread-safe
                    // and can thus not be shared among multiple SegmentReaders
                    // TODO: Change this in case FieldsReader becomes thread-safe in the future
                    System.String fieldsSegment;

                    Directory storeDir = Directory();

                    if (si.GetDocStoreOffset() != - 1)
                    {
                        fieldsSegment = si.GetDocStoreSegment();
                        if (storeCFSReader != null)
                        {
                            storeDir = storeCFSReader;
                        }
                    }
                    else
                    {
                        fieldsSegment = segment;
                        if (cfsReader != null)
                        {
                            storeDir = cfsReader;
                        }
                    }

                    if (fieldsReader != null)
                    {
                        clone.fieldsReader = new FieldsReader(storeDir, fieldsSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
                    }

                    if (!deletionsUpToDate)
                    {
                        // load deleted docs
                        clone.deletedDocs = null;
                        clone.LoadDeletedDocs();
                    }
                    else
                    {
                        clone.deletedDocs = this.deletedDocs;
                    }

                    clone.norms = new System.Collections.Hashtable();
                    if (!normsUpToDate)
                    {
                        // load norms
                        for (int i = 0; i < fieldNormsChanged.Length; i++)
                        {
                            // copy unchanged norms to the cloned reader and incRef those norms
                            if (!fieldNormsChanged[i])
                            {
                                System.String curField = fieldInfos.FieldInfo(i).name;
                                Norm norm = (Norm) this.norms[curField];
//.........这里部分代码省略.........
开发者ID:cqm0609,项目名称:lucene-file-finder,代码行数:101,代码来源:SegmentReader.cs

示例2: OpenDocStores

			internal void  OpenDocStores(SegmentInfo si)
			{
				lock (this)
				{
					
					System.Diagnostics.Debug.Assert(si.name.Equals(segment));
					
					if (fieldsReaderOrig == null)
					{
						Directory storeDir;
						if (si.GetDocStoreOffset() != - 1)
						{
							if (si.GetDocStoreIsCompoundFile())
							{
								System.Diagnostics.Debug.Assert(storeCFSReader == null);
								storeCFSReader = new CompoundFileReader(dir, si.GetDocStoreSegment() + "." + IndexFileNames.COMPOUND_FILE_STORE_EXTENSION, readBufferSize);
								storeDir = storeCFSReader;
								System.Diagnostics.Debug.Assert(storeDir != null);
							}
							else
							{
								storeDir = dir;
								System.Diagnostics.Debug.Assert(storeDir != null);
							}
						}
						else if (si.GetUseCompoundFile())
						{
							// In some cases, we were originally opened when CFS
							// was not used, but then we are asked to open doc
							// stores after the segment has switched to CFS
							if (cfsReader == null)
							{
								cfsReader = new CompoundFileReader(dir, segment + "." + IndexFileNames.COMPOUND_FILE_EXTENSION, readBufferSize);
							}
							storeDir = cfsReader;
							System.Diagnostics.Debug.Assert(storeDir != null);
						}
						else
						{
							storeDir = dir;
							System.Diagnostics.Debug.Assert(storeDir != null);
						}
						
						System.String storesSegment;
						if (si.GetDocStoreOffset() != - 1)
						{
							storesSegment = si.GetDocStoreSegment();
						}
						else
						{
							storesSegment = segment;
						}
						
						fieldsReaderOrig = new FieldsReader(storeDir, storesSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
						
						// Verify two sources of "maxDoc" agree:
						if (si.GetDocStoreOffset() == - 1 && fieldsReaderOrig.Size() != si.docCount)
						{
							throw new CorruptIndexException("doc counts differ for segment " + segment + ": fieldsReader shows " + fieldsReaderOrig.Size() + " but segmentInfo shows " + si.docCount);
						}
						
						if (fieldInfos.HasVectors())
						{
							// open term vector files only as needed
							termVectorsReaderOrig = new TermVectorsReader(storeDir, storesSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
						}
					}
				}
			}
开发者ID:nzdunic,项目名称:ravendb,代码行数:69,代码来源:SegmentReader.cs

示例3: Initialize

        private void Initialize(SegmentInfo si, int readBufferSize, bool doOpenStores)
        {
            segment = si.name;
            this.si = si;
            this.readBufferSize = readBufferSize;

            bool success = false;

            try
            {
                // Use compound file directory for some files, if it exists
                Directory cfsDir = Directory();
                if (si.GetUseCompoundFile())
                {
                    cfsReader = new CompoundFileReader(Directory(), segment + "." + IndexFileNames.COMPOUND_FILE_EXTENSION, readBufferSize);
                    cfsDir = cfsReader;
                }

                Directory storeDir;

                if (doOpenStores)
                {
                    if (si.GetDocStoreOffset() != - 1)
                    {
                        if (si.GetDocStoreIsCompoundFile())
                        {
                            storeCFSReader = new CompoundFileReader(Directory(), si.GetDocStoreSegment() + "." + IndexFileNames.COMPOUND_FILE_STORE_EXTENSION, readBufferSize);
                            storeDir = storeCFSReader;
                        }
                        else
                        {
                            storeDir = Directory();
                        }
                    }
                    else
                    {
                        storeDir = cfsDir;
                    }
                }
                else
                    storeDir = null;

                fieldInfos = new FieldInfos(cfsDir, segment + ".fnm");

                bool anyProx = false;
                int numFields = fieldInfos.Size();
                for (int i = 0; !anyProx && i < numFields; i++)
                    if (!fieldInfos.FieldInfo(i).omitTf)
                        anyProx = true;

                System.String fieldsSegment;

                if (si.GetDocStoreOffset() != - 1)
                    fieldsSegment = si.GetDocStoreSegment();
                else
                    fieldsSegment = segment;

                if (doOpenStores)
                {
                    fieldsReader = new FieldsReader(storeDir, fieldsSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);

                    // Verify two sources of "maxDoc" agree:
                    if (si.GetDocStoreOffset() == - 1 && fieldsReader.Size() != si.docCount)
                    {
                        throw new CorruptIndexException("doc counts differ for segment " + si.name + ": fieldsReader shows " + fieldsReader.Size() + " but segmentInfo shows " + si.docCount);
                    }
                }

                tis = new TermInfosReader(cfsDir, segment, fieldInfos, readBufferSize);

                LoadDeletedDocs();

                // make sure that all index files have been read or are kept open
                // so that if an index update removes them we'll still have them
                freqStream = cfsDir.OpenInput(segment + ".frq", readBufferSize);
                if (anyProx)
                    proxStream = cfsDir.OpenInput(segment + ".prx", readBufferSize);
                OpenNorms(cfsDir, readBufferSize);

                if (doOpenStores && fieldInfos.HasVectors())
                {
                    // open term vector files only as needed
                    System.String vectorsSegment;
                    if (si.GetDocStoreOffset() != - 1)
                        vectorsSegment = si.GetDocStoreSegment();
                    else
                        vectorsSegment = segment;
                    termVectorsReaderOrig = new TermVectorsReader(storeDir, vectorsSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
                }
                success = true;
            }
            finally
            {

                // With lock-less commits, it's entirely possible (and
                // fine) to hit a FileNotFound exception above.  In
                // this case, we want to explicitly close any subset
                // of things that were opened so that we don't have to
                // wait for a GC to do so.
                if (!success)
//.........这里部分代码省略.........
开发者ID:cqm0609,项目名称:lucene-file-finder,代码行数:101,代码来源:SegmentReader.cs


注:本文中的Lucene.Net.Index.SegmentInfo.GetDocStoreOffset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。