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| <h1 id="Lucene_Net_Index_ParallelCompositeReader" data-uid="Lucene.Net.Index.ParallelCompositeReader" class="text-break">Class ParallelCompositeReader |
| </h1> |
| <div class="markdown level0 summary"><p>A <a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a> which reads multiple, parallel indexes. Each index added |
| must have the same number of documents, and exactly the same hierarchical subreader structure, |
| but typically each contains different fields. Deletions are taken from the first reader. |
| Each document contains the union of the fields of all |
| documents with the same document number. When searching, matches for a |
| query term are from the first index added that has the field.</p> |
| <p><p>This is useful, e.g., with collections that have large fields which |
| change rarely and small fields that change more frequently. The smaller |
| fields may be re-indexed in a new index and both indexes may be searched |
| together.</p> |
| <p><p><strong>Warning:</strong> It is up to you to make sure all indexes |
| are created and modified the same way. For example, if you add |
| documents to one index, you need to add the same documents in the |
| same order to the other indexes. <em>Failure to do so will result in |
| undefined behavior</em>. |
| A good strategy to create suitable indexes with <a class="xref" href="Lucene.Net.Index.IndexWriter.html">IndexWriter</a> is to use |
| <a class="xref" href="Lucene.Net.Index.LogDocMergePolicy.html">LogDocMergePolicy</a>, as this one does not reorder documents |
| during merging (like <a class="xref" href="Lucene.Net.Index.TieredMergePolicy.html">TieredMergePolicy</a>) and triggers merges |
| by number of documents per segment. If you use different <a class="xref" href="Lucene.Net.Index.MergePolicy.html">MergePolicy</a>s |
| it might happen that the segment structure of your index is no longer predictable.</p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="inheritance"> |
| <h5>Inheritance</h5> |
| <div class="level0"><span class="xref">System.Object</span></div> |
| <div class="level1"><a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a></div> |
| <div class="level2"><a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html">BaseCompositeReader</a><<a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a>></div> |
| <div class="level4"><span class="xref">ParallelCompositeReader</span></div> |
| </div> |
| <div classs="implements"> |
| <h5>Implements</h5> |
| <div><span class="xref">System.IDisposable</span></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_GetTermVectors_System_Int32_">BaseCompositeReader<IndexReader>.GetTermVectors(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_NumDocs">BaseCompositeReader<IndexReader>.NumDocs</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_MaxDoc">BaseCompositeReader<IndexReader>.MaxDoc</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_Document_System_Int32_Lucene_Net_Index_StoredFieldVisitor_">BaseCompositeReader<IndexReader>.Document(Int32, StoredFieldVisitor)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_DocFreq_Lucene_Net_Index_Term_">BaseCompositeReader<IndexReader>.DocFreq(Term)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_TotalTermFreq_Lucene_Net_Index_Term_">BaseCompositeReader<IndexReader>.TotalTermFreq(Term)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_GetSumDocFreq_System_String_">BaseCompositeReader<IndexReader>.GetSumDocFreq(String)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_GetDocCount_System_String_">BaseCompositeReader<IndexReader>.GetDocCount(String)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_GetSumTotalTermFreq_System_String_">BaseCompositeReader<IndexReader>.GetSumTotalTermFreq(String)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_ReaderIndex_System_Int32_">BaseCompositeReader<IndexReader>.ReaderIndex(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_ReaderBase_System_Int32_">BaseCompositeReader<IndexReader>.ReaderBase(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.BaseCompositeReader-1.html#Lucene_Net_Index_BaseCompositeReader_1_GetSequentialSubReaders">BaseCompositeReader<IndexReader>.GetSequentialSubReaders()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.CompositeReader.html#Lucene_Net_Index_CompositeReader_ToString">CompositeReader.ToString()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.CompositeReader.html#Lucene_Net_Index_CompositeReader_Context">CompositeReader.Context</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_AddReaderClosedListener_Lucene_Net_Index_IndexReader_IReaderClosedListener_">IndexReader.AddReaderClosedListener(IndexReader.IReaderClosedListener)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_RemoveReaderClosedListener_Lucene_Net_Index_IndexReader_IReaderClosedListener_">IndexReader.RemoveReaderClosedListener(IndexReader.IReaderClosedListener)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_RegisterParentReader_Lucene_Net_Index_IndexReader_">IndexReader.RegisterParentReader(IndexReader)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_RefCount">IndexReader.RefCount</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_IncRef">IndexReader.IncRef()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_TryIncRef">IndexReader.TryIncRef()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_DecRef">IndexReader.DecRef()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_EnsureOpen">IndexReader.EnsureOpen()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Equals_System_Object_">IndexReader.Equals(Object)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_GetHashCode">IndexReader.GetHashCode()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Open_Lucene_Net_Store_Directory_">IndexReader.Open(Directory)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Open_Lucene_Net_Store_Directory_System_Int32_">IndexReader.Open(Directory, Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Open_Lucene_Net_Index_IndexWriter_System_Boolean_">IndexReader.Open(IndexWriter, Boolean)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Open_Lucene_Net_Index_IndexCommit_">IndexReader.Open(IndexCommit)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Open_Lucene_Net_Index_IndexCommit_System_Int32_">IndexReader.Open(IndexCommit, Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_GetTermVector_System_Int32_System_String_">IndexReader.GetTermVector(Int32, String)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_NumDeletedDocs">IndexReader.NumDeletedDocs</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Document_System_Int32_">IndexReader.Document(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Document_System_Int32_System_Collections_Generic_ISet_System_String__">IndexReader.Document(Int32, ISet<String>)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_HasDeletions">IndexReader.HasDeletions</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Dispose">IndexReader.Dispose()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Dispose_System_Boolean_">IndexReader.Dispose(Boolean)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Leaves">IndexReader.Leaves</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_CoreCacheKey">IndexReader.CoreCacheKey</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_CombinedCoreAndDeletesKey">IndexReader.CombinedCoreAndDeletesKey</a> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object, System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.GetType()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.MemberwiseClone()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Index.html">Lucene.Net.Index</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.dll</h6> |
| <h5 id="Lucene_Net_Index_ParallelCompositeReader_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public class ParallelCompositeReader : BaseCompositeReader<IndexReader>, IDisposable</code></pre> |
| </div> |
| <h3 id="constructors">Constructors |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_ParallelCompositeReader__ctor_Lucene_Net_Index_CompositeReader___.md&value=---%0Auid%3A%20Lucene.Net.Index.ParallelCompositeReader.%23ctor(Lucene.Net.Index.CompositeReader%5B%5D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/ParallelCompositeReader.cs/#L61">View Source</a> |
| </span> |
| <a id="Lucene_Net_Index_ParallelCompositeReader__ctor_" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor*"></a> |
| <h4 id="Lucene_Net_Index_ParallelCompositeReader__ctor_Lucene_Net_Index_CompositeReader___" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor(Lucene.Net.Index.CompositeReader[])">ParallelCompositeReader(CompositeReader[])</h4> |
| <div class="markdown level1 summary"><p>Create a <a class="xref" href="Lucene.Net.Index.ParallelCompositeReader.html">ParallelCompositeReader</a> based on the provided |
| readers; auto-disposes the given <code data-dev-comment-type="paramref" class="paramref">readers</code> on <a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_Dispose">Dispose()</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public ParallelCompositeReader(params CompositeReader[] readers)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a>[]</td> |
| <td><span class="parametername">readers</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_ParallelCompositeReader__ctor_System_Boolean_Lucene_Net_Index_CompositeReader___.md&value=---%0Auid%3A%20Lucene.Net.Index.ParallelCompositeReader.%23ctor(System.Boolean%2CLucene.Net.Index.CompositeReader%5B%5D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/ParallelCompositeReader.cs/#L70">View Source</a> |
| </span> |
| <a id="Lucene_Net_Index_ParallelCompositeReader__ctor_" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor*"></a> |
| <h4 id="Lucene_Net_Index_ParallelCompositeReader__ctor_System_Boolean_Lucene_Net_Index_CompositeReader___" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor(System.Boolean,Lucene.Net.Index.CompositeReader[])">ParallelCompositeReader(Boolean, CompositeReader[])</h4> |
| <div class="markdown level1 summary"><p>Create a <a class="xref" href="Lucene.Net.Index.ParallelCompositeReader.html">ParallelCompositeReader</a> based on the provided |
| <code data-dev-comment-type="paramref" class="paramref">readers</code>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public ParallelCompositeReader(bool closeSubReaders, params CompositeReader[] readers)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td><span class="parametername">closeSubReaders</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a>[]</td> |
| <td><span class="parametername">readers</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_ParallelCompositeReader__ctor_System_Boolean_Lucene_Net_Index_CompositeReader___Lucene_Net_Index_CompositeReader___.md&value=---%0Auid%3A%20Lucene.Net.Index.ParallelCompositeReader.%23ctor(System.Boolean%2CLucene.Net.Index.CompositeReader%5B%5D%2CLucene.Net.Index.CompositeReader%5B%5D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/ParallelCompositeReader.cs/#L80">View Source</a> |
| </span> |
| <a id="Lucene_Net_Index_ParallelCompositeReader__ctor_" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor*"></a> |
| <h4 id="Lucene_Net_Index_ParallelCompositeReader__ctor_System_Boolean_Lucene_Net_Index_CompositeReader___Lucene_Net_Index_CompositeReader___" data-uid="Lucene.Net.Index.ParallelCompositeReader.#ctor(System.Boolean,Lucene.Net.Index.CompositeReader[],Lucene.Net.Index.CompositeReader[])">ParallelCompositeReader(Boolean, CompositeReader[], CompositeReader[])</h4> |
| <div class="markdown level1 summary"><p>Expert: create a <a class="xref" href="Lucene.Net.Index.ParallelCompositeReader.html">ParallelCompositeReader</a> based on the provided |
| <code data-dev-comment-type="paramref" class="paramref">readers</code> and <code data-dev-comment-type="paramref" class="paramref">storedFieldReaders</code>; when a document is |
| loaded, only <code data-dev-comment-type="paramref" class="paramref">storedFieldReaders</code> will be used.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public ParallelCompositeReader(bool closeSubReaders, CompositeReader[] readers, CompositeReader[] storedFieldReaders)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td><span class="parametername">closeSubReaders</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a>[]</td> |
| <td><span class="parametername">readers</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Index.CompositeReader.html">CompositeReader</a>[]</td> |
| <td><span class="parametername">storedFieldReaders</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="methods">Methods |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_ParallelCompositeReader_DoClose.md&value=---%0Auid%3A%20Lucene.Net.Index.ParallelCompositeReader.DoClose%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
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| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/ParallelCompositeReader.cs/#L222">View Source</a> |
| </span> |
| <a id="Lucene_Net_Index_ParallelCompositeReader_DoClose_" data-uid="Lucene.Net.Index.ParallelCompositeReader.DoClose*"></a> |
| <h4 id="Lucene_Net_Index_ParallelCompositeReader_DoClose" data-uid="Lucene.Net.Index.ParallelCompositeReader.DoClose">DoClose()</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected override void DoClose()</code></pre> |
| </div> |
| <h5 class="overrides">Overrides</h5> |
| <div><a class="xref" href="Lucene.Net.Index.IndexReader.html#Lucene_Net_Index_IndexReader_DoClose">IndexReader.DoClose()</a></div> |
| <h3 id="implements">Implements</h3> |
| <div> |
| <span class="xref">System.IDisposable</span> |
| </div> |
| </article> |
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