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<html xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:mshelp="http://msdn.microsoft.com/mshelp" xmlns:ddue="http://ddue.schemas.microsoft.com/authoring/2003/5" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:msxsl="urn:schemas-microsoft-com:xslt"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" /><META NAME="save" CONTENT="history" /><title>AddDocument Method (Document)</title><meta name="Language" content="en-us" /><meta name="Microsoft.Help.Id" content="M:Lucene.Net.Index.IndexWriter.AddDocument(Lucene.Net.Documents.Document)" /><meta name="Description" content="Adds a document to this index. If the document contains more than {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are discarded." /><meta name="Microsoft.Help.ContentType" content="Reference" /><link rel="stylesheet" type="text/css" href="../styles/Presentation.css" /><link rel="stylesheet" type="text/css" href="ms-help://Hx/HxRuntime/HxLink.css" /><script type="text/javascript" src="../scripts/EventUtilities.js"> </script><script type="text/javascript" src="../scripts/SplitScreen.js"> </script><script type="text/javascript" src="../scripts/Dropdown.js"> </script><script type="text/javascript" src="../scripts/script_manifold.js"> </script><script type="text/javascript" src="../scripts/script_feedBack.js"> </script><script type="text/javascript" src="../scripts/CheckboxMenu.js"> </script><script type="text/javascript" src="../scripts/CommonUtilities.js"> </script><meta name="container" content="Lucene.Net.Index" /><meta name="file" content="ebd80cb7-ad4e-e14a-2b56-f3c12cc72209" /><meta name="guid" content="ebd80cb7-ad4e-e14a-2b56-f3c12cc72209" /><xml><MSHelp:Attr Name="AssetID" Value="M:Lucene.Net.Index.IndexWriter.AddDocument(Lucene.Net.Documents.Document)" /><MSHelp:TOCTitle Title="AddDocument Method (Document)" /><MSHelp:RLTitle Title="IndexWriter.AddDocument Method (Document) (Lucene.Net.Index)" /><MSHelp:Keyword Index="A" Term="M:Lucene.Net.Index.IndexWriter.AddDocument(Lucene.Net.Documents.Document)" /><MSHelp:Attr Name="APIType" Value="Managed" /><MSHelp:Attr Name="APILocation" Value="Lucene.Net.dll" /><MSHelp:Attr Name="APIName" Value="Lucene.Net.Index.IndexWriter.AddDocument" /><MSHelp:Attr Name="DevLang" Value="CSharp" /><MSHelp:Attr Name="DevLang" Value="VB" /><MSHelp:Attr Name="Locale" Value="en-us" /><MSHelp:Attr Name="TopicType" Value="kbSyntax" /><MSHelp:Attr Name="TopicType" Value="apiref" /><MSHelp:Attr Name="Abstract" Value="Adds a document to this index. If the document contains more than {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are discarded. Note that if an Exception is hit (for exam ..." /><MSHelp:Attr Name="AssemblyVersion" Value="2.9.4.1" /></xml><link type="text/css" rel="stylesheet" href="../styles/highlight.css" /><script type="text/javascript" src="../scripts/highlight.js"> </script></head><body><input type="hidden" id="userDataCache" class="userDataStyle" /><input type="hidden" id="hiddenScrollOffset" /><img id="collapseImage" style="display:none; height:0; width:0;" src="../icons/collapse_all.gif" alt="Collapse image" title="Collapse image" /><img id="expandImage" style="display:none; height:0; width:0;" src="../icons/expand_all.gif" alt="Expand Image" title="Expand Image" /><img id="collapseAllImage" style="display:none; height:0; width:0;" src="../icons/collapse_all.gif" /><img id="expandAllImage" style="display:none; height:0; width:0;" src="../icons/expand_all.gif" /><img id="dropDownImage" style="display:none; height:0; width:0;" src="../icons/dropdown.gif" /><img id="dropDownHoverImage" style="display:none; 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If the document contains more than
{@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
discarded.
<p /> Note that if an Exception is hit (for example disk full)
then the index will be consistent, but this document
may not have been added. Furthermore, it's possible
the index will have one segment in non-compound format
even when using compound files (when a merge has
partially succeeded).<p /><p /> This method periodically flushes pending documents
to the Directory (see <a href="#flush">above</a>), and
also periodically triggers segment merges in the index
according to the {@link MergePolicy} in use.<p /><p />Merges temporarily consume space in the
directory. The amount of space required is up to 1X the
size of all segments being merged, when no
readers/searchers are open against the index, and up to
2X the size of all segments being merged when
readers/searchers are open against the index (see
{@link #Optimize()} for details). The sequence of
primitive merge operations performed is governed by the
merge policy.
<p />Note that each term in the document can be no longer
than 16383 characters, otherwise an
IllegalArgumentException will be thrown.<p /><p />Note that it's possible to create an invalid Unicode
string in java if a UTF16 surrogate pair is malformed.
In this case, the invalid characters are silently
replaced with the Unicode replacement character
U+FFFD.<p /><p /><b>NOTE</b>: if this method hits an OutOfMemoryError
you should immediately close the writer. See <a href="#OOME">above</a> for details.<p /></div><p /><b>Namespace:</b> <a href="4d52bcdb-050f-b66e-6d74-d7169ebc88b0.htm">Lucene.Net.Index</a><br /><b>Assembly:</b> <span sdata="assembly">Lucene.Net</span> (in Lucene.Net.dll) Version: 2.9.4.1<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keyword">void</span> <span class="identifier">AddDocument</span>(
<a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Document</a> <span class="parameter">doc</span>
)</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Overridable</span> <span class="keyword">Sub</span> <span class="identifier">AddDocument</span> ( _
<span class="parameter">doc</span> <span class="keyword">As</span> <a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Document</a> _
)</pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span>:
<span class="keyword">virtual</span> <span class="keyword">void</span> <span class="identifier">AddDocument</span>(
<a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Document</a>^ <span class="parameter">doc</span>
)</pre></td></tr></table></span></div><div id="parameters"><h4 class="subHeading">Parameters</h4><dl paramName="doc"><dt><span class="parameter">doc</span></dt><dd>Type: <a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Lucene.Net.Documents<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Document</a><br /><p style="color: #dc143c; font-size: 8.5pt; font-weight: bold;">[Missing &lt;param name="doc"/&gt; documentation for "M:Lucene.Net.Index.IndexWriter.AddDocument(Lucene.Net.Documents.Document)"]</p></dd></dl></div></div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="cfb56f63-f6d1-efdf-e1eb-54ef6f901cd1.htm">IndexWriter Class</a></div><div class="seeAlsoStyle"><a href="f7cbedef-4863-a96e-106d-dcc226cf1c2a.htm">AddDocument Overload</a></div><div class="seeAlsoStyle"><a href="4d52bcdb-050f-b66e-6d74-d7169ebc88b0.htm">Lucene.Net.Index Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" alt="Footer image" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"></span></div></div></body></html>