| <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>Document Method (Int32, FieldSelector)</title><meta name="Language" content="en-us" /><meta name="Microsoft.Help.Id" content="M:Lucene.Net.Index.IndexReader.Document(System.Int32,Lucene.Net.Documents.FieldSelector)" /><meta name="Description" content="Get the {@link Lucene.Net.Documents.Document} at the @@_SHFB_4th position. 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The {@link FieldSelector} may be used to determine what {@link Lucene.Net.Documents.Field}s to load and how they should be loaded. NOTE: If this Rea ..." /><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; height:0; width:0;" src="../icons/dropdownHover.gif" /><img id="copyImage" style="display:none; 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The {@link FieldSelector} may be used to determine | |
| what {@link Lucene.Net.Documents.Field}s to load and how they should | |
| be loaded. <b>NOTE:</b> If this Reader (more specifically, the underlying | |
| <span id="cbc_5" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">FieldsReader</pre></div></span>) is closed before the lazy | |
| {@link Lucene.Net.Documents.Field} is loaded an exception may be | |
| thrown. If you want the value of a lazy | |
| {@link Lucene.Net.Documents.Field} to be available after closing you | |
| must explicitly load it or fetch the Document again with a new loader. | |
| <p /><b>NOTE:</b> for performance reasons, this method does not check if the | |
| requested document is deleted, and therefore asking for a deleted document | |
| may yield unspecified results. Usually this is not required, however you | |
| can call {@link #IsDeleted(int)} with the requested document ID to verify | |
| the document is not deleted. | |
| </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">abstract</span> <a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Document</a> <span class="identifier">Document</span>( | |
| <a href="http://msdn2.microsoft.com/en-us/library/td2s409d" target="_blank">int</a> <span class="parameter">n</span>, | |
| <a href="d99038f4-9ac2-5de8-7763-c6bf44b8f4e7.htm">FieldSelector</a> <span class="parameter">fieldSelector</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">MustOverride</span> <span class="keyword">Function</span> <span class="identifier">Document</span> ( _ | |
| <span class="parameter">n</span> <span class="keyword">As</span> <a href="http://msdn2.microsoft.com/en-us/library/td2s409d" target="_blank">Integer</a>, _ | |
| <span class="parameter">fieldSelector</span> <span class="keyword">As</span> <a href="d99038f4-9ac2-5de8-7763-c6bf44b8f4e7.htm">FieldSelector</a> _ | |
| ) <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> <a href="13a3b08a-ccd4-9b21-2cae-8765b7d16b9e.htm">Document</a>^ <span class="identifier">Document</span>( | |
| <a href="http://msdn2.microsoft.com/en-us/library/td2s409d" target="_blank">int</a> <span class="parameter">n</span>, | |
| <a href="d99038f4-9ac2-5de8-7763-c6bf44b8f4e7.htm">FieldSelector</a>^ <span class="parameter">fieldSelector</span> | |
| ) <span class="keyword">abstract</span></pre></td></tr></table></span></div><div id="parameters"><h4 class="subHeading">Parameters</h4><dl paramName="n"><dt><span class="parameter">n</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/td2s409d" target="_blank">System<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Int32</a><br />Get the document at the <span id="cbc_6" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">n</pre></div></span><sup>th</sup> position | |
| </dd></dl><dl paramName="fieldSelector"><dt><span class="parameter">fieldSelector</span></dt><dd>Type: <a href="d99038f4-9ac2-5de8-7763-c6bf44b8f4e7.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>FieldSelector</a><br />The {@link FieldSelector} to use to determine what | |
| Fields should be loaded on the Document. May be null, in which case | |
| all Fields will be loaded. | |
| </dd></dl></div><h4 class="subHeading">Return Value</h4> The stored fields of the | |
| {@link Lucene.Net.Documents.Document} at the nth position | |
| </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="4919df1c-c434-d92d-ae43-1f44d0246cd4.htm">IndexReader Class</a></div><div class="seeAlsoStyle"><a href="bc9a5cb4-3bc4-4b25-14fe-edb9f43cf112.htm">Document Overload</a></div><div class="seeAlsoStyle"><a href="4d52bcdb-050f-b66e-6d74-d7169ebc88b0.htm">Lucene.Net.Index Namespace</a></div><div class="seeAlsoStyle"><a href="4f7aed47-70b5-e468-f190-ac9e156e208d.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>Fieldable</a></div><div class="seeAlsoStyle"><a href="d99038f4-9ac2-5de8-7763-c6bf44b8f4e7.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>FieldSelector</a></div><div class="seeAlsoStyle"><a href="abde5ce5-8cf2-59ab-3abb-b67a094fd6f6.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>SetBasedFieldSelector</a></div><div class="seeAlsoStyle"><a href="1ce53b5f-56c3-3613-a63c-030082ea5130.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>LoadFirstFieldSelector</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> |