<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns:MadCap="http://www.madcapsoftware.com/Schemas/MadCap.xsd" MadCap:lastBlockDepth="2" MadCap:lastHeight="120" MadCap:lastWidth="624" MadCap:disableMasterStylesheet="true" MadCap:tocPath="Advanced Features|Defragment" MadCap:InPreviewMode="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" MadCap:PathToHelpSystem="../../../" MadCap:HelpSystemFileName="index.xml" MadCap:SearchType="Stem"> <head><title>Tracking Defragmentation Errors </title> <script type="text/javascript">/* <![CDATA[ */ window.onload = function(){ var pathToFlash = $('html').attr('MadCap:PathToHelpSystem') + 'Content/Resources/Code/ZeroClipboard.swf'; ZeroClipboard.setMoviePath(pathToFlash); function bindToClipBord(element,content){ var clip = new ZeroClipboard.Client(); clip.setText(content); clip.glue(element); }; if(location.protocol==='file:'){ $('.copylink-marker').remove(); } else{ $('.copylink-marker').each(function(){ var text = $(this).parent().parent().children('.prettyprint').html(); $(this).hover(function(){ bindToClipBord(this,text); }, function(){}); }); } prettyPrint(); }; /* ]]> */</script> <link href="../../SkinSupport/MadCap.css" rel="stylesheet" /> <link href="../../Resources/Stylesheets/OnlineStyle.css" rel="stylesheet" /> <script src="../../Resources/Code/prettify.js"> </script> <script src="../../Resources/Code/lang-vb.js"> </script> <script src="../../Resources/Code/jquery.min.js"> </script> <script src="../../Resources/Code/ZeroClipboard.js"> </script> <script src="../../SkinSupport/MadCapAll.js" type="text/javascript"> </script> </head> <body> <p class="MCWebHelpFramesetLink" style="display: none;"><a href="../../../index_CSH.html#advanced_topics/defragment/tracking_defragmentation_errors.htm" style="">Open topic with navigation</a> </p> <div class="MCBreadcrumbsBox"><span class="MCBreadcrumbsPrefix">You are here: </span><a class="MCBreadcrumbsLink" href="../../advanced_topics.htm">Advanced Features</a><span class="MCBreadcrumbsDivider"> > </span><a class="MCBreadcrumbsLink" href="../defragment.htm">Defragment</a><span class="MCBreadcrumbsDivider"> > </span><span class="MCBreadcrumbs">Tracking Defragmentation Errors</span> </div> <p> <script type="text/javascript">/*<![CDATA[*/document.write('<a href="' + location.href +'">'); document.write("Direct Link"); document.write('</a>');/*]]>*/</script> </p> <p> </p> <h1>Tracking Defragmentation Errors</h1> <p>You can pass a defragmentation listener to the defragmentation process. This listener will be notified when there's no object for an id in the database. This means that a object has a reference to a non-existing object. This happens when you delete objects which are still referenced by other objects. </p> <div class="codesnippet" MadCap:conditions="Primary.c#"> <pre class="prettyprint" xml:space="preserve">private class DefragmentListener : IDefragmentListener { public void NotifyDefragmentInfo(DefragmentInfo defragmentInfo) { Console.WriteLine(defragmentInfo); } }</pre> <div class="codesnippet-meta">DefragmentationExample.cs: Defragmentation listener implementation <div class="codedownload"><a href="../../CodeExamples/deframentation/Example-Code-deframentation-csharp.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <div class="codesnippet" MadCap:conditions="Primary.VB.NET"> <pre class="prettyprint lang-vb" MadCap:conditions="Primary.Online" xml:space="preserve">Private Class DefragmentListener Implements IDefragmentListener Public Sub NotifyDefragmentInfo(ByVal defragmentInfo As DefragmentInfo) _ Implements IDefragmentListener.NotifyDefragmentInfo Console.WriteLine(defragmentInfo) End Sub End Class</pre> <div class="codesnippet-meta">DefragmentationExample.vb: Defragmentation listener implementation <div class="codedownload"><a href="../../CodeExamples/deframentation/Example-Code-deframentation-vb.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <div class="codesnippet" MadCap:conditions="Primary.c#"> <pre class="prettyprint" xml:space="preserve">DefragmentConfig config = new DefragmentConfig("database.db4o"); Defragment.Defrag(config, new DefragmentListener());</pre> <div class="codesnippet-meta">DefragmentationExample.cs: Use a defragmentation listener <div class="codedownload"><a href="../../CodeExamples/deframentation/Example-Code-deframentation-csharp.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <div class="codesnippet" MadCap:conditions="Primary.VB.NET"> <pre class="prettyprint lang-vb" MadCap:conditions="Primary.Online" xml:space="preserve">Dim config As New DefragmentConfig("database.db4o") Defragment.Defrag(config, New DefragmentListener())</pre> <div class="codesnippet-meta">DefragmentationExample.vb: Use a defragmentation listener <div class="codedownload"><a href="../../CodeExamples/deframentation/Example-Code-deframentation-vb.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <script type="text/javascript" src="../../SkinSupport/MadCapBodyEnd.js"> </script> </body> </html>