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<h1>Storing Transient Fields</h1><script>
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<span name="cs_wiki_filter" csw_filters="cs"><p>c#: </p>
<p><code>Db4oFactory.Configure().ObjectClass(clazz).StoreTransientFields(true)</code></p>
</span>
<span name="cs_wiki_filter" csw_filters="vb"><p>VB: </p>
<p><code>Db4oFactory.Configure().ObjectClass(clazz).StoreTransientFields(true)</code></p>
</span>
<p>This setting can be used to turn on storing of transient
fields to db4o. It can be sometimes useful for debug purposes. </p>
<p>In order to test how it works add the following method to
the example in <a href="transient_fields_in_java.html" class="wikiLink">Transient Fields In Java</a>/<a href="transient_fields_in_.net.html" class="wikiLink">Transient Fields In .NET</a>:</p>
<span name="cs_wiki_filter" csw_filters="cs">
<div class="FormattedSourceCode"><div class="fscHeader"><span class="fscFileName">MarkTransientExample.cs: <span class="fscMemberName">ConfigureSaveTransient</span></span></div><div class="fscCode"><pre ID="ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87"><div><!--
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--><span style="color: #008080;">1</span><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/None.gif" align="top"/><span style="color: #0000FF;">private</span><span style="color: #000000;"> </span><span style="color: #0000FF;">static</span><span style="color: #000000;"> IConfiguration ConfigureSaveTransient()
</span><span style="color: #008080;">2</span><span style="color: #000000;"><img id="ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Open_Image" src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ExpandedBlockStart.gif" align="top" onClick="this.style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Open_Text').style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Closed_Image').style.display='inline'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Closed_Text').style.display='inline';"/><img id="ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Closed_Image" src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ContractedBlock.gif" align="top" style="display: none;" onClick="this.style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Closed_Text').style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Open_Image').style.display='inline'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Open_Text').style.display='inline';"/> </span><span id="ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Closed_Text" style="border: solid 1px #808080; background-color: #FFFFFF; display: none;">...</span><span id="ResourcesReferenceTuningSelective_PersistenceselectivepersistenceCS.ZipsMarkTransientExample.Cs_MarkTransientExample.Cs_ConfigureSaveTransient_676_87_63_263_Open_Text"><span style="color: #000000;">{
</span><span style="color: #008080;">3</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> IConfiguration configuration </span><span style="color: #000000;">=</span><span style="color: #000000;"> Db4oFactory.NewConfiguration();
</span><span style="color: #008080;">4</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> configuration.ObjectClass(</span><span style="color: #0000FF;">typeof</span><span style="color: #000000;">(Test)).StoreTransientFields(</span><span style="color: #0000FF;">true</span><span style="color: #000000;">);
</span><span style="color: #008080;">5</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> </span><span style="color: #0000FF;">return</span><span style="color: #000000;"> configuration;
</span><span style="color: #008080;">6</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ExpandedBlockEnd.gif" align="top"/> }</span></span></div></pre></div></div>
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<span name="cs_wiki_filter" csw_filters="vb">
<div class="FormattedSourceCode"><div class="fscHeader"><span class="fscFileName">MarkTransientExample.vb: <span class="fscMemberName">ConfigureSaveTransient</span></span></div><div class="fscCode"><pre ID="ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87"><div><!--
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--><span style="color: #008080;">1</span><img id="ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Open_Image" src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ExpandedBlockStart.gif" align="top" onClick="this.style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Open_Text').style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Closed_Image').style.display='inline'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Closed_Text').style.display='inline';"/><img id="ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Closed_Image" src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ContractedBlock.gif" align="top" style="display: none;" onClick="this.style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Closed_Text').style.display='none'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Open_Image').style.display='inline'; document.getElementById('ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Open_Text').style.display='inline';"/><span style="color: #0000FF;">Public</span><span style="color: #000000;"> </span><span style="color: #0000FF;">Shared</span><span style="color: #000000;"> </span><span id="ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Closed_Text" style="border: solid 1px #808080; background-color: #FFFFFF; display: none;">Function ConfigureSaveTransient()</span><span id="ResourcesReferenceTuningSelective_PersistenceSelectivePersistenceVB.ZipsMarkTransientExample.Vb_MarkTransientExample.Vb_ConfigureSaveTransient_827_87_14_280_Open_Text"><span style="color: #0000FF;">Function</span><span style="color: #000000;"> ConfigureSaveTransient() </span><span style="color: #0000FF;">As</span><span style="color: #000000;"> IConfiguration
</span><span style="color: #008080;">2</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> </span><span style="color: #0000FF;">Dim</span><span style="color: #000000;"> configuration </span><span style="color: #0000FF;">As</span><span style="color: #000000;"> IConfiguration </span><span style="color: #000000;">=</span><span style="color: #000000;"> Db4oFactory.NewConfiguration()
</span><span style="color: #008080;">3</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> configuration.ObjectClass(</span><span style="color: #0000FF;">GetType</span><span style="color: #000000;">(Test)).StoreTransientFields(</span><span style="color: #0000FF;">True</span><span style="color: #000000;">)
</span><span style="color: #008080;">4</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/InBlock.gif" align="top"/> </span><span style="color: #0000FF;">Return</span><span style="color: #000000;"> configuration
</span><span style="color: #008080;">5</span><span style="color: #000000;"><img src="../../../Utility/ActiPro.CodeHighligher/OutliningIndicators/ExpandedBlockEnd.gif" align="top"/> </span><span style="color: #0000FF;">End Function</span></span></div></pre></div></div>
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<span name="cs_wiki_filter" csw_filters="net">
<p>Note, that attributes, marked as transient, won't be affected
by <code>storeTransientFields</code> setting.</p>
</span></div>
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This revision (2) was last Modified 2007-03-21T19:12:05 by Tetyana.
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