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<head><title>Db4o-Osgi Usage </title>
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<p class="MCWebHelpFramesetLink" style="display: none;"><a href="../../../index_CSH.html#platform_specific_issues/database_for_osgi/db4o-osgi_usage.htm" style="">Open topic with navigation</a>
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<h1>Db4o-Osgi Usage</h1>
<P>db4o-osgi service can be accessed like any other <span class="MCPopup"><a href="javascript:void(0);" class="MCPopupSpot" onclick="FMCPopup( event, this ); return false;" MadCap:src="../database_for_osgi.htm">OSGI<img style="border: none;margin-left: 5px;" src="../../SkinSupport/ExpandingClosed.gif" MadCap:altsrc="../../SkinSupport/ExpandingOpen.gif" class="MCExpandingIcon" onload="if ( typeof( FMCPreloadImage ) == 'function' ) { FMCPreloadImage( '../../SkinSupport/ExpandingOpen.gif' ); }" /></a></span> service:</P>
<P><code>ServiceReference serviceRef = _context.getServiceReference(Db4oService.class.getName());</code>
</P>
<P><code>Db4oService db4oService = (Db4oService)_context.getService(serviceRef);</code>
</P>
<P>db4o-osgi uses Bundle-ActivationPolicy:lazy header to define the lazy bundle loading policy (only utilized in some environments, like Eclipse).</P>
<P>Db4oService instance can be used as Db4o class in usual environment:</P>
<P><code>Configuration config = db4oService.newConfiguration();</code>
</P>
<P><code>ObjectContainer db = db4oService.openFile(config, filename);</code>
</P>
<P>Also available are methods for opening db4o server and client. For more information see the API documentation.</P>
<P>Once the service instance is obtained, you can continue to work with db4o API as usual.</P><a name="Installation in Eclipse"></a>
<H2>Installation in Eclipse</H2>
<OL>
<LI value="1">Put the db4o osgi jar file on eclipse/plugins folder</LI>
<LI value="2">Start/restart Eclipse</LI>
<LI value="3">While on Eclipse switch from the "Package Explorer" tab to the "Plug-ins" tab</LI>
<LI value="4">Find the db4o bundle (should be listed there), right click on it and select "Import As" -> "Source Project"</LI>
</OL>
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