|Topic||XmlBlaster provides a XML:DB-API based persistence layer to store messages marked with <persistent/>|
To store messages and to restore them again after a new startup of the xmlBlaster server there is a lightweight interface, called I_PersitenceDriver, available.
XMLDB Plugin is an implementation of the interface I_PersitenceDriver. This plugin stores messages in a XMLDB database, one message to one entry (plus a key and a qos entry per message).
To avoid corrupt contet data the message is enclosed into <![CDATA]>.
This plugin can be activated by setting the properties: i.e. Persistence.Driver.Type=xmldb. Note that you need to declare the version (Persistence.Driver.Version) and the path (Persistence.Driver.Path) of the persistence driver as well. See the xindice proxy for details.
Only messages which are marked as <persistent> are stored using this persistent driver.
NOTE: Configuration parameters are specified on command line (-someValue 17) or in the
xmlBlaster.properties file (someValue=17). See requirement "util.property" for details.
Find the CORBA Bug!
Problem is: currently we're using two different ORB's in the same VM. We try to address this problem by delegating the Plugins to different ClassLoaders.
This page is generated from the requirement XML file xmlBlaster/doc/requirements/engine.persistence.xmldb.xml
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