Locking an object problem

We are customizing our Plumtree Portal 5.0.2 to all the gadgets developers to send an HTTP header called "Refresh-all","Gadget Name". When this header is sent the portal should refresh the gadget provided in the header to flush it's content. The only problem that we are facing now is storing the changes made to the Gadget Admin Settings
here's the code
IPTObjectManager objectManager = (IPTObjectManager) ptSession.GetGadgets();
IPTGadget gadgetToRefresh = (IPTGadget)objectManager.Open(portletID,false);
IPTServerContext serverContext = (IPTServerContext)gadgetToRefresh.GetInterfaces("IPTServerContext");
serverContext.LockObject();
serverContext.Store();
serverContext.UnlockObject();
When the logged in user is not an admin this gives an error and PTSpy reported that the user doesn't have enough priviliges to lock the object. the ptSession is the current user session retrieved by the function GetUserSession()
Any proposed work around or any way to get an admin session will be great
TIA

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Hai,
Gothrough the following link,
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
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EXPORTING
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EXCEPTIONS
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EXPORTING
tabname = table_name.
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u can also use
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