Hello,
 
I am very new to dom4j, in fact I am sending this message,
for a "where to start" query.
 
 
I need to implement concurrent transactions on an XML database.
the transaction are given to me in XPath expressions,
so all I need to do is to evaluate the _expression_ ( already found a way to do this in one of dom4j examples ).
 
My question is , how do I apply 2PL Tree locking algorithm (Read and Write locks) on dom4j's XPath query algorithm ?
please help, any kind of help would help a lot !
 
sorry again, if what I am asking is so trivial,
 
Thank you
Grosman
 

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