net.sf.saxon.query
Interface UpdateAgent
public interface UpdateAgent
An UpdateAgent is a callback class that is called to handle a document after it has been updated.
Typically the UpdateAgent might take responsibility for writing the updated document back to
persistent storage.
update
void update(NodeInfo node,
Controller controller)
throws XPathException
- Handle an updated document.
This method is called by
XQueryExpression.runUpdate(DynamicQueryContext, UpdateAgent)
once for each document (or more generally, for the root of each tree) that has been modified
by the update query.
- Parameters:
node
- the root of the tree that has been updatedcontroller
- the Controller that was used for executing the query
- Throws:
XPathException
- if the callback code cannot handle the updated document
Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.