net.sf.saxon.evpull
public class PullEventTracer extends Object implements EventIterator
Constructor Summary | |
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PullEventTracer(EventIterator base, Configuration config)
Create a tracer for pull events |
Method Summary | |
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boolean | isFlatSequence()
Determine whether the EventIterator returns a flat sequence of events, or whether it can return
nested event iterators
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static void | main(String[] args)
Main method for testing only |
PullEvent | next()
Get the next event in the sequence
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Parameters: base the event iterator whose events are to be traced config the Saxon configuration
Returns: true if the next() method is guaranteed never to return an EventIterator
Parameters: args not used
Throws: Exception
Returns: the next event, or null when the sequence is exhausted. Note that since an EventIterator is itself a PullEvent, this method may return a nested iterator.
Throws: net.sf.saxon.trans.XPathException if a dynamic evaluation error occurs