Package net.sf.saxon.expr.flwor
Class ForClauseOuterPull
java.lang.Object
net.sf.saxon.expr.flwor.TuplePull
net.sf.saxon.expr.flwor.ForClausePull
net.sf.saxon.expr.flwor.ForClauseOuterPull
This class represents the tuple stream returned by a "for" clause in a FLWOR expression
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Field Summary
Fields inherited from class net.sf.saxon.expr.flwor.ForClausePull
base, currentIteration, forClause
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
close()
Close the tuple stream, indicating that although not all tuples have been read, no further tuples are required and resources can be releasedboolean
nextTuple
(XPathContext context) Deliver the next output tuple.Methods inherited from class net.sf.saxon.expr.flwor.ForClausePull
variableValue
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Constructor Details
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ForClauseOuterPull
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Method Details
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nextTuple
Deliver the next output tuple. Before returning, this method must set all the variables corresponding to the output tuple in the local stack frame associated with the context object- Overrides:
nextTuple
in classForClausePull
- Parameters:
context
- the dynamic evaluation context- Returns:
- true if another tuple has been generated; false if the tuple stream is exhausted. If the method returns false, the values of the local variables corresponding to this tuple stream are undefined.
- Throws:
XPathException
- if any error occurs
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close
public void close()Close the tuple stream, indicating that although not all tuples have been read, no further tuples are required and resources can be released- Overrides:
close
in classForClausePull
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