Package net.sf.saxon.expr.elab
Class IndexedVariableEvaluator
java.lang.Object
net.sf.saxon.expr.elab.IndexedVariableEvaluator
- All Implemented Interfaces:
SequenceEvaluator
Evaluator for a variable that needs to be indexed, because the optimizer has identified
that it will contain a sequence that is accessed using predicates based on the content
Note, indexing is only used in Saxon-EE; the implementation in Saxon-HE is a dummy.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionevaluate
(XPathContext context) Evaluate a construct to produce a value (which might be a lazily evaluated Sequence)
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Constructor Details
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IndexedVariableEvaluator
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Method Details
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evaluate
Evaluate a construct to produce a value (which might be a lazily evaluated Sequence)- Specified by:
evaluate
in interfaceSequenceEvaluator
- Parameters:
context
- the evaluation context- Returns:
- a Sequence (not necessarily grounded)
- Throws:
XPathException
- if a dynamic error occurs during the evaluation.
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