net.sf.saxon.functions
public class DistinctValues extends CollatingFunction
Nested Class Summary | |
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static class | DistinctValues.DistinctIterator
Iterator class to return the distinct values in a sequence |
Method Summary | |
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void | checkArguments(ExpressionVisitor visitor) |
AtomicComparer | getAtomicComparer()
Get the AtomicComparer allocated at compile time. |
SequenceIterator | iterate(XPathContext context)
Evaluate the function to return an iteration of selected values or nodes. |
Returns: the AtomicComparer if one has been allocated at compile time; return null if the collation is not known until run-time