net.sf.saxon.functions
public class Existence extends SystemFunction
Field Summary | |
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static int | EMPTY |
static int | EXISTS |
Method Summary | |
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void | checkArguments(StaticContext env)
Static analysis: prevent sorting of the argument |
boolean | effectiveBooleanValue(XPathContext c)
Evaluate the function in a boolean context |
Item | evaluateItem(XPathContext c)
Evaluate in a general context |