net.sf.saxon.functions
public class Available extends SystemFunction
Field Summary | |
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static int | ELEMENT_AVAILABLE |
static int | FUNCTION_AVAILABLE |
static int | TYPE_AVAILABLE |
Method Summary | |
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void | checkArguments(ExpressionVisitor visitor) |
Item | evaluateItem(XPathContext context)
Run-time evaluation. |
Expression | preEvaluate(ExpressionVisitor visitor)
preEvaluate: this method uses the static context to do early evaluation of the function
if the argument is known (which is the normal case) |
Parameters: visitor the expression visitor