public class Nilled_1 extends SystemFunction implements Callable
Constructor and Description |
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Nilled_1() |
Modifier and Type | Method and Description |
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ZeroOrOne<BooleanValue> |
call(XPathContext context,
Sequence[] arguments)
Evaluate the expression
|
static BooleanValue |
getNilledProperty(NodeInfo node)
Determine whether a node has the nilled property
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static boolean |
isNilled(NodeInfo node)
Determine whether a node is nilled.
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dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getCompilerName, getContextNode, getDescription, getDetails, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, getStreamerName, importAttributes, isTrustedResultType, makeCall, makeFunction, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, supplyTypeInformation, typeCheckCaller
atomize, deepEquals, effectiveBooleanValue, getAnnotations, getStringValue, getStringValueCS, isArray, isMap, makeNewContext, simplify, typeCheck
getLength, head, isStreamed, itemAt, iterate, reduce, subsequence
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getLength, head, itemAt, reduce, subsequence
public static BooleanValue getNilledProperty(NodeInfo node)
node
- the node in question (if null, the function returns null)public static boolean isNilled(NodeInfo node)
node
- the node to be testedpublic ZeroOrOne<BooleanValue> call(XPathContext context, Sequence[] arguments) throws XPathException
call
in interface Callable
call
in interface Function
context
- the dynamic evaluation contextarguments
- the values of the arguments, supplied as SequenceIteratorsXPathException
- if a dynamic error occurs during the evaluation of the expressionCopyright (c) 2004-2018 Saxonica Limited. All rights reserved.