public class FunctionAvailable extends SystemFunction
Constructor and Description |
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FunctionAvailable() |
Modifier and Type | Method and Description |
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BooleanValue |
call(XPathContext context,
Sequence[] arguments)
Evaluate the expression
|
Expression |
makeFunctionCall(Expression... arguments)
Make an expression that either calls this function, or that is equivalent to a call
on this function
|
Expression |
makeOptimizedFunctionCall(ExpressionVisitor visitor,
ContextItemStaticInfo contextInfo,
Expression... arguments)
Allow the function to create an optimized call based on the values of the actual arguments
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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, 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 Expression makeFunctionCall(Expression... arguments)
SystemFunction
makeFunctionCall
in class SystemFunction
arguments
- the supplied arguments to the function callpublic Expression makeOptimizedFunctionCall(ExpressionVisitor visitor, ContextItemStaticInfo contextInfo, Expression... arguments) throws XPathException
makeOptimizedFunctionCall
in class SystemFunction
visitor
- the expression visitorcontextInfo
- information about the context itemarguments
- the supplied arguments to the function callXPathException
- if an error is detectedpublic BooleanValue call(XPathContext context, Sequence[] arguments) throws XPathException
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.