public class Root_1 extends SystemFunction
Constructor and Description |
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Root_1() |
Modifier and Type | Method and Description |
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ZeroOrOne<NodeInfo> |
call(XPathContext context,
Sequence[] arguments)
Evaluate the expression
|
java.lang.String |
getCompilerName()
Get the (local) name of a class that can be used to generate bytecode for this
system function
|
int |
getSpecialProperties(Expression[] arguments)
Get the static properties of this expression (other than its type).
|
java.lang.String |
getStreamerName()
Get a name that identifies the class that can be used to evaluate this function
in streaming mode, that is, supplying one item or event at a time as it is
delivered by the parser.
|
dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getContextNode, getDescription, getDetails, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getStaticBaseUriString, 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 int getSpecialProperties(Expression[] arguments)
getSpecialProperties
in class SystemFunction
arguments
- the actual arguments to the function callpublic ZeroOrOne<NodeInfo> call(XPathContext context, Sequence[] arguments) throws XPathException
context
- the dynamic evaluation contextarguments
- the values of the arguments, supplied as SequencesXPathException
- if a dynamic error occurs during the evaluation of the expressionpublic java.lang.String getStreamerName()
SystemFunction
getStreamerName
in class SystemFunction
StreamerMap
. In non-streaming Saxon editions
(HE and PE) the method always returns null.public java.lang.String getCompilerName()
SystemFunction
getCompilerName
in class SystemFunction
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