Class TreatFn.ExactlyOne

java.lang.Object

net.sf.saxon.functions.AbstractFunction

net.sf.saxon.functions.SystemFunction

net.sf.saxon.functions.TreatFn

net.sf.saxon.functions.TreatFn.ExactlyOne

All Implemented Interfaces:

Callable, Function, GroundedValue, Item, Sequence

Enclosing class:

TreatFn

public static class TreatFn.ExactlyOne
extends TreatFn

Nested Class Summary

Nested classes/interfaces inherited from class TreatFn

TreatFn.ExactlyOne, TreatFn.OneOrMore, TreatFn.ZeroOrOne

Constructor Summary

Constructors

Constructor	Description
ExactlyOne()

Method Summary

Modifier and Type	Method	Description
String	getErrorCodeForTypeErrors()	Return the error code to be used for type errors
int	getRequiredCardinality()

Methods inherited from class TreatFn

call, getStreamerName, makeRoleDiagnostic

Methods inherited from class SystemFunction

dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getCompilerName, getContextNode, getDescription, getDetails, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, importAttributes, isTrustedResultType, makeCall, makeFunction, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, supplyTypeInformation, toShortString, toString, typeCheckCaller

Methods inherited from class AbstractFunction

atomize, deepEquals, effectiveBooleanValue, getAnnotations, getStringValue, getStringValueCS, isArray, isMap, makeNewContext, simplify, typeCheck

Methods inherited from class Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Function

getGenre

Methods inherited from interface GroundedValue

asIterable, concatenate, containsNode, materialize

Methods inherited from interface Item

getLength, head, isStreamed, itemAt, iterate, reduce, subsequence

Methods inherited from interface Sequence

makeRepeatable

Constructor Details

ExactlyOne

public ExactlyOne()

Method Details

getRequiredCardinality

public int getRequiredCardinality()

Specified by:

getRequiredCardinality in class TreatFn

getErrorCodeForTypeErrors

public String getErrorCodeForTypeErrors()

Description copied from class: TreatFn

Return the error code to be used for type errors

Specified by:

getErrorCodeForTypeErrors in class TreatFn

Returns:

the error code to be used for type errors in the function call. Normally XPTY0004, but different codes are used for functions such as exactly-one()