Package net.sf.saxon.functions

Class PositionAndLast.Position

java.lang.Object

net.sf.saxon.functions.AbstractFunction

net.sf.saxon.functions.SystemFunction

net.sf.saxon.functions.ContextAccessorFunction

net.sf.saxon.functions.PositionAndLast

net.sf.saxon.functions.PositionAndLast.Position

All Implemented Interfaces:

Callable, FunctionItem, GroundedValue, Item, Sequence

Enclosing class:

PositionAndLast

public static class PositionAndLast.Position
extends PositionAndLast

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PositionAndLast.Position.PositionFnElaborator

Nested classes/interfaces inherited from class net.sf.saxon.functions.PositionAndLast

PositionAndLast.Last, PositionAndLast.Position

Constructor Summary

Constructors

Constructor	Description
Position()

Method Summary

Modifier and Type	Method	Description
Int64Value	evaluateItem(XPathContext c)	Evaluate in a general context
String	getCompilerName()	Get the (local) name of a class that can be used to generate bytecode for this system function
Elaborator	getElaborator()	Make an elaborator for a system function call on this function

Methods inherited from class net.sf.saxon.functions.PositionAndLast

bindContext, call, getIntegerBounds, getNetCost, isContextPossiblyUndefined, supplyTypeInformation

Methods inherited from class net.sf.saxon.functions.SystemFunction

dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getContextNode, getDescription, getDetails, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, getStreamerName, getUniStringArg, hashCode, importAttributes, isSequenceVariadic, isTrustedResultType, makeCall, makeFunction, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, toShortString, toString, typeCheckCaller

Methods inherited from class net.sf.saxon.functions.AbstractFunction

atomize, deepEquals, effectiveBooleanValue, getAnnotations, getUnicodeStringValue, isArray, isMap, makeNewContext, simplify, typeCheck

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.saxon.om.FunctionItem

getGenre

Methods inherited from interface net.sf.saxon.om.GroundedValue

asIterable, concatenate, containsNode, materialize

Methods inherited from interface net.sf.saxon.om.Item

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

Methods inherited from interface net.sf.saxon.om.Sequence

makeRepeatable

Constructor Details

Position

public Position()

Method Details

evaluateItem

public Int64Value evaluateItem(XPathContext c)
                        throws XPathException

Description copied from class: PositionAndLast

Evaluate in a general context

Specified by:

evaluateItem in class PositionAndLast

Throws:

XPathException

getCompilerName

public String getCompilerName()

Description copied from class: SystemFunction

Get the (local) name of a class that can be used to generate bytecode for this system function

Overrides:

getCompilerName in class SystemFunction

Returns:

the name of a bytecode generation class, or null if there is no bytecode support for this function

getElaborator

public Elaborator getElaborator()

Make an elaborator for a system function call on this function

Overrides:

getElaborator in class SystemFunction

Returns:

a suitable elaborator; or null if no custom elaborator is available