java.io.Serializable, javax.xml.transform.SourceLocator, LocationProvider, SaxonLocator, EvaluableItem, SequenceIterable, InstructionInfo, org.xml.sax.Locatorpublic class Unordered extends CompileTimeFunction
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticPropertiesargumentoperation| Constructor | Description |
|---|---|
Unordered() |
| Modifier and Type | Method | Description |
|---|---|---|
Expression |
optimize(ExpressionVisitor visitor,
ItemType contextItemType) |
Perform optimisation of an expression and its subexpressions.
|
Expression |
preEvaluate(ExpressionVisitor visitor) |
preEvaluate: called if the argument is constant
|
Expression |
typeCheck(ExpressionVisitor visitor,
ItemType contextItemType) |
Type-check the expression.
|
evaluateItem, iterateaddToPathMap, adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, display, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, evaluatePendingUpdates, explain, findParentOf, getCardinality, getColumnNumber, getColumnNumber, getConstructType, getContainer, getDependencies, getExecutable, getHostLanguage, getImplementationMethod, getIntrinsicDependencies, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, getSystemId, hasLoopingSubexpression, implementsStaticTypeCheck, isUpdatingExpression, iterateEvents, markTailFunctionCalls, process, resetLocalStaticProperties, setContainer, setFiltered, setFlattened, setLocationId, staticTypeCheck, suppressValidation, typeErroraddExternalFunctionCallToPathMap, checkArgumentCount, equals, explain, getArguments, getDisplayName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toStringclone, finalize, getClass, notify, notifyAll, wait, wait, waitaddContextDocumentArgument, addDocToPathMap, checkArguments, computeCardinality, computeSpecialProperties, copy, getDetails, getErrorCodeForTypeErrors, getItemType, getRequiredType, makeSystemFunction, setDetails, useContextItemAsDefaultpublic Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException
FunctionCalltypeCheck in class FunctionCallvisitor - an expression visitorcontextItemType - the static type of "." at the point where this expression is invoked.
The parameter is set to null if it is known statically that the context item will be undefined.
If the type of the context item is not known statically, the argument is set to
Type.ITEM_TYPEXPathException - if an error is discovered during this phase
(typically a type error)public Expression optimize(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException
SystemFunctionThis method is called after all references to functions and variables have been resolved to the declaration of the function or variable, and after all type checking has been done.
optimize in class SystemFunctionvisitor - an expression visitorcontextItemType - the static type of "." at the point where this expression is invoked.
The parameter is set to null if it is known statically that the context item will be undefined.
If the type of the context item is not known statically, the argument is set to
Type.ITEM_TYPEXPathException - if an error is discovered during this phase
(typically a type error)public Expression preEvaluate(ExpressionVisitor visitor) throws XPathException
preEvaluate in class CompileTimeFunctionvisitor - an expression visitorXPathException