java.io.Serializable
, javax.xml.transform.SourceLocator
, LocationProvider
, SaxonLocator
, EvaluableItem
, SequenceIterable
, InstructionInfo
, org.xml.sax.Locator
Data
, DefaultCollation
, StaticBaseURI
, Unordered
public abstract class CompileTimeFunction extends SystemFunction
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties
argument
operation
Constructor | Description |
---|---|
CompileTimeFunction() |
Modifier and Type | Method | Description |
---|---|---|
Item |
evaluateItem(XPathContext c) |
Evaluate as a single item
|
SequenceIterator |
iterate(XPathContext c) |
Iterate over the results of the function
|
Expression |
preEvaluate(ExpressionVisitor visitor) |
preEvaluate: this method suppresses compile-time evaluation by doing nothing.
|
addToPathMap, 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, typeError
addExternalFunctionCallToPathMap, checkArgumentCount, equals, explain, getArguments, getDisplayName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheck
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
addContextDocumentArgument, addDocToPathMap, checkArguments, computeCardinality, computeSpecialProperties, copy, getDetails, getErrorCodeForTypeErrors, getItemType, getRequiredType, makeSystemFunction, optimize, setDetails, useContextItemAsDefault
public Expression preEvaluate(ExpressionVisitor visitor) throws XPathException
preEvaluate
in class FunctionCall
visitor
- an expression visitorXPathException
public final Item evaluateItem(XPathContext c) throws XPathException
evaluateItem
in interface EvaluableItem
evaluateItem
in class Expression
c
- The context in which the expression is to be evaluatedXPathException
- if any dynamic error occurs evaluating the
expressionpublic final SequenceIterator iterate(XPathContext c)
iterate
in interface SequenceIterable
iterate
in class Expression
c
- supplies the context for evaluation