Class CurrentItemExpression

java.lang.Object

net.sf.saxon.expr.Expression

net.sf.saxon.expr.ContextItemExpression

net.sf.saxon.expr.CurrentItemExpression

All Implemented Interfaces:

Serializable, SourceLocator, LocationProvider, SaxonLocator, InstructionInfo, Locator

public class CurrentItemExpression
extends ContextItemExpression

The expression is generated when compiling the current() function in XSLT. It differs from the ContextItemExpression "." only in the error code that is returned when there is no context item.

See Also:

• Serialized Form

Field Summary

Fields inherited from class ContextItemExpression

contextPossiblyUndefined, itemType

Fields inherited from class Expression

EFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, EVENT_FEED_METHOD, ITEM_FEED_METHOD, ITERATE_METHOD, locationId, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, PROCESS_METHOD, PUSH_SELECTION, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, WATCH_METHOD

Constructor Summary

Constructors

Constructor	Description
CurrentItemExpression()

Method Summary

Modifier and Type	Method	Description
protected String	getErrorCodeForUndefinedContext()	Get the error code for use when there is no context item

Methods inherited from class ContextItemExpression

addToPathMap, computeCardinality, computeSpecialProperties, copy, equals, evaluateItem, explain, getExpressionName, getIntrinsicDependencies, getItemType, hashCode, isContextPossiblyUndefined, isSubtreeExpression, iterate, optimize, toString, typeCheck

Methods inherited from class Expression

adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, evaluatePendingUpdates, explain, getCardinality, getColumnNumber, getColumnNumber, getConstructType, getContainer, getDependencies, getEvaluationMethod, getExecutable, getHostLanguage, getImplementationMethod, getIntegerBounds, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, getSystemId, hasLoopingSubexpression, hasVariableBinding, implementsStaticTypeCheck, isUpdatingExpression, isVacuousExpression, iterateEvents, iterateSameFocusSubExpressions, iterateSubExpressions, markTailFunctionCalls, process, promote, replaceSubExpression, resetLocalStaticProperties, setContainer, setEvaluationMethod, setFiltered, setFlattened, setLocationId, simplify, staticTypeCheck, suppressValidation, typeError

Methods inherited from class Object

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

Constructor Details

CurrentItemExpression

public CurrentItemExpression()

Method Details

getErrorCodeForUndefinedContext

protected String getErrorCodeForUndefinedContext()

Get the error code for use when there is no context item

Overrides:

getErrorCodeForUndefinedContext in class ContextItemExpression

Returns:

the string "XTDE1360"