CurrentItemExpression

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java.lang.Object
- net.sf.saxon.expr.Expression
- - net.sf.saxon.expr.ContextItemExpression
  - - net.sf.saxon.expr.CurrentItemExpression

All Implemented Interfaces:

java.io.Serializable, javax.xml.transform.SourceLocator, LocationProvider, SaxonLocator, EvaluableItem, SequenceIterable, InstructionInfo, org.xml.sax.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 net.sf.saxon.expr.Expression
  EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties

Constructor Summary

Constructors
Constructor Description

CurrentItemExpression()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.String`	`getErrorCodeForUndefinedContext()`	Get the error code for use when there is no context item

Methods inherited from class net.sf.saxon.expr.ContextItemExpression
addToPathMap, computeCardinality, computeSpecialProperties, copy, equals, evaluateItem, explain, getIntrinsicDependencies, getItemType, hashCode, iterate, optimize, toString, typeCheck

Methods inherited from class net.sf.saxon.expr.Expression
adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, display, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, evaluatePendingUpdates, explain, findParentOf, getCardinality, getColumnNumber, getColumnNumber, getConstructType, getContainer, getDependencies, getExecutable, getHostLanguage, getImplementationMethod, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, getSystemId, hasLoopingSubexpression, implementsStaticTypeCheck, isUpdatingExpression, iterateEvents, iterateSubExpressions, markTailFunctionCalls, process, promote, replaceSubExpression, resetLocalStaticProperties, setContainer, setFiltered, setFlattened, setLocationId, simplify, staticTypeCheck, suppressValidation, typeError

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - CurrentItemExpression
```
public CurrentItemExpression()
```
- Method Detail
  - getErrorCodeForUndefinedContext
```
protected java.lang.String getErrorCodeForUndefinedContext()
```
    Get the error code for use when there is no context item
    
    Overrides:
    
    getErrorCodeForUndefinedContext in class ContextItemExpression
    
    Returns:
    
    the string "XTDE1360"

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