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Java Source Code / Java Documentation » XML » XPath Saxon » net.sf.saxon.expr 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   net.sf.saxon.expr.ComputedExpression
      net.sf.saxon.expr.ErrorExpression

ErrorExpression
public class ErrorExpression extends ComputedExpression (Code)
Error expression: this expression is generated when the supplied expression cannot be parsed, and the containing element enables forwards-compatible processing. It defers the generation of an error message until an attempt is made to evaluate the expression



Constructor Summary
public  ErrorExpression(XPathException exception)
    

Method Summary
public  intcomputeCardinality()
    
public  voiddisplay(int level, NamePool pool, PrintStream out)
    
public  ItemevaluateItem(XPathContext context)
     Evaluate the expression.
public  ItemTypegetItemType(TypeHierarchy th)
    
public  SequenceIteratoriterate(XPathContext context)
     Iterate over the expression.
public  Expressionoptimize(Optimizer opt, StaticContext env, ItemType contextItemType)
    
public  ExpressiontypeCheck(StaticContext env, ItemType contextItemType)
     Type-check the expression.


Constructor Detail
ErrorExpression
public ErrorExpression(XPathException exception)(Code)
Constructor
Parameters:
  exception - the error found when parsing this expression




Method Detail
computeCardinality
public int computeCardinality()(Code)
Determine the static cardinality



display
public void display(int level, NamePool pool, PrintStream out)(Code)
Diagnostic print of expression structure



evaluateItem
public Item evaluateItem(XPathContext context) throws XPathException(Code)
Evaluate the expression. This always throws the exception registered when the expression was first parsed.



getItemType
public ItemType getItemType(TypeHierarchy th)(Code)
Determine the data type of the expression, if possible Type.ITEM (meaning not known in advance)
Parameters:
  th -



iterate
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)
Iterate over the expression. This always throws the exception registered when the expression was first parsed.



optimize
public Expression optimize(Optimizer opt, StaticContext env, ItemType contextItemType) throws XPathException(Code)



typeCheck
public Expression typeCheck(StaticContext env, ItemType contextItemType) throws XPathException(Code)
Type-check the expression.



Fields inherited from net.sf.saxon.expr.ComputedExpression
protected int locationId(Code)(Java Doc)
protected int staticProperties(Code)(Java Doc)

Methods inherited from net.sf.saxon.expr.ComputedExpression
public void adoptChildExpression(Expression child)(Code)(Java Doc)
public void checkPermittedContents(SchemaType parentType, StaticContext env, boolean whole) throws XPathException(Code)(Java Doc)
abstract protected int computeCardinality()(Code)(Java Doc)
public int computeDependencies()(Code)(Java Doc)
public int computeSpecialProperties()(Code)(Java Doc)
final public void computeStaticProperties()(Code)(Java Doc)
final public Expression doPromotion(Expression subexpression, PromotionOffer offer) throws XPathException(Code)(Java Doc)
protected void dynamicError(String message, XPathContext context) throws DynamicError(Code)(Java Doc)
protected void dynamicError(String message, String code, XPathContext context) throws DynamicError(Code)(Java Doc)
public boolean effectiveBooleanValue(XPathContext context) throws XPathException(Code)(Java Doc)
public String evaluateAsString(XPathContext context) throws XPathException(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int getCardinality()(Code)(Java Doc)
public int getColumnNumber()(Code)(Java Doc)
protected int getConstructType()(Code)(Java Doc)
public int getDependencies()(Code)(Java Doc)
public Executable getExecutable()(Code)(Java Doc)
public int getImplementationMethod()(Code)(Java Doc)
public InstructionInfo getInstructionInfo()(Code)(Java Doc)
public int getIntrinsicDependencies()(Code)(Java Doc)
public int getLineNumber()(Code)(Java Doc)
final public int getLocationId()(Code)(Java Doc)
public LocationProvider getLocationProvider()(Code)(Java Doc)
public Container getParentExpression()(Code)(Java Doc)
final public String getPublicId()(Code)(Java Doc)
public int[] getSlotsUsed()(Code)(Java Doc)
final public int getSpecialProperties()(Code)(Java Doc)
public String getSystemId()(Code)(Java Doc)
public boolean hasBadParentPointer()(Code)(Java Doc)
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)(Java Doc)
public Iterator iterateSubExpressions()(Code)(Java Doc)
public boolean markTailFunctionCalls()(Code)(Java Doc)
public void process(XPathContext context) throws XPathException(Code)(Java Doc)
public Expression promote(PromotionOffer offer) throws XPathException(Code)(Java Doc)
final public void resetStaticProperties()(Code)(Java Doc)
public void setLocationId(int id)(Code)(Java Doc)
public void setParentExpression(Container parent)(Code)(Java Doc)
public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)
public void suppressValidation(int validationMode)(Code)(Java Doc)
protected void typeError(String message, XPathContext context) throws DynamicError(Code)(Java Doc)
protected void typeError(String message, String errorCode, XPathContext context) throws DynamicError(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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