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Java Source Code / Java Documentation » XML » saxonb » net.sf.saxon.instruct 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   net.sf.saxon.expr.ComputedExpression
      net.sf.saxon.instruct.Instruction
         net.sf.saxon.instruct.ParentNodeConstructor
            net.sf.saxon.instruct.ElementCreator
               net.sf.saxon.instruct.FixedElement

FixedElement
public class FixedElement extends ElementCreator (Code)
An instruction that creates an element node whose name is known statically. Used for literal results elements in XSLT, for direct element constructors in XQuery, and for xsl:element in cases where the name and namespace are known statically.


Field Summary
protected  int[]namespaceCodes
    

Constructor Summary
public  FixedElement(int nameCode, int[] namespaceCodes, boolean inheritNamespaces, SchemaType schemaType, int validation)
    

Method Summary
public  voidcheckPermittedContents(SchemaType parentType, StaticContext env, boolean whole)
     Check that any elements and attributes constructed or returned by this expression are acceptable in the content model of a given complex type.
public  voiddisplay(int level, NamePool pool, PrintStream out)
    
public  int[]getActiveNamespaces()
     Callback to get a list of the intrinsic namespaces that need to be generated for the element. The result is an array of namespace codes, the codes either occupy the whole array or are terminated by a -1 entry.
public  InstructionInfogetInstructionInfo()
    
public  ItemTypegetItemType(TypeHierarchy th)
    
public  intgetNameCode(XPathContext context)
    
public  SchemaTypegetXSIType(StaticContext env)
     Determine whether the element constructor creates a fixed xsi:type attribute, and if so, return the relevant type.
protected  voidoutputNamespaceNodes(XPathContext context, Receiver out)
    
public  Expressionsimplify(StaticContext env)
     Simplify an expression.

Field Detail
namespaceCodes
protected int[] namespaceCodes(Code)




Constructor Detail
FixedElement
public FixedElement(int nameCode, int[] namespaceCodes, boolean inheritNamespaces, SchemaType schemaType, int validation)(Code)
Create an instruction that creates a new element node
Parameters:
  nameCode - Represents the name of the element node
Parameters:
  namespaceCodes - List of namespaces to be added to the element node.May be null if none are required.
Parameters:
  inheritNamespaces - true if the children of this element are to inherit its namespaces
Parameters:
  schemaType - Type annotation for the new element node




Method Detail
checkPermittedContents
public void checkPermittedContents(SchemaType parentType, StaticContext env, boolean whole) throws XPathException(Code)
Check that any elements and attributes constructed or returned by this expression are acceptable in the content model of a given complex type. It's always OK to say yes, since the check will be repeated at run-time. The process of checking element and attribute constructors against the content model of a complex type also registers the type of content expected of those constructors, so the static validation can continue recursively.



display
public void display(int level, NamePool pool, PrintStream out)(Code)
Display this instruction as an expression, for diagnostics



getActiveNamespaces
public int[] getActiveNamespaces() throws XPathException(Code)
Callback to get a list of the intrinsic namespaces that need to be generated for the element. The result is an array of namespace codes, the codes either occupy the whole array or are terminated by a -1 entry. A result of null is equivalent to a zero-length array.



getInstructionInfo
public InstructionInfo getInstructionInfo()(Code)



getItemType
public ItemType getItemType(TypeHierarchy th)(Code)
Get the type of the item returned by this instruction the item type
Parameters:
  th -



getNameCode
public int getNameCode(XPathContext context)(Code)
Callback from the superclass ElementCreator to get the nameCode for the element name
Parameters:
  context - The evaluation context (not used) the name code for the element name



getXSIType
public SchemaType getXSIType(StaticContext env) throws XPathException(Code)
Determine whether the element constructor creates a fixed xsi:type attribute, and if so, return the relevant type. the type denoted by the constructor's xsi:type attribute if there is one.Return null if there is no xsi:type attribute, or if the value of the xsi:typeattribute is a type that is not statically known (this is allowed)
throws:
  XPathException - if there is an xsi:type attribute and its value is not a QName.



outputNamespaceNodes
protected void outputNamespaceNodes(XPathContext context, Receiver out) throws XPathException(Code)
Callback from the superclass ElementCreator to output the namespace nodes
Parameters:
  context - The evaluation context (not used)
Parameters:
  out - The receiver to handle the output



simplify
public Expression simplify(StaticContext env) throws XPathException(Code)
Simplify an expression. This performs any static optimization (by rewriting the expression as a different expression). the simplified expression
throws:
  net.sf.saxon.trans.XPathException - if an error is discovered during expression rewriting



Fields inherited from net.sf.saxon.instruct.ElementCreator
protected boolean inheritNamespaces(Code)(Java Doc)

Methods inherited from net.sf.saxon.instruct.ElementCreator
public int computeSpecialProperties()(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int[] getActiveNamespaces() throws XPathException(Code)(Java Doc)
public int getImplementationMethod()(Code)(Java Doc)
public ItemType getItemType(TypeHierarchy th)(Code)(Java Doc)
abstract public int getNameCode(XPathContext context) throws XPathException(Code)(Java Doc)
public int getValidationMode()(Code)(Java Doc)
abstract protected void outputNamespaceNodes(XPathContext context, Receiver receiver) throws XPathException(Code)(Java Doc)
public TailCall processLeavingTail(XPathContext context) throws XPathException(Code)(Java Doc)
public void setValidationMode(int mode)(Code)(Java Doc)
public void suppressValidation(int validationMode)(Code)(Java Doc)

Fields inherited from net.sf.saxon.instruct.ParentNodeConstructor
protected Expression content(Code)(Java Doc)
int validation(Code)(Java Doc)

Methods inherited from net.sf.saxon.instruct.ParentNodeConstructor
final public boolean createsNewNodes()(Code)(Java Doc)
public int getCardinality()(Code)(Java Doc)
public Expression getContentExpression()(Code)(Java Doc)
public SchemaType getSchemaType()(Code)(Java Doc)
public int getValidationAction()(Code)(Java Doc)
final public boolean isLazyConstruction()(Code)(Java Doc)
public boolean isNamespaceSensitive()(Code)(Java Doc)
public Iterator iterateSubExpressions()(Code)(Java Doc)
public Expression optimize(Optimizer opt, StaticContext env, ItemType contextItemType) throws XPathException(Code)(Java Doc)
protected void promoteInst(PromotionOffer offer) throws XPathException(Code)(Java Doc)
public void setContentExpression(Expression content)(Code)(Java Doc)
public void setLazyConstruction(boolean lazy)(Code)(Java Doc)
public void setSchemaType(SchemaType type)(Code)(Java Doc)
public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)
public Expression typeCheck(StaticContext env, ItemType contextItemType) throws XPathException(Code)(Java Doc)
void verifyLazyConstruction()(Code)(Java Doc)

Methods inherited from net.sf.saxon.instruct.Instruction
public static void appendItem(Item it, SequenceReceiver out, int locationId) throws XPathException(Code)(Java Doc)
protected static ParameterSet assembleParams(XPathContext context, WithParam[] actualParams) throws XPathException(Code)(Java Doc)
protected static ParameterSet assembleTunnelParams(XPathContext context, WithParam[] actualParams) throws XPathException(Code)(Java Doc)
public int computeCardinality()(Code)(Java Doc)
public int computeSpecialProperties()(Code)(Java Doc)
public boolean createsNewNodes()(Code)(Java Doc)
protected static XPathException dynamicError(SourceLocator loc, XPathException error, XPathContext context)(Code)(Java Doc)
final public String evaluateAsString(XPathContext context) throws XPathException(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int getImplementationMethod()(Code)(Java Doc)
public InstructionInfo getInstructionInfo()(Code)(Java Doc)
public int getInstructionNameCode()(Code)(Java Doc)
public ItemType getItemType(TypeHierarchy th)(Code)(Java Doc)
public SourceLocator getSourceLocator()(Code)(Java Doc)
public boolean isXSLT(XPathContext context)(Code)(Java Doc)
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)(Java Doc)
public void process(XPathContext context) throws XPathException(Code)(Java Doc)
abstract public TailCall processLeavingTail(XPathContext context) throws XPathException(Code)(Java Doc)
public Expression promote(PromotionOffer offer) throws XPathException(Code)(Java Doc)
protected void promoteInst(PromotionOffer offer) throws XPathException(Code)(Java Doc)
abstract public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)

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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