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java.lang.Object | +--net.sf.saxon.expr.ComputedExpression | +--net.sf.saxon.instruct.Instruction | +--net.sf.saxon.instruct.InstructionWithChildren | +--net.sf.saxon.instruct.Message
An xsl:message element in the stylesheet.
Field Summary |
Fields inherited from class net.sf.saxon.instruct.InstructionWithChildren |
children |
Fields inherited from class net.sf.saxon.expr.ComputedExpression |
locationId, staticProperties |
Fields inherited from interface net.sf.saxon.expr.Expression |
EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD |
Constructor Summary | |
Message(Expression select,
Expression terminate)
|
Method Summary | |
void |
display(int level,
NamePool pool,
java.io.PrintStream out)
Diagnostic print of expression structure. |
int |
getCardinality()
Determine the static cardinality of the expression. |
int |
getInstructionNameCode()
Get the name of this instruction for diagnostic and tracing purposes |
ItemType |
getItemType()
Get the item type of the items returned by evaluating this instruction |
java.util.Iterator |
iterateSubExpressions()
Get all the XPath expressions associated with this instruction (in XSLT terms, the expression present on attributes of the instruction, as distinct from the child instructions in a sequence construction) |
TailCall |
processLeavingTail(XPathContext context)
ProcessLeavingTail: called to do the real work of this instruction. |
protected void |
promoteInst(PromotionOffer offer)
Handle promotion offers, that is, non-local tree rewrites. |
Methods inherited from class net.sf.saxon.instruct.InstructionWithChildren |
analyze, displayChildren, getChildren, processChildren, processChildrenLeavingTail, setChildren, simplify |
Methods inherited from class net.sf.saxon.instruct.Instruction |
appendItem, assembleParams, assembleTunnelParams, computeCardinality, computeSpecialProperties, dynamicError, dynamicError, effectiveBooleanValue, evaluateAsString, evaluateItem, getImplementationMethod, getInstructionInfo, getSourceLocator, iterate, process, promote |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.xml.transform.SourceLocator |
getColumnNumber, getLineNumber, getPublicId, getSystemId |
Constructor Detail |
public Message(Expression select, Expression terminate)
Method Detail |
public int getInstructionNameCode()
getInstructionNameCode
in class Instruction
public ItemType getItemType()
Instruction
getItemType
in interface Expression
getItemType
in class Instruction
public int getCardinality()
ComputedExpression
getCardinality
in interface Expression
getCardinality
in class ComputedExpression
protected void promoteInst(PromotionOffer offer) throws XPathException
promoteInst
in class InstructionWithChildren
offer
- The type of rewrite being offered
XPathException
public java.util.Iterator iterateSubExpressions()
iterateSubExpressions
in interface Expression
iterateSubExpressions
in class InstructionWithChildren
public TailCall processLeavingTail(XPathContext context) throws XPathException
Instruction
processLeavingTail
in class Instruction
context
- The dynamic context of the transformation, giving access to the current node,
the current variables, etc.
XPathException
public void display(int level, NamePool pool, java.io.PrintStream out)
level
- indentation level for this expressionout
- pool
- NamePool used to expand any names appearing in the expression
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