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java.lang.Object
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+--net.sf.saxon.expr.ComputedExpression
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+--net.sf.saxon.instruct.Instruction
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+--net.sf.saxon.instruct.GeneralVariable
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+--net.sf.saxon.sql.SQLColumn.ColumnInstruction
| Field Summary |
| Fields inherited from class net.sf.saxon.instruct.GeneralVariable |
nameCode |
| 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 | |
SQLColumn.ColumnInstruction()
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| Method Summary | |
Value |
evaluateVariable(XPathContext context)
Evaluate the variable (method exists only to satisfy the interface) |
InstructionInfo |
getInstructionInfo()
Get InstructionInfo for this expression |
TailCall |
processLeavingTail(XPathContext context)
ProcessLeavingTail: called to do the real work of this instruction. |
| Methods inherited from class net.sf.saxon.instruct.GeneralVariable |
analyze, display, evaluateItem, getCardinality, getInstructionNameCode, getItemType, getNameCode, getRequiredType, getSelectExpression, getSelectValue, getSlotNumber, getVariableFingerprint, getVariableName, init, isAssignable, isGlobal, isRequiredParam, isTunnelParam, iterate, iterateSubExpressions, promoteInst, setAssignable, setNameCode, setRequiredParam, setRequiredType, setSelectExpression, setSlotNumber, setTunnel, setVariableName, simplify |
| Methods inherited from class net.sf.saxon.instruct.Instruction |
appendItem, assembleParams, assembleTunnelParams, computeCardinality, computeSpecialProperties, dynamicError, dynamicError, effectiveBooleanValue, evaluateAsString, getImplementationMethod, getSourceLocator, 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 SQLColumn.ColumnInstruction()
| Method Detail |
public InstructionInfo getInstructionInfo()
ComputedExpression
getInstructionInfo in interface InstructionInfoProvidergetInstructionInfo in class Instructionpublic TailCall processLeavingTail(XPathContext context)
Instruction
processLeavingTail in class Instructioncontext - The dynamic context of the transformation, giving access to the current node,
the current variables, etc.
public Value evaluateVariable(XPathContext context)
throws XPathException
XPathException
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