org.cdlib.xtf.saxonExt.sql

Class SQLColumn.ColumnInstruction

Object

Expression

Instruction

GeneralVariable

SQLColumn.ColumnInstruction

All Implemented Interfaces:

Serializable, SourceLocator, Binding, Container, EvaluableItem, SequenceIterable, TailCallReturner, InstructionInfoProvider

Enclosing class:

SQLColumn

protected static class SQLColumn.ColumnInstruction
extends GeneralVariable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	evalSql
(package private) String	name

Fields inherited from class GeneralVariable

evaluationMode, nameCode, referenceCount, slotNumber

Fields inherited from class Expression

EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties

Constructor Summary

Constructors

Constructor and Description
ColumnInstruction(String name, boolean evalSql)

Method Summary

Modifier and Type	Method and Description
boolean	evalSql()
ValueRepresentation	evaluateVariable(XPathContext context) Evaluate the variable (method exists only to satisfy the interface)
String	getColumnName()
InstructionInfo	getInstructionInfo()
TailCall	processLeavingTail(XPathContext context)

Methods inherited from class GeneralVariable

display, evaluateItem, getCardinality, getInstructionNameCode, getItemType, getLocalSlotNumber, getNameCode, getRequiredType, getSelectExpression, getSelectValue, getSlotNumber, getVariableFingerprint, getVariableName, init, isAssignable, isGlobal, isImplicitlyRequiredParam, isRequiredParam, isTunnelParam, iterate, iterateSubExpressions, optimize, promoteInst, replaceSubExpression, setAssignable, setImplicitlyRequiredParam, setNameCode, setReferenceCount, setRequiredParam, setRequiredType, setSelectExpression, setSlotNumber, setTunnel, setVariableName, simplify, typeCheck

Methods inherited from class Instruction

appendItem, assembleParams, assembleTunnelParams, computeCardinality, computeSpecialProperties, createsNewNodes, dynamicError, evaluateAsString, getImplementationMethod, getSourceLocator, isXSLT, process, promote

Methods inherited from class Expression

adoptChildExpression, checkPermittedContents, computeDependencies, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, getColumnNumber, getConstructType, getContainingProcedure, getDependencies, getExecutable, getHostLanguage, getIntrinsicDependencies, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, markTailFunctionCalls, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, suppressValidation, typeError

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface SourceLocator

getColumnNumber, getLineNumber, getPublicId, getSystemId

Field Detail

name

String name

evalSql

boolean evalSql

Constructor Detail

ColumnInstruction

public ColumnInstruction(String name,
                         boolean evalSql)

Method Detail

getColumnName

public String getColumnName()

evalSql

public boolean evalSql()

getInstructionInfo

public InstructionInfo getInstructionInfo()

Specified by:

getInstructionInfo in interface InstructionInfoProvider

Overrides:

getInstructionInfo in class Instruction

processLeavingTail

public TailCall processLeavingTail(XPathContext context)

Specified by:

processLeavingTail in interface TailCallReturner

Specified by:

processLeavingTail in class Instruction

evaluateVariable

public ValueRepresentation evaluateVariable(XPathContext context)
                                     throws XPathException

Evaluate the variable (method exists only to satisfy the interface)

Throws:

XPathException