org.teiid.query.sql.visitor

Class ExpressionMappingVisitor

java.lang.Object

org.teiid.query.sql.LanguageVisitor

org.teiid.query.sql.visitor.ExpressionMappingVisitor

Direct Known Subclasses:

AbstractSymbolMappingVisitor, MultiSourceElementReplacementVisitor, RulePlanSubqueries.ReferenceReplacementVisitor

public class ExpressionMappingVisitor
extends LanguageVisitor

It is important to use a Post Navigator with this class, otherwise a replacement containing itself will not work

Constructor Summary

Constructors

Constructor and Description
ExpressionMappingVisitor(Map symbolMap) Constructor for ExpressionMappingVisitor.
ExpressionMappingVisitor(Map symbolMap, boolean clone)

Method Summary

Modifier and Type	Method and Description
protected boolean	createAliases()
protected Map	getVariableValues()
boolean	isClone()
static void	mapExpressions(LanguageObject obj, Map<? extends Expression,? extends Expression> exprMap) The object is modified in place, so is not returned.
static void	mapExpressions(LanguageObject obj, Map<? extends Expression,? extends Expression> exprMap, boolean deep) The object is modified in place, so is not returned.
Expression	replaceExpression(Expression element)
void	setClone(boolean clone)
protected void	setVariableValues(Map variableValues)
void	visit(AggregateSymbol obj)
void	visit(AliasSymbol obj)
void	visit(Array array)
void	visit(AssignmentStatement obj)
void	visit(BetweenCriteria obj)
void	visit(CaseExpression obj)
void	visit(CompareCriteria obj)
void	visit(DependentSetCriteria obj)
void	visit(DerivedColumn obj)
void	visit(DynamicCommand obj)
void	visit(ExceptionExpression exceptionExpression)
void	visit(ExpressionCriteria obj)
void	visit(ExpressionSymbol expr)
void	visit(Function obj)
void	visit(GroupBy obj) Swap each ElementSymbol in GroupBy (other symbols are ignored).
void	visit(Insert obj)
void	visit(IsDistinctCriteria isDistinctCriteria)
void	visit(IsNullCriteria obj)
void	visit(JsonTable obj)
void	visit(Limit obj)
void	visit(MatchCriteria obj)
void	visit(ObjectTable obj)
void	visit(OrderByItem obj)
void	visit(QueryString obj)
void	visit(ReturnStatement obj)
void	visit(SearchedCaseExpression obj)
void	visit(Select obj)
void	visit(SetClause obj)
void	visit(SetCriteria obj)
void	visit(StoredProcedure obj)
void	visit(SubqueryCompareCriteria obj)
void	visit(SubquerySetCriteria obj)
void	visit(WindowSpecification windowSpecification)
void	visit(XMLElement obj)
void	visit(XMLParse obj)
void	visit(XMLSerialize obj)
void	visit(XMLTable obj)

Methods inherited from class org.teiid.query.sql.LanguageVisitor

setAbort, shouldAbort, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionMappingVisitor

public ExpressionMappingVisitor(Map symbolMap)

Constructor for ExpressionMappingVisitor.

Parameters:

symbolMap - Map of ElementSymbol to Expression

ExpressionMappingVisitor

public ExpressionMappingVisitor(Map symbolMap,
                                boolean clone)

Method Detail

createAliases

protected boolean createAliases()

visit

public void visit(Select obj)

Overrides:

visit in class LanguageVisitor

isClone

public boolean isClone()

setClone

public void setClone(boolean clone)

visit

public void visit(DerivedColumn obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(XMLTable obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(JsonTable obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ObjectTable obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(XMLSerialize obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(XMLParse obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(AliasSymbol obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(org.teiid.query.sql.symbol.AliasSymbol)

visit

public void visit(ExpressionSymbol expr)

Overrides:

visit in class LanguageVisitor

visit

public void visit(BetweenCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(BetweenCriteria)

visit

public void visit(CaseExpression obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(CompareCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(CompareCriteria)

visit

public void visit(Function obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(Function)

visit

public void visit(IsNullCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(IsNullCriteria)

visit

public void visit(MatchCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(MatchCriteria)

visit

public void visit(SearchedCaseExpression obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(SetCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(SetCriteria)

visit

public void visit(DependentSetCriteria obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(SubqueryCompareCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(org.teiid.query.sql.lang.SubqueryCompareCriteria)

visit

public void visit(SubquerySetCriteria obj)

Overrides:

visit in class LanguageVisitor

See Also:

LanguageVisitor.visit(org.teiid.query.sql.lang.SubquerySetCriteria)

replaceExpression

public Expression replaceExpression(Expression element)

visit

public void visit(StoredProcedure obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(AggregateSymbol obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(GroupBy obj)

Swap each ElementSymbol in GroupBy (other symbols are ignored).

Overrides:

visit in class LanguageVisitor

Parameters:

obj - Object to remap

visit

public void visit(OrderByItem obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(Limit obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(DynamicCommand obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(SetClause obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(QueryString obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ExpressionCriteria obj)

Overrides:

visit in class LanguageVisitor

mapExpressions

public static void mapExpressions(LanguageObject obj,
                                  Map<? extends Expression,? extends Expression> exprMap)

The object is modified in place, so is not returned.

Parameters:

obj - Language object

exprMap - Expression map, Expression to Expression

mapExpressions

public static void mapExpressions(LanguageObject obj,
                                  Map<? extends Expression,? extends Expression> exprMap,
                                  boolean deep)

The object is modified in place, so is not returned.

Parameters:

obj - Language object

exprMap - Expression map, Expression to Expression

setVariableValues

protected void setVariableValues(Map variableValues)

getVariableValues

protected Map getVariableValues()

visit

public void visit(AssignmentStatement obj)

Overrides:

visit in class LanguageVisitor

Since:

5.0

See Also:

LanguageVisitor.visit(org.teiid.query.sql.proc.AssignmentStatement)

visit

public void visit(Insert obj)

Overrides:

visit in class LanguageVisitor

Since:

5.0

See Also:

LanguageVisitor.visit(org.teiid.query.sql.lang.Insert)

visit

public void visit(XMLElement obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(WindowSpecification windowSpecification)

Overrides:

visit in class LanguageVisitor

visit

public void visit(Array array)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ExceptionExpression exceptionExpression)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ReturnStatement obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(IsDistinctCriteria isDistinctCriteria)

Overrides:

visit in class LanguageVisitor