jrun.ejb.ejbql
Class VisitorAdapter

java.lang.Object
  |
  +--jrun.ejb.ejbql.VisitorAdapter

All Implemented Interfaces:

Visitor

Direct Known Subclasses:

PrintingVisitor, SQLVisitor, ValidatingVisitor

public abstract class VisitorAdapter

extends java.lang.Object

implements Visitor

Common implementation shared by concrete Visitor classes. By default, each visitor method "visits" all the child elements of an element. Concrete sub-classes only need to override the visit methods for the element types they care about.

Author:

Enrique Duvos

Constructor Summary

protected

VisitorAdapter(int traversalType)

Method Summary

protected int	getTraversalType()
void	visitBetweenExpression(OperatorExpression expression)
void	visitComparisonExpression(OperatorExpression expression)
protected void	visitElements(Element element)
void	visitEmptyCollectionExpression(OperatorExpression expression)
void	visitFromClause(FromClause fromClause)
void	visitIdentificationVar(IdentificationVar identVar)
void	visitInExpression(OperatorExpression expression)
void	visitLikeExpression(OperatorExpression expression)
void	visitLiteral(Literal literal)
void	visitMemberOfExpression(OperatorExpression expression)
void	visitNavigationExpression(NavigationExpression navigationExpr)
void	visitNullComparisonExpression(OperatorExpression expression)
void	visitOperator(Operator operator)
void	visitOperatorExpression(OperatorExpression expression)
void	visitQuery(EjbQLQuery query)
void	visitSelectClause(SelectClause selectClause)
void	visitSymbol(Symbol symbol)
void	visitWhereClause(WhereClause whereClause)

Methods inherited from class java.lang.Object

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

Constructor Detail

VisitorAdapter

protected VisitorAdapter(int traversalType)

Method Detail

visitQuery

public void visitQuery(EjbQLQuery query)

Specified by:

visitQuery in interface Visitor

visitIdentificationVar

public void visitIdentificationVar(IdentificationVar identVar)

Specified by:

visitIdentificationVar in interface Visitor

visitNavigationExpression

public void visitNavigationExpression(NavigationExpression navigationExpr)

Specified by:

visitNavigationExpression in interface Visitor

visitWhereClause

public void visitWhereClause(WhereClause whereClause)

Specified by:

visitWhereClause in interface Visitor

visitSelectClause

public void visitSelectClause(SelectClause selectClause)

Specified by:

visitSelectClause in interface Visitor

visitFromClause

public void visitFromClause(FromClause fromClause)

Specified by:

visitFromClause in interface Visitor

visitInExpression

public void visitInExpression(OperatorExpression expression)

Specified by:

visitInExpression in interface Visitor

visitLikeExpression

public void visitLikeExpression(OperatorExpression expression)

Specified by:

visitLikeExpression in interface Visitor

visitNullComparisonExpression

public void visitNullComparisonExpression(OperatorExpression expression)

Specified by:

visitNullComparisonExpression in interface Visitor

visitBetweenExpression

public void visitBetweenExpression(OperatorExpression expression)

Specified by:

visitBetweenExpression in interface Visitor

visitEmptyCollectionExpression

public void visitEmptyCollectionExpression(OperatorExpression expression)

Specified by:

visitEmptyCollectionExpression in interface Visitor

visitMemberOfExpression

public void visitMemberOfExpression(OperatorExpression expression)

Specified by:

visitMemberOfExpression in interface Visitor

visitComparisonExpression

public void visitComparisonExpression(OperatorExpression expression)

Specified by:

visitComparisonExpression in interface Visitor

visitOperatorExpression

public void visitOperatorExpression(OperatorExpression expression)

Specified by:

visitOperatorExpression in interface Visitor

visitLiteral

public void visitLiteral(Literal literal)

Specified by:

visitLiteral in interface Visitor

visitSymbol

public void visitSymbol(Symbol symbol)

Specified by:

visitSymbol in interface Visitor

visitOperator

public void visitOperator(Operator operator)

Specified by:

visitOperator in interface Visitor

getTraversalType

protected int getTraversalType()

visitElements

protected void visitElements(Element element)