Package org.eclipse.persistence.jpa.jpql

Class AbstractValidator.JPQLQueryBNFValidator

java.lang.Object

org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor

org.eclipse.persistence.jpa.jpql.AbstractValidator.JPQLQueryBNFValidator

All Implemented Interfaces:

ExpressionVisitor

Enclosing class:

AbstractValidator

public static class AbstractValidator.JPQLQueryBNFValidator
extends AnonymousExpressionVisitor

This visitor validates any Expression by checking its BNF against some BNFs.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	bypassCompound
protected boolean	valid	Determines whether the visited Expression's BNF is valid based on the BNF that was used for validation.

Constructor Summary

Constructors

Constructor	Description
JPQLQueryBNFValidator(JPQLQueryBNF queryBNF)	Creates a new JPQLQueryBNFValidator.

Method Summary

Modifier and Type	Method	Description
void	dispose()	Disposes of the internal data.
boolean	isValid()	Determines whether the visited Expression is valid or not based on the JPQLQueryBNF that was specified.
void	setBypassCompound(boolean bypassCompound)	Sets
void	validate(JPQLQueryBNF queryBNF)	Validates the given JPQLQueryBNF by making sure it is the one expected or one of the children from the "root" BNF passed to this validator's constructor.
void	visit(BadExpression expression)	Visits the BadExpression expression.
void	visit(CollectionExpression expression)	Visits the CollectionExpression expression.
protected void	visit(Expression expression)	Blindly visit the given Expression.
void	visit(NullExpression expression)	Visits the NullExpression expression.
void	visit(SubExpression expression)	Visits the SubExpression expression.
void	visit(UnknownExpression expression)	Visits the UnknownExpression expression.

Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor

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, 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

Field Detail

bypassCompound

protected boolean bypassCompound

valid

protected boolean valid

Determines whether the visited Expression's BNF is valid based on the BNF that was used for validation.

Constructor Detail

JPQLQueryBNFValidator

public JPQLQueryBNFValidator(JPQLQueryBNF queryBNF)

Creates a new JPQLQueryBNFValidator.

Parameters:

queryBNF - The JPQLQueryBNF used to determine if the expression's BNF is valid

Method Detail

dispose

public void dispose()

Disposes of the internal data.

isValid

public boolean isValid()

Determines whether the visited Expression is valid or not based on the JPQLQueryBNF that was specified.

Returns:

true if the Expression is valid; false otherwise

setBypassCompound

public void setBypassCompound(boolean bypassCompound)

Sets

Parameters:

bypassCompound -

validate

public void validate(JPQLQueryBNF queryBNF)

Validates the given JPQLQueryBNF by making sure it is the one expected or one of the children from the "root" BNF passed to this validator's constructor.

Parameters:

queryBNF - The JPQLQueryBNF to validate

visit

public void visit(BadExpression expression)

Visits the BadExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(CollectionExpression expression)

Visits the CollectionExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

protected void visit(Expression expression)

Blindly visit the given Expression.

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(NullExpression expression)

Visits the NullExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(SubExpression expression)

Visits the SubExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(UnknownExpression expression)

Visits the UnknownExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The UnknownExpression to visit