org.eclipse.persistence.jpa.jpql
Class AbstractSemanticValidator.ComparisonExpressionVisitor

java.lang.Object
  org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor
      org.eclipse.persistence.jpa.jpql.AbstractSemanticValidator.ComparisonExpressionVisitor

All Implemented Interfaces:

ExpressionVisitor

Enclosing class:

AbstractSemanticValidator

protected class AbstractSemanticValidator.ComparisonExpressionVisitor
extends AnonymousExpressionVisitor

This visitor compares the left and right expressions of a comparison expression and gathers information about those expressions if they are an identification variable or a path expression.

Field Summary

boolean	leftIdentificationVariable
boolean	leftIdentificationVariableValid
boolean	leftStateFieldPathExpression
boolean	leftStateFieldPathExpressionValid
boolean	rightIdentificationVariable
boolean	rightIdentificationVariableValid
boolean	rightStateFieldPathExpression
boolean	rightStateFieldPathExpressionValid
boolean	validatingLeftExpression

Constructor Summary

protected

AbstractSemanticValidator.ComparisonExpressionVisitor()

Method Summary

protected void	dispose() Resets the flags.
protected void	visit(Expression expression) Blindly visit the given Expression.
void	visit(IdentificationVariable expression) Visits the IdentificationVariable expression.
void	visit(StateFieldPathExpression expression) Visits the StateFieldPathExpression 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, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

leftIdentificationVariable

public boolean leftIdentificationVariable

leftIdentificationVariableValid

public boolean leftIdentificationVariableValid

leftStateFieldPathExpression

public boolean leftStateFieldPathExpression

leftStateFieldPathExpressionValid

public boolean leftStateFieldPathExpressionValid

rightIdentificationVariable

public boolean rightIdentificationVariable

rightIdentificationVariableValid

public boolean rightIdentificationVariableValid

rightStateFieldPathExpression

public boolean rightStateFieldPathExpression

rightStateFieldPathExpressionValid

public boolean rightStateFieldPathExpressionValid

validatingLeftExpression

public boolean validatingLeftExpression

Constructor Detail

AbstractSemanticValidator.ComparisonExpressionVisitor

protected AbstractSemanticValidator.ComparisonExpressionVisitor()

Method Detail

dispose

protected void dispose()

Resets the flags.

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(IdentificationVariable expression)

Visits the IdentificationVariable expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(StateFieldPathExpression expression)

Visits the StateFieldPathExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit