org.eclipse.persistence.jpa.jpql
Class AbstractContentAssistVisitor.InvalidExpressionVisitor

java.lang.Object
  org.eclipse.persistence.jpa.jpql.parser.AbstractExpressionVisitor
      org.eclipse.persistence.jpa.jpql.AbstractContentAssistVisitor.InvalidExpressionVisitor

All Implemented Interfaces:

ExpressionVisitor

Enclosing class:

AbstractContentAssistVisitor

protected static class AbstractContentAssistVisitor.InvalidExpressionVisitor
extends AbstractExpressionVisitor

This visitor determines if the visited Expression is one of the two that represents an invalid expression.

Field Summary

protected Expression

expression The invalid Expression, which is either UnknownExpression or BadExpression.

Constructor Summary

protected

AbstractContentAssistVisitor.InvalidExpressionVisitor()

Method Summary

void	dispose() Disposes of the internal data.
boolean	isInvalid() Determines whether the visited Expression represents an invalid fragment.
void	visit(BadExpression expression) Visits the BadExpression expression.
void	visit(UnknownExpression expression) Visits the UnknownExpression expression.

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

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

expression

protected Expression expression

The invalid Expression, which is either UnknownExpression or BadExpression.

Constructor Detail

AbstractContentAssistVisitor.InvalidExpressionVisitor

protected AbstractContentAssistVisitor.InvalidExpressionVisitor()

Method Detail

dispose

public void dispose()

Disposes of the internal data.

isInvalid

public boolean isInvalid()

Determines whether the visited Expression represents an invalid fragment.

Returns:

true if the Expression is an invalid fragment; false otherwise

visit

public void visit(BadExpression expression)

Visits the BadExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AbstractExpressionVisitor

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 AbstractExpressionVisitor

Parameters:

expression - The UnknownExpression to visit