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org.eclipse.persistence.jpa.internal.jpql.parser
Class FullyQualifyPathExpressionVisitor

java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.parser.AnonymousExpressionVisitor
org.eclipse.persistence.jpa.internal.jpql.parser.AbstractTraverseChildrenVisitor
org.eclipse.persistence.jpa.internal.jpql.parser.FullyQualifyPathExpressionVisitor

All Implemented Interfaces:

ExpressionVisitor

final class FullyQualifyPathExpressionVisitor

extends AbstractTraverseChildrenVisitor

This visitor makes sure that all path expressions are fully qualified with the identification variable in the range variable declaration. This only applies to an UPDATE or DELETE query.

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Nested Class Summary

private class

FullyQualifyPathExpressionVisitor.GeneralIdentificationVariableVisitor

Field Summary

private static FullyQualifyPathExpressionVisitor	INSTANCE The singleton instance of this visitor.
private java.lang.String	variableName The identification variable defined in the range variable declaration or the abstract schema name in lower case.
private FullyQualifyPathExpressionVisitor.GeneralIdentificationVariableVisitor	visitor Caches this visitor, which is used to determine if the general identification variable is not a map key, map value or map entry expression.

Constructor Summary

FullyQualifyPathExpressionVisitor()

Method Summary

private FullyQualifyPathExpressionVisitor.GeneralIdentificationVariableVisitor	generalIdentificationVariableVisitor()
(package private) static ExpressionVisitor	instance() Returns the singleton instance of this visitor.
private void	qualifyPathExpression(AbstractPathExpression expression)
void	visit(CollectionValuedPathExpression expression) Visits the CollectionValuedPathExpression expression.
void	visit(IdentificationVariable expression) Visits the IdentificationVariable expression.
void	visit(RangeVariableDeclaration expression) Visits the RangeVariableDeclaration expression.
void	visit(SelectStatement expression) Visits the SelectStatement expression.
void	visit(SimpleSelectStatement expression) Visits the SimpleSelectStatement expression.
void	visit(StateFieldPathExpression expression) Visits the StateFieldPathExpression expression.
private void	visitAbstractPathExpression(AbstractPathExpression expression)

Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AbstractTraverseChildrenVisitor

visit

Methods inherited from class org.eclipse.persistence.jpa.internal.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

Methods inherited from class java.lang.Object

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

Field Detail

variableName

private java.lang.String variableName

The identification variable defined in the range variable declaration or the abstract schema name in lower case.

visitor

private FullyQualifyPathExpressionVisitor.GeneralIdentificationVariableVisitor visitor

Caches this visitor, which is used to determine if the general identification variable is not a map key, map value or map entry expression.

INSTANCE

private static final FullyQualifyPathExpressionVisitor INSTANCE

The singleton instance of this visitor.

Constructor Detail

FullyQualifyPathExpressionVisitor

FullyQualifyPathExpressionVisitor()

Method Detail

instance

static ExpressionVisitor instance()

Returns the singleton instance of this visitor.

Returns:

The singleton instance of this visitor

generalIdentificationVariableVisitor

private FullyQualifyPathExpressionVisitor.GeneralIdentificationVariableVisitor generalIdentificationVariableVisitor()

qualifyPathExpression

private void qualifyPathExpression(AbstractPathExpression expression)

visit

public void visit(CollectionValuedPathExpression expression)

Visits the CollectionValuedPathExpression expression.

Specified by:

visit in interface ExpressionVisitor

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(RangeVariableDeclaration expression)

Visits the RangeVariableDeclaration expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(SelectStatement expression)

Visits the SelectStatement expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(SimpleSelectStatement expression)

Visits the SimpleSelectStatement 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

visitAbstractPathExpression

private void visitAbstractPathExpression(AbstractPathExpression expression)

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