org.eclipse.persistence.jpa.jpql.tools

Class AbstractContentAssistVisitor.SubqueryVisitor

java.lang.Object

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

org.eclipse.persistence.jpa.jpql.parser.AbstractTraverseParentVisitor

org.eclipse.persistence.jpa.jpql.tools.AbstractContentAssistVisitor.SubqueryVisitor

All Implemented Interfaces:

ExpressionVisitor

Enclosing class:

AbstractContentAssistVisitor

protected static final class AbstractContentAssistVisitor.SubqueryVisitor
extends AbstractTraverseParentVisitor

This visitor determines if an Expression is in a subquery.

Field Summary

Fields

Modifier and Type	Field and Description
protected SimpleSelectStatement	expression The subquery Expression if it's the first clause visitor.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SubqueryVisitor()

Method Summary

Modifier and Type	Method and Description
void	dispose() Disposes of the internal data.
boolean	isInSubquery() Determines whether the visited Expression is in a subquery or in the top-level query.
void	visit(SimpleSelectStatement expression) Visits the SimpleSelectStatement expression.

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

visit, visit

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

expression

protected SimpleSelectStatement expression

The subquery Expression if it's the first clause visitor. Otherwise it will be null if the Expression is in the top-level query.

Constructor Detail

SubqueryVisitor

protected SubqueryVisitor()

Method Detail

dispose

public void dispose()

Disposes of the internal data.

isInSubquery

public boolean isInSubquery()

Determines whether the visited Expression is in a subquery or in the top-level query.

Returns:

true if the owning query is a subquery; false if it's the top-level query

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