org.apache.openjpa.persistence.criteria
Interface CriteriaExpressionVisitor

All Known Implementing Classes:

CriteriaExpressionVisitor.AbstractVisitor, CriteriaExpressionVisitor.ParameterVisitor

public interface CriteriaExpressionVisitor

A visitor for Criteria Expression nodes.

Since:

2.0.0

Author:

Pinaki Poddar

Nested Class Summary

static class	CriteriaExpressionVisitor.AbstractVisitor An abstract implementation that can detect cycles during traversal.
static class	CriteriaExpressionVisitor.ParameterVisitor A visitor to register Parameter expression of a query.
static class	CriteriaExpressionVisitor.TraversalStyle

Method Summary

void	enter(org.apache.openjpa.persistence.criteria.CriteriaExpression node) Enter the given node.
void	exit(org.apache.openjpa.persistence.criteria.CriteriaExpression node) Exit the given node.
CriteriaExpressionVisitor.TraversalStyle	getTraversalStyle(org.apache.openjpa.persistence.criteria.CriteriaExpression node) Get the traversal style of the children of the given node.
boolean	isVisited(org.apache.openjpa.persistence.criteria.CriteriaExpression node) Affirms if this node has been visited.

Method Detail

enter

void enter(org.apache.openjpa.persistence.criteria.CriteriaExpression node)

Enter the given node.

exit

void exit(org.apache.openjpa.persistence.criteria.CriteriaExpression node)

Exit the given node.

isVisited

boolean isVisited(org.apache.openjpa.persistence.criteria.CriteriaExpression node)

Affirms if this node has been visited.

getTraversalStyle

CriteriaExpressionVisitor.TraversalStyle getTraversalStyle(org.apache.openjpa.persistence.criteria.CriteriaExpression node)

Get the traversal style of the children of the given node.