Package 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

Nested Classes

Modifier and Type	Interface	Description
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

Modifier and Type	Method	Description
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.