org.eclipse.persistence.jpa.jpql.tools
Class AbstractContentAssistVisitor.CompoundExpressionHelper

java.lang.Object
  org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor
      org.eclipse.persistence.jpa.jpql.tools.AbstractContentAssistVisitor.CompoundExpressionHelper

All Implemented Interfaces:

ExpressionVisitor

Enclosing class:

AbstractContentAssistVisitor

protected class AbstractContentAssistVisitor.CompoundExpressionHelper
extends AnonymousExpressionVisitor

This helper is responsible to traverse the parsed tree and to determine if JPQL identifiers with a compound role can be appended after an Expression, which is based on the location of the cursor.

Field Summary

protected boolean	betweenCollectionChildren
protected Expression	leftExpression
protected LogicalExpression	logicalExpression
protected Expression	rightExpression

Constructor Summary

protected

AbstractContentAssistVisitor.CompoundExpressionHelper()

Method Summary

void	dispose()
boolean	hasIdentifier()
boolean	hasNext()
int	identifierLength()
boolean	isBetweenCollectionChildren()
boolean	isCompoundable()
int	length()
void	next()
void	visit(AndExpression expression) Visits the AndExpression expression.
void	visit(CollectionExpression expression) Visits the CollectionExpression expression.
void	visit(ComparisonExpression expression) Visits the ComparisonExpression expression.
void	visit(Expression expression) Blindly visit the given Expression.
void	visit(OrExpression expression) Visits the OrExpression expression.
protected void	visitLogicalExpression(LogicalExpression expression)

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

Methods inherited from class java.lang.Object

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

Field Detail

betweenCollectionChildren

protected boolean betweenCollectionChildren

leftExpression

protected Expression leftExpression

logicalExpression

protected LogicalExpression logicalExpression

rightExpression

protected Expression rightExpression

Constructor Detail

AbstractContentAssistVisitor.CompoundExpressionHelper

protected AbstractContentAssistVisitor.CompoundExpressionHelper()

Method Detail

dispose

public void dispose()

hasIdentifier

public boolean hasIdentifier()

hasNext

public boolean hasNext()

identifierLength

public int identifierLength()

isBetweenCollectionChildren

public boolean isBetweenCollectionChildren()

isCompoundable

public boolean isCompoundable()

length

public int length()

next

public void next()

visit

public void visit(AndExpression expression)

Visits the AndExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(CollectionExpression expression)

Visits the CollectionExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(ComparisonExpression expression)

Visits the ComparisonExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(Expression expression)

Blindly visit the given Expression.

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visit

public void visit(OrExpression expression)

Visits the OrExpression expression.

Specified by:

visit in interface ExpressionVisitor

Overrides:

visit in class AnonymousExpressionVisitor

Parameters:

expression - The Expression to visit

visitLogicalExpression

protected void visitLogicalExpression(LogicalExpression expression)