Package com.blazebit.persistence.parser

Class PathTargetResolvingExpressionVisitor

java.lang.Object

com.blazebit.persistence.parser.PathTargetResolvingExpressionVisitor

All Implemented Interfaces:

Expression.Visitor

public class PathTargetResolvingExpressionVisitor
extends Object
implements Expression.Visitor

A visitor that can determine possible target types and JPA attributes of a path expression.

Since:

1.0.0

Author:

Christian Beikov

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	PathTargetResolvingExpressionVisitor.PathPosition

Field Summary

Fields

Modifier and Type	Field	Description
protected PathTargetResolvingExpressionVisitor.PathPosition	currentPosition
protected final EntityMetamodel	metamodel
protected List<PathTargetResolvingExpressionVisitor.PathPosition>	pathPositions
protected final javax.persistence.metamodel.Attribute<?,?>	rootAttribute
protected final javax.persistence.metamodel.Type<?>	rootType
protected final Map<String,javax.persistence.metamodel.Type<?>>	rootTypes

Constructor Summary

Constructors

Constructor	Description
PathTargetResolvingExpressionVisitor(EntityMetamodel metamodel, javax.persistence.metamodel.Type<?> rootType, String skipBaseNodeAlias)
PathTargetResolvingExpressionVisitor(EntityMetamodel metamodel, javax.persistence.metamodel.Type<?> rootType, javax.persistence.metamodel.Attribute<?,?> rootAttribute, String skipBaseNodeAlias, Map<String,javax.persistence.metamodel.Type<?>> rootTypes)

Method Summary

Modifier and Type	Method	Description
void	clear()
Map<javax.persistence.metamodel.Attribute<?,?>,javax.persistence.metamodel.Type<?>>	getPossibleTargets()
protected final void	invalid(Object o)
protected final void	invalid(Object o, String reason)
void	visit(ArithmeticExpression expression)
void	visit(ArithmeticFactor expression)
void	visit(ArrayExpression expression)
void	visit(DateLiteral expression)
void	visit(EntityLiteral expression)
void	visit(EnumLiteral expression)
void	visit(FunctionExpression expression)
void	visit(GeneralCaseExpression expression)
void	visit(ListIndexExpression expression)
void	visit(MapEntryExpression expression)
void	visit(MapKeyExpression expression)
void	visit(MapValueExpression expression)
void	visit(NullExpression expression)
void	visit(NumericLiteral expression)
void	visit(ParameterExpression expression)
void	visit(PathExpression expression)
void	visit(PropertyExpression expression)
void	visit(SimpleCaseExpression expression)
void	visit(StringLiteral expression)
void	visit(SubqueryExpression expression)
void	visit(TimeLiteral expression)
void	visit(TimestampLiteral expression)
void	visit(TreatExpression expression)
void	visit(TrimExpression expression)
void	visit(TypeFunctionExpression expression)
void	visit(WhenClauseExpression expression)
void	visit(BetweenPredicate predicate)
void	visit(BooleanLiteral expression)
void	visit(CompoundPredicate predicate)
void	visit(EqPredicate predicate)
void	visit(ExistsPredicate predicate)
void	visit(GePredicate predicate)
void	visit(GtPredicate predicate)
void	visit(InPredicate predicate)
void	visit(IsEmptyPredicate predicate)
void	visit(IsNullPredicate predicate)
void	visit(LePredicate predicate)
void	visit(LikePredicate predicate)
void	visit(LtPredicate predicate)
void	visit(MemberOfPredicate predicate)

Methods inherited from class java.lang.Object

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

Field Details

currentPosition

protected PathTargetResolvingExpressionVisitor.PathPosition currentPosition

pathPositions

protected List<PathTargetResolvingExpressionVisitor.PathPosition> pathPositions

metamodel

protected final EntityMetamodel metamodel

rootType

protected final javax.persistence.metamodel.Type<?> rootType

rootAttribute

protected final javax.persistence.metamodel.Attribute<?,?> rootAttribute

rootTypes

protected final Map<String,javax.persistence.metamodel.Type<?>> rootTypes

Constructor Details

PathTargetResolvingExpressionVisitor

public PathTargetResolvingExpressionVisitor(EntityMetamodel metamodel,
 javax.persistence.metamodel.Type<?> rootType,
 String skipBaseNodeAlias)

PathTargetResolvingExpressionVisitor

public PathTargetResolvingExpressionVisitor(EntityMetamodel metamodel,
 javax.persistence.metamodel.Type<?> rootType,
 javax.persistence.metamodel.Attribute<?,?> rootAttribute,
 String skipBaseNodeAlias,
 Map<String,javax.persistence.metamodel.Type<?>> rootTypes)

Method Details

clear

public void clear()

getPossibleTargets

public Map<javax.persistence.metamodel.Attribute<?,?>,javax.persistence.metamodel.Type<?>> getPossibleTargets()

visit

public void visit(PropertyExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GeneralCaseExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(PathExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ListIndexExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapEntryExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapKeyExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapValueExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ArrayExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TreatExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ParameterExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(NullExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(SubqueryExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ArithmeticExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ArithmeticFactor expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(NumericLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(BooleanLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(StringLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(DateLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TimeLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TimestampLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EnumLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EntityLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(FunctionExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TypeFunctionExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TrimExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(SimpleCaseExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(WhenClauseExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(CompoundPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EqPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(IsNullPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(IsEmptyPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MemberOfPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LikePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(BetweenPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(InPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GtPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LtPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ExistsPredicate predicate)

Specified by:

visit in interface Expression.Visitor

invalid

protected final void invalid(Object o)

invalid

protected final void invalid(Object o,
 String reason)