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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) E28847-01 |
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java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.parser.AnonymousExpressionVisitor
org.eclipse.persistence.jpa.internal.jpql.parser.AbstractTraverseParentVisitor
org.eclipse.persistence.jpa.internal.jpql.ParameterTypeVisitor
final class ParameterTypeVisitor
This visitor's responsibility is to find the type of an input parameter.
Field Summary | |
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private Expression |
currentExpression This is used to prevent an infinite loop between input parameters. |
private Expression |
expression The Expression that will help to determine the type of the input parameter. |
private boolean |
ignoreType Used to ignore the type when calculating it. |
private InputParameter |
inputParameter The InputParameter for which its type will be searched by visiting the query. |
private JPQLQueryContext |
queryContext The context used to query information about the query. |
private java.lang.Class<?> |
type The well defined type, which does not have to be calculated. |
Constructor Summary | |
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ParameterTypeVisitor(JPQLQueryContext queryContext) Creates a new ParameterTypeVisitor . |
Method Summary | |
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(package private) void |
dispose() Disposes this visitor. |
(package private) IType |
getType() Returns the type, if it can be determined, of the input parameter. |
void |
visit(AbsExpression expression) Visits the AbsExpression expression. |
void |
visit(AdditionExpression expression) Visits the AdditionExpression expression. |
void |
visit(AndExpression expression) Visits the AndExpression expression. |
void |
visit(AvgFunction expression) Visits the AvgFunction expression. |
void |
visit(BetweenExpression expression) Visits the BetweenExpression expression. |
void |
visit(CollectionValuedPathExpression expression) Visits the CollectionValuedPathExpression expression. |
void |
visit(ComparisonExpression expression) Visits the ComparisonExpression expression. |
void |
visit(ConcatExpression expression) Visits the ConcatExpression expression. |
void |
visit(CountFunction expression) Visits the CountFunction expression. |
void |
visit(DivisionExpression expression) Visits the DivisionExpression expression. |
void |
visit(EmptyCollectionComparisonExpression expression) Visits the EmptyCollectionComparisonExpression expression. |
void |
visit(ExistsExpression expression) Visits the ExistsExpression expression. |
void |
visit(IdentificationVariable expression) Visits the IdentificationVariable expression. |
void |
visit(InExpression expression) Visits the InExpression expression. |
void |
visit(InputParameter expression) Visits the InputParameter expression. |
void |
visit(LengthExpression expression) Visits the LengthExpression expression. |
void |
visit(LikeExpression expression) Visits the LikeExpression expression. |
void |
visit(LowerExpression expression) Visits the LowerExpression expression. |
void |
visit(MaxFunction expression) Visits the MaxFunction expression. |
void |
visit(MinFunction expression) Visits the MinFunction expression. |
void |
visit(ModExpression expression) Visits the ModExpression expression. |
void |
visit(MultiplicationExpression expression) Visits the MultiplicationExpression expression. |
void |
visit(NullComparisonExpression expression) Visits the NullComparisonExpression expression. |
void |
visit(NumericLiteral expression) Visits the NumericLiteral expression. |
void |
visit(OrExpression expression) Visits the OrExpression expression. |
void |
visit(SizeExpression expression) Visits the SizeExpression expression. |
void |
visit(SqrtExpression expression) Visits the SqrtExpression expression. |
void |
visit(StateFieldPathExpression expression) Visits the StateFieldPathExpression expression. |
void |
visit(SubstringExpression expression) Visits the SubstringExpression expression. |
void |
visit(SubtractionExpression expression) Visits the SubtractionExpression expression. |
void |
visit(SumFunction expression) Visits the SumFunction expression. |
void |
visit(TrimExpression expression) Visits the TrimExpression expression. |
void |
visit(UpdateItem expression) Visits the UpdateItem expression. |
private void |
visitCompoundExpression(CompoundExpression expression) |
Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AbstractTraverseParentVisitor |
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visit, visit |
Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AnonymousExpressionVisitor |
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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 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private Expression currentExpression
private Expression expression
Expression
that will help to determine the type of the input parameter.private boolean ignoreType
private InputParameter inputParameter
InputParameter
for which its type will be searched by visiting the query.private final JPQLQueryContext queryContext
private java.lang.Class<?> type
Constructor Detail |
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ParameterTypeVisitor(JPQLQueryContext queryContext)
ParameterTypeVisitor
.
query
- The external form representing the JPQL queryMethod Detail |
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void dispose()
IType getType()
typeVisitor
- The visitor used to calculate the type of the Expression
that was found to have the closest type of the input parameterObject
if it can't be determinedpublic void visit(AbsExpression expression)
AbsExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(AdditionExpression expression)
AdditionExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(AndExpression expression)
AndExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(AvgFunction expression)
AvgFunction
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(BetweenExpression expression)
BetweenExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(CollectionValuedPathExpression expression)
CollectionValuedPathExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(ComparisonExpression expression)
ComparisonExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(ConcatExpression expression)
ConcatExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(CountFunction expression)
CountFunction
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(DivisionExpression expression)
DivisionExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(EmptyCollectionComparisonExpression expression)
EmptyCollectionComparisonExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(ExistsExpression expression)
ExistsExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(IdentificationVariable expression)
IdentificationVariable
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(InExpression expression)
InExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(InputParameter expression)
InputParameter
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(LengthExpression expression)
LengthExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(LikeExpression expression)
LikeExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(LowerExpression expression)
LowerExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(MaxFunction expression)
MaxFunction
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(MinFunction expression)
MinFunction
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(ModExpression expression)
ModExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(MultiplicationExpression expression)
MultiplicationExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(NullComparisonExpression expression)
NullComparisonExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(NumericLiteral expression)
NumericLiteral
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(OrExpression expression)
OrExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(SizeExpression expression)
SizeExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(SqrtExpression expression)
SqrtExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(StateFieldPathExpression expression)
StateFieldPathExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(SubstringExpression expression)
SubstringExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(SubtractionExpression expression)
SubtractionExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(SumFunction expression)
SumFunction
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(TrimExpression expression)
TrimExpression
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitpublic void visit(UpdateItem expression)
UpdateItem
expression.visit
in interface ExpressionVisitor
visit
in class AnonymousExpressionVisitor
expression
- The Expression
to visitprivate void visitCompoundExpression(CompoundExpression expression)
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