public abstract class LiteralVisitor extends AnonymousExpressionVisitor
Expression
and retrieves the "literal" value. The literal to retrieve depends on the type.
The literal is basically a string value like an identification variable name, an input parameter,
a path expression, an abstract schema name, etc.
Provisional API: This interface is part of an interim API that is still under development and expected to change significantly before reaching stability. It is available at this early stage to solicit feedback from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken (repeatedly) as the API evolves.
| Modifier and Type | Field and Description |
|---|---|
java.lang.String |
literal
The literal value retrieved from the visited
Expression. |
protected LiteralType |
type
The
LiteralType helps to determine when traversing an
Expression what to retrieve. |
| Modifier | Constructor and Description |
|---|---|
protected |
LiteralVisitor()
Creates a new
AbstractLiteralVisitor. |
| Modifier and Type | Method and Description |
|---|---|
LiteralType |
getType()
Returns the way this visitor retrieves the literal value.
|
void |
setType(LiteralType type)
Changes the way this visitor should retrieve the literal value.
|
void |
visit(AbstractSchemaName expression)
Visits the
AbstractSchemaName expression. |
void |
visit(CollectionMemberDeclaration expression)
Visits the
CollectionMemberDeclaration expression. |
void |
visit(CollectionValuedPathExpression expression)
Visits the
CollectionValuedPathExpression expression. |
void |
visit(EntityTypeLiteral expression)
Visits the
EntityTypeLiteral expression. |
void |
visit(FunctionExpression expression)
Visits the
FunctionExpression expression. |
void |
visit(IdentificationVariable expression)
Visits the
IdentificationVariable expression. |
void |
visit(InputParameter expression)
Visits the
InputParameter expression. |
void |
visit(Join expression)
Visits the
Join expression. |
void |
visit(RangeVariableDeclaration expression)
Visits the
RangeVariableDeclaration expression. |
void |
visit(ResultVariable expression)
Visits the
ResultVariable expression. |
void |
visit(StateFieldPathExpression expression)
Visits the
StateFieldPathExpression expression. |
void |
visit(StringLiteral expression)
Visits the
StringLiteral expression. |
void |
visit(TreatExpression expression)
Visits the
TreatExpression expression. |
protected void |
visitAbstractPathExpression(AbstractPathExpression expression) |
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Expression.protected LiteralType type
LiteralType helps to determine when traversing an
Expression what to retrieve.public LiteralType getType()
LiteralTypespublic void setType(LiteralType type)
type - One of the possible LiteralTypespublic void visit(AbstractSchemaName expression)
AbstractSchemaName expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(CollectionMemberDeclaration expression)
CollectionMemberDeclaration expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(CollectionValuedPathExpression expression)
CollectionValuedPathExpression expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(EntityTypeLiteral expression)
EntityTypeLiteral expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(FunctionExpression expression)
FunctionExpression expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(IdentificationVariable expression)
IdentificationVariable expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(InputParameter expression)
InputParameter expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(Join expression)
Join expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(RangeVariableDeclaration expression)
RangeVariableDeclaration expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(ResultVariable expression)
ResultVariable expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(StateFieldPathExpression expression)
StateFieldPathExpression expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(StringLiteral expression)
StringLiteral expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(TreatExpression expression)
TreatExpression expression.visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitprotected void visitAbstractPathExpression(AbstractPathExpression expression)