protected class DefaultSemanticValidator.NullValueVisitor extends AbstractExpressionVisitor
Modifier and Type | Field and Description |
---|---|
protected boolean |
valid
Determines whether the
Expression visited represents Expression.NULL . |
Modifier | Constructor and Description |
---|---|
protected |
NullValueVisitor() |
Modifier and Type | Method and Description |
---|---|
void |
visit(KeywordExpression expression)
Visits the
KeywordExpression expression. |
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protected boolean valid
Expression
visited represents Expression.NULL
.public void visit(KeywordExpression expression)
KeywordExpression
expression.visit
in interface ExpressionVisitor
visit
in class AbstractExpressionVisitor
expression
- The Expression
to visit