org.teiid.connector.language
Interface IIsNullCriteria

All Superinterfaces:

ICriteria, ILanguageObject, IPredicateCriteria

public interface IIsNullCriteria
extends IPredicateCriteria

Represents an IS NULL criteria.

Method Summary

IExpression	getExpression() Get the expression being checked for null.
boolean	isNegated() Returns whether this criteria is negated.
void	setExpression(IExpression expression) Set expression of criteria
void	setNegated(boolean negated) Sets whether this criteria is negated.

Methods inherited from interface org.teiid.connector.language.ILanguageObject

acceptVisitor

Method Detail

getExpression

IExpression getExpression()

Get the expression being checked for null.

Returns:

Expression being checked

setExpression

void setExpression(IExpression expression)

Set expression of criteria

isNegated

boolean isNegated()

Returns whether this criteria is negated.

Returns:

flag indicating whether this criteria contains a NOT

setNegated

void setNegated(boolean negated)

Sets whether this criteria is negated.

Parameters:

negated - Flag indicating whether this criteria contains a NOT