org.teiid.language

Class SubqueryComparison

java.lang.Object

org.teiid.language.BaseLanguageObject

org.teiid.language.Condition

org.teiid.language.SubqueryComparison

All Implemented Interfaces:

Expression, LanguageObject, Predicate, SubqueryContainer

public class SubqueryComparison
extends Condition
implements Predicate, SubqueryContainer

Represents a quantified comparison criteria. This criteria has an expression on the left, a comparison operator (such as =, <, etc), a quantification operator (ALL, ANY), and a subquery.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SubqueryComparison.Quantifier

Constructor Summary

Constructors

Constructor and Description
SubqueryComparison(Expression leftExpr, Comparison.Operator operator, SubqueryComparison.Quantifier quantifier, QueryExpression query)

Method Summary

Modifier and Type	Method and Description
void	acceptVisitor(LanguageObjectVisitor visitor)
Expression	getLeftExpression()
Comparison.Operator	getOperator()
SubqueryComparison.Quantifier	getQuantifier()
QueryExpression	getSubquery() Get the inner subquery
void	setLeftExpression(Expression expression)
void	setOperator(Comparison.Operator operator)
void	setQuantifier(SubqueryComparison.Quantifier quantifier)
void	setSubquery(QueryExpression query) Set the inner subquery

Methods inherited from class org.teiid.language.Condition

getType, isExpression, setExpression

Methods inherited from class org.teiid.language.BaseLanguageObject

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SubqueryComparison

public SubqueryComparison(Expression leftExpr,
                          Comparison.Operator operator,
                          SubqueryComparison.Quantifier quantifier,
                          QueryExpression query)

Method Detail

getLeftExpression

public Expression getLeftExpression()

getOperator

public Comparison.Operator getOperator()

getQuantifier

public SubqueryComparison.Quantifier getQuantifier()

getSubquery

public QueryExpression getSubquery()

Description copied from interface: SubqueryContainer

Get the inner subquery

Specified by:

getSubquery in interface SubqueryContainer

Returns:

Subquery

acceptVisitor

public void acceptVisitor(LanguageObjectVisitor visitor)

Specified by:

acceptVisitor in interface LanguageObject

setLeftExpression

public void setLeftExpression(Expression expression)

setOperator

public void setOperator(Comparison.Operator operator)

setQuantifier

public void setQuantifier(SubqueryComparison.Quantifier quantifier)

setSubquery

public void setSubquery(QueryExpression query)

Description copied from interface: SubqueryContainer

Set the inner subquery

Specified by:

setSubquery in interface SubqueryContainer

Parameters:

query - Subquery