org.teiid.query.sql.lang
Class OrderByItem

java.lang.Object
  org.teiid.query.sql.lang.OrderByItem

All Implemented Interfaces:

java.lang.Cloneable, LanguageObject

public class OrderByItem
extends java.lang.Object
implements LanguageObject

Nested Class Summary

Nested classes/interfaces inherited from interface org.teiid.query.sql.LanguageObject

LanguageObject.Util

Constructor Summary

OrderByItem(SingleElementSymbol symbol, boolean ascending)

Method Summary

void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
OrderByItem	clone() Implement clone to make objects cloneable.
boolean	equals(java.lang.Object obj)
int	getExpressionPosition()
SortSpecification.NullOrdering	getNullOrdering()
SingleElementSymbol	getSymbol()
int	hashCode()
boolean	isAscending()
boolean	isUnrelated()
void	setAscending(boolean ascending)
void	setExpressionPosition(int expressionPosition)
void	setNullOrdering(SortSpecification.NullOrdering nullOrdering)
void	setSymbol(SingleElementSymbol symbol)
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

OrderByItem

public OrderByItem(SingleElementSymbol symbol,
                   boolean ascending)

Method Detail

getExpressionPosition

public int getExpressionPosition()

setExpressionPosition

public void setExpressionPosition(int expressionPosition)

isAscending

public boolean isAscending()

setAscending

public void setAscending(boolean ascending)

getSymbol

public SingleElementSymbol getSymbol()

setSymbol

public void setSymbol(SingleElementSymbol symbol)

getNullOrdering

public SortSpecification.NullOrdering getNullOrdering()

setNullOrdering

public void setNullOrdering(SortSpecification.NullOrdering nullOrdering)

isUnrelated

public boolean isUnrelated()

Returns:

true if the expression does not appear in the select clause

acceptVisitor

public void acceptVisitor(LanguageVisitor visitor)

Description copied from interface: LanguageObject

Method for accepting a visitor. It is the responsibility of the language object to call back on the visitor.

Specified by:

acceptVisitor in interface LanguageObject

Parameters:

visitor - Visitor being used

clone

public OrderByItem clone()

Description copied from interface: LanguageObject

Implement clone to make objects cloneable.

Specified by:

clone in interface LanguageObject

Overrides:

clone in class java.lang.Object

Returns:

Deep clone of this object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object