Package org.teiid.query.sql.symbol

Class MultipleElementSymbol

java.lang.Object

org.teiid.query.sql.symbol.MultipleElementSymbol

All Implemented Interfaces:

Cloneable, LanguageObject, Expression

public class MultipleElementSymbol
extends Object
implements Expression

This is a subclass of Symbol representing multiple output columns.

Nested Class Summary

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

LanguageObject.Util

Constructor Summary

Constructors

Constructor	Description
MultipleElementSymbol()
MultipleElementSymbol(String name)	Construct a multiple element symbol

Method Summary

Modifier and Type	Method	Description
void	acceptVisitor(LanguageVisitor visitor)	Method for accepting a visitor.
void	addElementSymbol(ElementSymbol symbol)	Add an element symbol referenced by this multiple element symbol
Object	clone()	Return a deep copy of this object
boolean	equals(Object obj)
List<ElementSymbol>	getElementSymbols()	Get the element symbols referred to by this multiple element symbol
GroupSymbol	getGroup()
Class<?>	getType()	Get the return type of this expression.
int	hashCode()
void	setElementSymbols(List<ElementSymbol> elementSymbols)	Set the ElementSymbols that this symbol refers to
void	setGroup(GroupSymbol group)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultipleElementSymbol

public MultipleElementSymbol()

MultipleElementSymbol

public MultipleElementSymbol(String name)

Construct a multiple element symbol

Parameters:

name - Name of the symbol

Method Detail

getType

public Class<?> getType()

Description copied from interface: Expression

Get the return type of this expression.

Specified by:

getType in interface Expression

Returns:

Java class may be null prior to being resolved

setElementSymbols

public void setElementSymbols(List<ElementSymbol> elementSymbols)

Set the ElementSymbols that this symbol refers to

Parameters:

elementSymbols - List of ElementSymbol

getElementSymbols

public List<ElementSymbol> getElementSymbols()

Get the element symbols referred to by this multiple element symbol

Returns:

List of ElementSymbols, may be null

addElementSymbol

public void addElementSymbol(ElementSymbol symbol)

Add an element symbol referenced by this multiple element symbol

Parameters:

symbol - Element symbol referenced by this multiple element symbol

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 Object clone()

Return a deep copy of this object

Specified by:

clone in interface LanguageObject

Overrides:

clone in class Object

Returns:

Deep copy of this object

getGroup

public GroupSymbol getGroup()

Returns:

null if selecting all groups, otherwise the specific group

setGroup

public void setGroup(GroupSymbol group)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object