com.metamatrix.query.sql.symbol
Class MultipleElementSymbol

java.lang.Object
  com.metamatrix.query.sql.symbol.Symbol
      com.metamatrix.query.sql.symbol.SelectSymbol
          com.metamatrix.query.sql.symbol.MultipleElementSymbol

All Implemented Interfaces:

LanguageObject, java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

AllInGroupSymbol, AllSymbol

public abstract class MultipleElementSymbol
extends SelectSymbol

This is a subclass of Symbol representing multiple output columns.

See Also:

Serialized Form

Constructor Summary

	MultipleElementSymbol(java.lang.String name) Construct a multiple element symbol
protected	MultipleElementSymbol(java.lang.String name, java.lang.String canonicalName) Passthrough constructor used for cloning

Method Summary

void	addElementSymbol(ElementSymbol symbol) Add an element symbol referenced by this multiple element symbol
java.util.List	getElementSymbols() Get the element symbols referred to by this multiple element symbol
boolean	isResolved() True if multiple element symbol has been resolved by having all referring element symbols set.
void	setElementSymbols(java.util.List elementSymbols) Set the ElementSymbols that this symbol refers to

Methods inherited from class com.metamatrix.query.sql.symbol.Symbol

clone, equals, getCanonical, getCanonicalName, getName, getOutputName, hashCode, setName, setOutputName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.metamatrix.query.sql.LanguageObject

acceptVisitor

Constructor Detail

MultipleElementSymbol

protected MultipleElementSymbol(java.lang.String name,
                                java.lang.String canonicalName)

Passthrough constructor used for cloning

Parameters:

name -

canonicalName -

Since:

4.3

MultipleElementSymbol

public MultipleElementSymbol(java.lang.String name)

Construct a multiple element symbol

Parameters:

name - Name of the symbol

Method Detail

setElementSymbols

public void setElementSymbols(java.util.List elementSymbols)

Set the ElementSymbols that this symbol refers to

Parameters:

elementSymbols - List of ElementSymbol

getElementSymbols

public java.util.List 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

isResolved

public boolean isResolved()

True if multiple element symbol has been resolved by having all referring element symbols set.

Specified by:

isResolved in class Symbol

Returns:

True if symbol has been resolved