com.metamatrix.query.sql.symbol
Class AllSymbol

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

All Implemented Interfaces:

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

public class AllSymbol
extends MultipleElementSymbol

This is a subclass of Symbol representing *, which contains all of the elements from all groups in the query. The name of this symbol is always "*", when resolved it contains a set of Element Symbols referred to by the AllSymbol

See Also:

Serialized Form

Constructor Summary

	AllSymbol() Default constructor
protected	AllSymbol(java.lang.String name, java.lang.String canonicalName) Constructor used for cloning

Method Summary

void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
java.lang.Object	clone() Return a deep copy of this object

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

addElementSymbol, getElementSymbols, isResolved, setElementSymbols

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

AllSymbol

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

Constructor used for cloning

Parameters:

name -

canonicalName -

Since:

4.3

AllSymbol

public AllSymbol()

Default constructor

Method Detail

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.

Parameters:

visitor - Visitor being used

clone

public java.lang.Object clone()

Return a deep copy of this object

Specified by:

clone in interface LanguageObject

Specified by:

clone in class Symbol

Returns:

Deep copy of this object