com.metamatrix.query.sql.symbol
Class MultipleElementSymbol

java.lang.Object
  extended by com.metamatrix.query.sql.symbol.Symbol
      extended by com.metamatrix.query.sql.symbol.SelectSymbol
          extended by 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


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