net.sf.saffron.rex
Class RexVariable

java.lang.Object
  |
  +--net.sf.saffron.rex.RexNode
        |
        +--net.sf.saffron.rex.RexVariable

Direct Known Subclasses:

AggInternalTranslator.RexAggVariable, AggInternalTranslator.RexGroupVariable, RexCorrelVariable, RexInputRef

public abstract class RexVariable

extends RexNode

A row-expression which references a field.

Since:

Nov 24, 2003

Version:

$Id: $

Author:

jhyde

Field Summary

protected String	name
protected SaffronType	type

Fields inherited from class net.sf.saffron.rex.RexNode

digest

Constructor Summary

protected

RexVariable(String name, SaffronType type)

Method Summary

String	getName() Returns the name of this variable.
SaffronType	getType()

Methods inherited from class net.sf.saffron.rex.RexNode

clone, getKind, isA, isAlwaysTrue, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

name

protected final String name

type

protected final SaffronType type

Constructor Detail

RexVariable

protected RexVariable(String name,
                      SaffronType type)

Method Detail

getType

public SaffronType getType()

Specified by:

getType in class RexNode

getName

public String getName()

Returns the name of this variable.