scale.clef.expr
Class PositionOp

java.lang.Object
  scale.clef.expr.PositionOp

Direct Known Subclasses:

PositionFieldOp, PositionIndexOp, PositionOffsetOp, PositionRepeatOp

public abstract class PositionOp
extends java.lang.Object

The PositionOp class represents a position in an aggregation.

$Id: PositionOp.java,v 1.34 2005-03-14 22:28:57 burrill Exp $

Copyright 2005 by the Scale Compiler Group,
Department of Computer Science
University of Massachusetts,
Amherst MA. 01003, USA
All Rights Reserved.

Constructor Summary

PositionOp()

Method Summary

boolean

equivalent(java.lang.Object exp) Return true if the two expressions are equivalent.

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionOp

public PositionOp()

Method Detail

equivalent

public boolean equivalent(java.lang.Object exp)

Return true if the two expressions are equivalent.