org.omwg.mediation.language.objectModel
Class InstanceExpr

java.lang.Object
  org.omwg.mediation.language.objectModel.Expression
      org.omwg.mediation.language.objectModel.InstanceExpr

public class InstanceExpr
extends Expression

Extends Expression - constructs an instance expression consisting of either an Id or an expression definition

Version:

$Revision: 1.4 $ $Date: 2005/06/20 09:54:04 $

Author:

Francois Scharffe, Adrian Mocan Created on 23-Mar-2005 Committed by $Author: grahamhench $ $Source: /cvsroot/dome//dome/src/org/omwg/mediation/language/objectModel/InstanceExpr.java,v $,

Field Summary

Fields inherited from class org.omwg.mediation.language.objectModel.Expression

AND_OPERATOR, INVERSE_OPERATOR, JOIN_OPERATOR, NOT_OPERATOR, OR_OPERATOR, REFLEXIVE_OPERATOR, SYMMETRIC_OPERATOR, TRANS_OPERATOR

Constructor Summary

InstanceExpr(Id id)
Construct an instance expression object with an expression definition Id

Method Summary

java.lang.Object	clone() Copies instance expression object
Expression	getSubExpression(int index) Returns null affirming that the indicated expression is no longer applicable
java.util.ArrayList	getSubExpressionsList() Returns null affirming that there are no sub-expressions in the array list.

Methods inherited from class org.omwg.mediation.language.objectModel.Expression

getId, getOperator, isComplexExpression, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

InstanceExpr

public InstanceExpr(Id id)

Construct an instance expression object with an expression definition Id

Parameters:

id -

Method Detail

getSubExpressionsList

public java.util.ArrayList getSubExpressionsList()

Returns null affirming that there are no sub-expressions in the array list.

Specified by:

getSubExpressionsList in class Expression

Returns:

null

getSubExpression

public Expression getSubExpression(int index)

Returns null affirming that the indicated expression is no longer applicable

Specified by:

getSubExpression in class Expression

Returns:

null

clone

public java.lang.Object clone()

Copies instance expression object

Specified by:

clone in class Expression

Returns:

new InstanceExpr object