net.sf.bddbddb.ir.dynamic
Class Nop

java.lang.Object
  net.sf.bddbddb.ir.Operation
      net.sf.bddbddb.ir.dynamic.DynamicOperation
          net.sf.bddbddb.ir.dynamic.Nop

All Implemented Interfaces:

IterationElement

public class Nop
extends DynamicOperation

No operation.

Version:

$Id: Nop.java 328 2004-10-16 02:45:30Z joewhaley $

Author:

John Whaley

Field Summary

Fields inherited from class net.sf.bddbddb.ir.Operation

id, TRACE_VERBOSE

Constructor Summary

Nop()

Method Summary

Operation	copy()
java.lang.String	getExpressionString()
Relation	getRelationDest()
java.util.List	getSrcs()
void	replaceSrc(Relation r_old, Relation r_new)
void	setRelationDest(Relation dest)
java.lang.String	toString()
java.lang.Object	visit(DynamicOperationVisitor i)

Methods inherited from class net.sf.bddbddb.ir.dynamic.DynamicOperation

visit

Methods inherited from class net.sf.bddbddb.ir.Operation

getNumberOfOperations, getRenames

Methods inherited from class java.lang.Object

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

Constructor Detail

Nop

public Nop()

Method Detail

visit

public java.lang.Object visit(DynamicOperationVisitor i)

Specified by:

visit in class DynamicOperation

Parameters:

i - the visitor

Returns:

the result from the visitor

toString

public java.lang.String toString()

Specified by:

toString in class Operation

getRelationDest

public Relation getRelationDest()

Specified by:

getRelationDest in class Operation

Returns:

the destination relation of this operation, or null

getSrcs

public java.util.List getSrcs()

Specified by:

getSrcs in class Operation

Returns:

the source relation of this operation

getExpressionString

public java.lang.String getExpressionString()

Specified by:

getExpressionString in class Operation

Returns:

the expression in string form

setRelationDest

public void setRelationDest(Relation dest)

Specified by:

setRelationDest in class Operation

copy

public Operation copy()

Specified by:

copy in class Operation

replaceSrc

public void replaceSrc(Relation r_old,
                       Relation r_new)

Specified by:

replaceSrc in class Operation