net.sf.bddbddb.ir.highlevel
Class GenConstant

java.lang.Object
  net.sf.bddbddb.ir.Operation
      net.sf.bddbddb.ir.highlevel.GenConstant

All Implemented Interfaces:

IterationElement

public class GenConstant
extends Operation

GenConstant

Version:

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

Author:

jwhaley

Field Summary

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

id, TRACE_VERBOSE

Constructor Summary

GenConstant(Relation r0, Attribute a, long value)

Method Summary

Operation	copy()
Attribute	getAttribute()
java.lang.String	getExpressionString()
Relation	getRelationDest()
java.util.List	getSrcs()
long	getValue()
void	replaceSrc(Relation r_old, Relation r_new)
void	setRelationDest(Relation r0)
java.lang.String	toString()
java.lang.Object	visit(OperationVisitor i)

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

GenConstant

public GenConstant(Relation r0,
                   Attribute a,
                   long value)

Parameters:

r0 -

a -

value -

Method Detail

toString

public java.lang.String toString()

Specified by:

toString in class Operation

getExpressionString

public java.lang.String getExpressionString()

Specified by:

getExpressionString in class Operation

Returns:

the expression in string form

visit

public java.lang.Object visit(OperationVisitor i)

Specified by:

visit in class Operation

Returns:

the result of the visit

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

getValue

public long getValue()

Returns:

the value of this constant

getAttribute

public Attribute getAttribute()

Returns:

the attribute of this constant

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

setRelationDest

public void setRelationDest(Relation r0)

Specified by:

setRelationDest in class Operation