net.sf.cpsolver.ifs.example.jobshop
Class Operation

java.lang.Object
  net.sf.cpsolver.ifs.model.Variable
      net.sf.cpsolver.ifs.example.jobshop.Operation

All Implemented Interfaces:

Comparable

public class Operation
extends Variable

Operation.

Each operation has its number, job, machine and processing time

Version:

IFS 1.1 (Iterative Forward Search)
Copyright (C) 2006 Tomáš Müller
muller@unitime.org
Lazenska 391, 76314 Zlin, Czech Republic

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Field Summary

Fields inherited from class net.sf.cpsolver.ifs.model.Variable

iId, iValue

Constructor Summary

Operation(Job job, Machine machine, int operationNumber, int processingTime)
Constructor

Method Summary

boolean	equals(Object o) Compares two operations -- job number and operation number must match
Job	getJob() Get job
int	getJobNumber() Get job number
Machine	getMachine() Get machine
int	getMachineNumber() Get machine number
int	getMaxStartTime() Get maximal starting time
int	getMinStartTime() Get minimal starting time
String	getName() Operation's name (e.g., O[2,4] where 2 is the job number and 4 is the operation number
int	getOperationNumber() Get operation number
Operation	getPrecedingOperation() Get the preceeding operation (if any)
int	getProcessingTime() Get processing time
Operation	getSubsequentOperation() Get the subsequent operation (if any)
void	init() Initialozation -- fills the variable's domain
String	toString() string representation -- for debuging and printing purposes

Methods inherited from class net.sf.cpsolver.ifs.model.Variable

addContstraint, addVariableListener, assign, compareTo, constraints, constraintVariables, countAssignments, getAssignment, getBestAssignment, getBestAssignmentIteration, getDescription, getExtra, getId, getInitialAssignment, getModel, getVariableListeners, hardConstraints, hasAssignment, hashCode, hasInitialAssignment, hasValues, lastAssignmentIteration, lastUnassignmentIteration, removeContstraint, removeInitialValue, removeValue, removeVariableListener, setBestAssignment, setExtra, setInitialAssignment, setModel, setValues, softConstraints, unassign, values

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Operation

public Operation(Job job,
                 Machine machine,
                 int operationNumber,
                 int processingTime)

Constructor

Parameters:

job - job

machine - machine

operationNumber - operation number

processingTime - processing time

Method Detail

getJob

public Job getJob()

Get job

getJobNumber

public int getJobNumber()

Get job number

getOperationNumber

public int getOperationNumber()

Get operation number

getMachine

public Machine getMachine()

Get machine

getMachineNumber

public int getMachineNumber()

Get machine number

getProcessingTime

public int getProcessingTime()

Get processing time

getPrecedingOperation

public Operation getPrecedingOperation()

Get the preceeding operation (if any)

getSubsequentOperation

public Operation getSubsequentOperation()

Get the subsequent operation (if any)

getMinStartTime

public int getMinStartTime()

Get minimal starting time

getMaxStartTime

public int getMaxStartTime()

Get maximal starting time

equals

public boolean equals(Object o)

Compares two operations -- job number and operation number must match

Overrides:

equals in class Variable

init

public void init()

Initialozation -- fills the variable's domain

toString

public String toString()

string representation -- for debuging and printing purposes

Overrides:

toString in class Variable

getName

public String getName()

Operation's name (e.g., O[2,4] where 2 is the job number and 4 is the operation number

Overrides:

getName in class Variable