OptaPlanner development

1–30 of 715

Developer forum and mailing list

To ask a question, click the "join group" button at the top middle
and then the "New conversation" button at the top left.

0 selected

Patrick Ondreovici, Kent Zhang2

Feb 4

Multi-threaded Construction Heuristic's

I also found that when I started multi-threaded planning, the engine only executed the CH phase, but

unread,

Multi-threaded Construction Heuristic's

I also found that when I started multi-threaded planning, the engine only executed the CH phase, but

Feb 4

Patrick Ondreovici

Feb 3

Optaplanner solver

Hi, is there a way to make optaplanner do not stop, even if we don't have planning entities ?

unread,

Optaplanner solver

Hi, is there a way to make optaplanner do not stop, even if we don't have planning entities ?

Feb 3

Kent Zhang, Lukáš Petrovický3

Feb 1

Can I pin only one planning variable but not all?

Thank you ! Lukáš. Yes, I pin one of the planning variable by implementing the PinningFilter

unread,

Can I pin only one planning variable but not all?

Thank you ! Lukáš. Yes, I pin one of the planning variable by implementing the PinningFilter

Feb 1

Amarjith Vishnu, Sebastian Mrożek2

Jan 30

Domain model for Distributing Products to different locations

The docs are wonderful, I would strongly recommend checking a few examples in this chapter ('

unread,

Domain model for Distributing Products to different locations

The docs are wonderful, I would strongly recommend checking a few examples in this chapter ('

Jan 30

Alberto Benincasa, Lukáš Petrovický5

Jan 26

Optaplanner with MongoDB

Hi. Thank you so much for the feedback, you gave me some very useful information Alberto Il giorno

unread,

Optaplanner with MongoDB

Hi. Thank you so much for the feedback, you gave me some very useful information Alberto Il giorno

Jan 26

Frank Förster, … Julian Ma6

Jan 24

How to test constraint streams with impact(...) result?

Hi, I am experiencing the same behaviour (using optaplanner 8.32), is this intended? xugua...@gmail.

unread,

How to test constraint streams with impact(...) result?

Hi, I am experiencing the same behaviour (using optaplanner 8.32), is this intended? xugua...@gmail.

Jan 24

Sifa Mushagalusa

Jan 21

Tabu Search Algorithm Code Source for Wireless Network Radio Planning.

Hello All and Happy new Year I am looking for Code source of Tabu Search Algorithm to be used for

unread,

Tabu Search Algorithm Code Source for Wireless Network Radio Planning.

Hello All and Happy new Year I am looking for Code source of Tabu Search Algorithm to be used for

Jan 21

Jan 20

Nullability of shadow variables in constraint streams?

Hi, I'm using optaplanner from kotlin, so by language design, I am always trying to figure which

unread,

Nullability of shadow variables in constraint streams?

Hi, I'm using optaplanner from kotlin, so by language design, I am always trying to figure which

Jan 20

holger brandl, Radovan Synek3

Jan 19

Misleading error: invalid planning entity

Thanks Radek, indeed the API makes sense from a naming perspective. I had figured my misconception

unread,

Misleading error: invalid planning entity

Thanks Radek, indeed the API makes sense from a naming perspective. I had figured my misconception

Jan 19

Patrick Ondreovici, … Jiří Locker5

Jan 18

Shadow variable listener

I think Holger is right and my previous answer is not relevant because I missed the word "shadow

unread,

Shadow variable listener

I think Holger is right and my previous answer is not relevant because I missed the word "shadow

Jan 18

Patrick Ondreovici, Radovan Synek2

Jan 2

MoveListFactory | Real time planning

Hello Patrick, after the Solver processes a ProblemFact, it internally restarts solving. As a part of

unread,

MoveListFactory | Real time planning

Hello Patrick, after the Solver processes a ProblemFact, it internally restarts solving. As a part of

Jan 2

12/14/22

Possible to implement a capaciated VRP with multiple picks and single drop using OptaPy?

Hello everyone, I am trying to solve a capacitated vehicle routing problem where the problem

unread,

Possible to implement a capaciated VRP with multiple picks and single drop using OptaPy?

Hello everyone, I am trying to solve a capacitated vehicle routing problem where the problem

12/14/22

Patrick Ondreovici

12/14/22

Hi, It is possible to force a move ? I have chained variables, with one courier and drop_off/pick_up

unread,

Hi, It is possible to force a move ? I have chained variables, with one courier and drop_off/pick_up

12/14/22

Patrick Ondreovici, Radovan Synek2

12/9/22

Update score after field update

Hello, to update a normal field (not a planning variable field) of a planning entity, use the

unread,

Update score after field update

Hello, to update a normal field (not a planning variable field) of a planning entity, use the

12/9/22

Radovan Synek, Patrick Ondreovici3

12/9/22

Re: [optaplanner-dev] Call center example

On Thu, Dec 8, 2022 at 4:01 PM Patrick Ondreovici <patrick.o...@rodeapps.com> wrote: But

unread,

Re: [optaplanner-dev] Call center example

On Thu, Dec 8, 2022 at 4:01 PM Patrick Ondreovici <patrick.o...@rodeapps.com> wrote: But

12/9/22

Patrick Ondreovici

12/8/22

Hi, Let suppose i have a courier entity, that has a Location field, that tells me distances to some

unread,

Hi, Let suppose i have a courier entity, that has a Location field, that tells me distances to some

12/8/22

12/6/22

How to add priority to projects in Project Job Scheduling?

Hello everyone. My scenario is based on the Project Job Scheduling example. Now I want to add a new

unread,

How to add priority to projects in Project Job Scheduling?

Hello everyone. My scenario is based on the Project Job Scheduling example. Now I want to add a new

12/6/22

Patrick Ondreovici, Christopher Chianelli3

12/6/22

Length of chained Variable

Thanks, i will use @PlanningListVariable On Tuesday, December 6, 2022 at 5:54:41 PM UTC+2 cchi...@

unread,

Length of chained Variable

Thanks, i will use @PlanningListVariable On Tuesday, December 6, 2022 at 5:54:41 PM UTC+2 cchi...@

12/6/22

holger brandl, Jiří Locker2

11/29/22

How to configure a VariableListener?

Hi Holger, Unfortunately, what you are looking for is not possible. Custom properties can only be

unread,

How to configure a VariableListener?

Hi Holger, Unfortunately, what you are looking for is not possible. Custom properties can only be

11/29/22

Amarjith Vishnu

11/24/22

CountableIntRange not working properly

Hi, Product/Location ABCD Product1 xxxx Product2 xxxx Product3 xxxx I have products of different

unread,

CountableIntRange not working properly

Hi, Product/Location ABCD Product1 xxxx Product2 xxxx Product3 xxxx I have products of different

11/24/22

Brett Tofel, Lukáš Petrovický3

11/24/22

Possible to use OptaPlanner from golang?

Okay thank you for the detailed reply. Yeah it's an all golang team. I can't propose this as

unread,

Possible to use OptaPlanner from golang?

Okay thank you for the detailed reply. Yeah it's an all golang team. I can't propose this as

11/24/22

Geoffrey De Smet, … Lukáš Petrovický13

11/21/22

Bavet - How much faster does it make OptaPlanner for you?

Edwin, On Wed, Nov 16, 2022 at 5:21 PM Edwin Yaqub <edwin...@gmail.com> wrote: 1- Using 8.29.

unread,

Bavet - How much faster does it make OptaPlanner for you?

Edwin, On Wed, Nov 16, 2022 at 5:21 PM Edwin Yaqub <edwin...@gmail.com> wrote: 1- Using 8.29.

11/21/22

Christoffer Fink, Lukáš Petrovický2

11/21/22

Benchmark simulation and best score

Christoffer, On Sat, Nov 12, 2022 at 5:50 AM 'Christoffer Fink' via OptaPlanner development

unread,

Benchmark simulation and best score

Christoffer, On Sat, Nov 12, 2022 at 5:50 AM 'Christoffer Fink' via OptaPlanner development

11/21/22

Kevin Layman, Osamu Kuniyasu3

11/20/22

Not really a constraint

It's rate response, but... You assign a shift (not a job) to each employee for a given date, but

unread,

Not really a constraint

It's rate response, but... You assign a shift (not a job) to each employee for a given date, but

11/20/22

Amarjith Vishnu, Radovan Synek2

11/15/22

Solving mulitple datasets in parallel

Hello, in general, you can use the SolverManager [1] to solve data sets in parallel utilizing

unread,

Solving mulitple datasets in parallel

Hello, in general, you can use the SolverManager [1] to solve data sets in parallel utilizing

11/15/22

Anastasiia Semina

11/14/22

How to merge task assignment and project job scheduling examples?

https://stackoverflow.com/questions/74402593/how-to-merge-task-assignment-and-project-job-scheduling-

unread,

How to merge task assignment and project job scheduling examples?

https://stackoverflow.com/questions/74402593/how-to-merge-task-assignment-and-project-job-scheduling-

11/14/22

Maiko Metsalu, Lukáš Petrovický2

11/2/22

VRP pinned entities

Hey there, On Wed, Nov 2, 2022 at 12:22 PM Maiko Metsalu <mets...@gmail.com> wrote: Currently

unread,

VRP pinned entities

Hey there, On Wed, Nov 2, 2022 at 12:22 PM Maiko Metsalu <mets...@gmail.com> wrote: Currently

11/2/22

Everett Zettersten

10/28/22

Accumulate Diff between Task Assignments

I've got an interesting problem, that is difficult for me to type out. Given a planning entity

unread,

Accumulate Diff between Task Assignments

I've got an interesting problem, that is difficult for me to type out. Given a planning entity

10/28/22

Muneer Hameer, Lukáš Petrovický3

10/26/22

Increasing API request max size in RHDM

Ok, will do. Thank you for the quickly reply, Lukáš On Tuesday, October 25, 2022 at 11:12:20 PM UTC-7

unread,

Increasing API request max size in RHDM

Ok, will do. Thank you for the quickly reply, Lukáš On Tuesday, October 25, 2022 at 11:12:20 PM UTC-7

10/26/22

Mathias Are, Lukáš Petrovický3

10/24/22

Mixed Pickups and DropOffs VRP With Planning List Variable

Hi, Lukaš! Thanks for the response and the detailed example! We will try to implement a custom move

unread,

Mixed Pickups and DropOffs VRP With Planning List Variable

Hi, Lukaš! Thanks for the response and the detailed example! We will try to implement a custom move

10/24/22

Search

Clear search

Close search

Google apps

Main menu