org.optaplanner.examples.conferencescheduling.solver.conferenceSchedulingConstraints.drl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of optaplanner-examples Show documentation
Show all versions of optaplanner-examples Show documentation
OptaPlanner solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
This module contains the examples which demonstrate how to use it in a normal Java application.
/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.optaplanner.examples.conferencescheduling.solver;
dialect "java"
import org.optaplanner.core.api.score.buildin.hardmediumsoft.HardMediumSoftScoreHolder;
import org.optaplanner.examples.conferencescheduling.domain.ConferenceConstraintConfiguration;
import org.optaplanner.examples.conferencescheduling.domain.Room;
import org.optaplanner.examples.conferencescheduling.domain.Speaker;
import org.optaplanner.examples.conferencescheduling.domain.Talk;
import org.optaplanner.examples.conferencescheduling.domain.Timeslot;
global HardMediumSoftScoreHolder scoreHolder;
// ############################################################################
// Hard constraints
// ############################################################################
rule "Room unavailable timeslot"
when
$talk : Talk(hasUnavailableRoom())
then
scoreHolder.penalize(kcontext,
$talk.getDurationInMinutes());
end
rule "Room conflict"
when
$talk1 : Talk(timeslot != null,
room != null, $room : room,
$id1 : id)
$talk2 : Talk(timeslot != null,
room == $room,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingDurationInMinutes($talk1));
end
rule "Speaker unavailable timeslot"
when
$talk : Talk(hasAnyUnavailableSpeaker())
then
scoreHolder.penalize(kcontext,
$talk.getDurationInMinutes());
end
rule "Speaker conflict"
when
$speaker : Speaker()
$talk1 : Talk(timeslot != null,
hasSpeaker($speaker),
$id1 : id)
$talk2 : Talk(timeslot != null,
hasSpeaker($speaker),
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingDurationInMinutes($talk1));
end
rule "Talk prerequisite talks"
when
$talk1 : Talk(timeslot != null)
$talk2 : Talk(timeslot != null,
getPrerequisiteTalkSet().contains($talk1),
!getTimeslot().startsAfter($talk1.getTimeslot()))
then
scoreHolder.penalize(kcontext,
$talk1.getDurationInMinutes() + $talk2.getDurationInMinutes());
end
rule "Talk mutually-exclusive-talks tags"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingMutuallyExclusiveTalksTagCount($talk1) > 0,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingMutuallyExclusiveTalksTagCount($talk1) * $talk2.overlappingDurationInMinutes($talk1));
end
rule "Consecutive talks pause"
when
ConferenceConstraintConfiguration($minimumPause : minimumConsecutiveTalksPauseInMinutes)
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
hasMutualSpeaker($talk1),
!getTimeslot().pauseExists($talk1.getTimeslot(), $minimumPause),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk1.getDurationInMinutes() + $talk2.getDurationInMinutes());
end
rule "Crowd control"
when
$talk : Talk(timeslot != null, $timeslot : timeslot,
crowdControlRisk > 0)
Number(this != 1) from accumulate(
// TODO Analyse if this is better: getTimeslot().getStartDateTime().equals($timeslot.getStartDateTime())
// because from a crowd control perspective, only the start of the session matters
// Timeslot.overlaps() is deliberately not used
$otherTalk : Talk(timeslot == $timeslot,
crowdControlRisk > 0,
this != $talk),
count($otherTalk)
)
then
scoreHolder.penalize(kcontext, $timeslot.getDurationInMinutes());
end
rule "Speaker required timeslot tags"
when
$talk : Talk($count : missingSpeakerRequiredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker prohibited timeslot tags"
when
$talk : Talk($count : prevailingSpeakerProhibitedTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk required timeslot tags"
when
$talk : Talk($count : missingRequiredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk prohibited timeslot tags"
when
$talk : Talk($count : prevailingProhibitedTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker required room tags"
when
$talk : Talk($count : missingSpeakerRequiredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker prohibited room tags"
when
$talk : Talk($count : prevailingSpeakerProhibitedRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk required room tags"
when
$talk : Talk($count : missingRequiredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk prohibited room tags"
when
$talk : Talk($count : prevailingProhibitedRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
// ############################################################################
// Medium constraints
// ############################################################################
rule "Published timeslot"
when
$talk : Talk(publishedTimeslot != null, timeslot != publishedTimeslot)
then
scoreHolder.penalize(kcontext);
end
// ############################################################################
// Soft constraints
// ############################################################################
rule "Published room"
when
$talk : Talk(timeslot != null, publishedRoom != null, room != publishedRoom)
then
scoreHolder.penalize(kcontext);
end
rule "Theme track conflict"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingThemeTrackCount($talk1) > 0,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingThemeTrackCount($talk1) * $talk2.overlappingDurationInMinutes($talk1));
end
rule "Theme track room stability"
when
$talk1 : Talk(timeslot != null,
$room : room,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingThemeTrackCount($talk1) > 0,
getTimeslot().isOnSameDayAs($talk1.getTimeslot()),
room != $room,
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingThemeTrackCount($talk1)
* ($talk1.getDurationInMinutes() + $talk2.getDurationInMinutes()));
end
rule "Sector conflict"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingSectorCount($talk1) > 0,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingSectorCount($talk1) * $talk2.overlappingDurationInMinutes($talk1));
end
rule "Audience type diversity"
when
$talk1 : Talk(timeslot != null, $timeslot : timeslot,
$id1 : id)
// Timeslot.overlaps() is deliberately not used
$talk2 : Talk(timeslot == $timeslot,
overlappingAudienceTypeCount($talk1) > 0,
id > $id1)
then
scoreHolder.reward(kcontext,
$talk2.overlappingAudienceTypeCount($talk1) * $timeslot.getDurationInMinutes());
end
rule "Audience type theme track conflict"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingThemeTrackCount($talk1) > 0,
overlappingAudienceTypeCount($talk1) > 0,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
($talk2.overlappingThemeTrackCount($talk1) * $talk2.overlappingAudienceTypeCount($talk1))
* $talk2.overlappingDurationInMinutes($talk1));
end
rule "Audience level diversity"
when
Talk(timeslot != null, $timeslot : timeslot,
$audienceLevel : audienceLevel,
$id1 : id)
// Timeslot.overlaps() is deliberately not used
Talk(timeslot == $timeslot,
audienceLevel != $audienceLevel,
id > $id1)
then
scoreHolder.reward(kcontext,
$timeslot.getDurationInMinutes());
end
rule "Content audience level flow violation"
when
$talk1 : Talk(timeslot != null, $timeslot1 : timeslot,
$audienceLevel1 : audienceLevel)
$talk2 : Talk(timeslot != null,
audienceLevel < $audienceLevel1,
overlappingContentCount($talk1) > 0,
!getTimeslot().endsBefore($timeslot1))
then
scoreHolder.penalize(kcontext,
$talk2.overlappingContentCount($talk1)
* ($talk1.getDurationInMinutes() + $talk2.getDurationInMinutes()));
end
rule "Content conflict"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingContentCount($talk1) > 0,
overlapsTime($talk1),
id > $id1)
then
scoreHolder.penalize(kcontext,
$talk2.overlappingContentCount($talk1) * $talk2.overlappingDurationInMinutes($talk1));
end
rule "Language diversity"
when
Talk(timeslot != null, $timeslot : timeslot,
$language1 : language,
$id1 : id)
// Timeslot.overlaps() is deliberately not used
Talk(timeslot == $timeslot,
language != $language1,
id > $id1)
then
scoreHolder.reward(kcontext,
$timeslot.getDurationInMinutes());
end
rule "Same day talks"
when
$talk1 : Talk(timeslot != null,
$id1 : id)
$talk2 : Talk(timeslot != null,
overlappingContentCount($talk1) > 0 || overlappingThemeTrackCount($talk1) > 0,
!getTimeslot().isOnSameDayAs($talk1.getTimeslot()),
id > $id1)
then
scoreHolder.penalize(kcontext,
($talk2.overlappingThemeTrackCount($talk1) + $talk2.overlappingContentCount($talk1))
* ($talk1.getDurationInMinutes() + $talk2.getDurationInMinutes()));
end
rule "Popular talks"
when
$talk1 : Talk(timeslot != null,
room != null, $room1 : room,
$favoriteCount1 : favoriteCount)
$talk2 : Talk(timeslot != null,
room != null,
favoriteCount < $favoriteCount1,
getRoom().getCapacity() > $room1.getCapacity())
then
scoreHolder.penalize(kcontext,
$talk1.getDurationInMinutes() + $talk2.getDurationInMinutes());
end
rule "Speaker preferred timeslot tags"
when
$talk : Talk($count : missingSpeakerPreferredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker undesired timeslot tags"
when
$talk : Talk($count : prevailingSpeakerUndesiredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk preferred timeslot tags"
when
$talk : Talk($count : missingPreferredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk undesired timeslot tags"
when
$talk : Talk($count : prevailingUndesiredTimeslotTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker preferred room tags"
when
$talk : Talk($count : missingSpeakerPreferredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Speaker undesired room tags"
when
$talk : Talk($count : prevailingSpeakerUndesiredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk preferred room tags"
when
$talk : Talk($count : missingPreferredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end
rule "Talk undesired room tags"
when
$talk : Talk($count : prevailingUndesiredRoomTagCount() > 0)
then
scoreHolder.penalize(kcontext,
$count * $talk.getDurationInMinutes());
end