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Code Issues Releases Wiki Activity

sort jobs acc to priorities

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oblonski 2017-06-30 08:47:55 +02:00
parent 5fa1cea6af
commit 1ef29a268c
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3 changed files with 45 additions and 26 deletions
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35
jsprit-core/src/main/java/com/graphhopper/jsprit/core/algorithm/recreate/AccordingToPriorities.java Normal file
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@ -0,0 +1,35 @@
/*
* Licensed to GraphHopper GmbH under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* GraphHopper GmbH licenses this file to you 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 com.graphhopper.jsprit.core.algorithm.recreate;
import com.graphhopper.jsprit.core.problem.job.Job;
import java.util.Comparator;
/**
* Created by schroeder on 30/06/17.
*/
class AccordingToPriorities implements Comparator<Job> {
@Override
public int compare(Job o1, Job o2) {
return o1.getPriority() - o2.getPriority();
}
}

19
jsprit-core/src/main/java/com/graphhopper/jsprit/core/algorithm/recreate/BestInsertion.java
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@ -24,7 +24,10 @@ import com.graphhopper.jsprit.core.util.NoiseMaker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
@ -63,7 +66,7 @@ public final class BestInsertion extends AbstractInsertionStrategy {
List<Job> badJobs = new ArrayList<Job>(unassignedJobs.size());
List<Job> unassignedJobList = new ArrayList<Job>(unassignedJobs);
Collections.shuffle(unassignedJobList, random);
sometimesSortPriorities(unassignedJobList);
Collections.sort(unassignedJobList, new AccordingToPriorities());
for (Job unassignedJob : unassignedJobList) {
Insertion bestInsertion = null;
InsertionData empty = new InsertionData.NoInsertionFound();
@ -98,16 +101,4 @@ public final class BestInsertion extends AbstractInsertionStrategy {
return badJobs;
}
private void sometimesSortPriorities(List<Job> unassignedJobList) {
// if(random.nextDouble() < 0.5){
Collections.sort(unassignedJobList, new Comparator<Job>() {
@Override
public int compare(Job o1, Job o2) {
return o1.getPriority() - o2.getPriority();
}
});
//}
}
}

17
jsprit-core/src/main/java/com/graphhopper/jsprit/core/algorithm/recreate/BestInsertionConcurrent.java
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@ -27,7 +27,10 @@ import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.*;
@ -99,7 +102,7 @@ public final class BestInsertionConcurrent extends AbstractInsertionStrategy {
List<Job> badJobs = new ArrayList<Job>(unassignedJobs.size());
List<Job> unassignedJobList = new ArrayList<Job>(unassignedJobs);
Collections.shuffle(unassignedJobList, random);
sometimesSortPriorities(unassignedJobList);
Collections.sort(unassignedJobList, new AccordingToPriorities());
List<Batch> batches = distributeRoutes(vehicleRoutes, nuOfBatches);
List<String> failedConstraintNames = new ArrayList<>();
for (final Job unassignedJob : unassignedJobList) {
@ -149,16 +152,6 @@ public final class BestInsertionConcurrent extends AbstractInsertionStrategy {
return badJobs;
}
private void sometimesSortPriorities(List<Job> unassignedJobList) {
// if(random.nextDouble() < 0.5){
Collections.sort(unassignedJobList, new Comparator<Job>() {
@Override
public int compare(Job o1, Job o2) {
return o1.getPriority() - o2.getPriority();
}
});
// }
}
private Insertion getBestInsertion(Batch batch, Job unassignedJob) {
Insertion bestInsertion = null;