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Code Issues Releases Wiki Activity

make reason frequency accessible

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oblonski 2017-03-14 09:55:35 +01:00
parent f9e000c3ff
commit 9453f0eb06
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2 changed files with 42 additions and 10 deletions
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44
jsprit-core/src/main/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTracker.java
View file

@ -22,10 +22,7 @@ import com.graphhopper.jsprit.core.algorithm.recreate.listener.JobUnassignedList
import com.graphhopper.jsprit.core.problem.job.Job; import com.graphhopper.jsprit.core.problem.job.Job;
import org.apache.commons.math3.stat.Frequency; import org.apache.commons.math3.stat.Frequency;
import java.util.Collection; import java.util.*;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/** /**
* Created by schroeder on 06/02/17. * Created by schroeder on 06/02/17.
@ -72,6 +69,35 @@ public class UnassignedJobReasonTracker implements JobUnassignedListener {
} }
/** /**
* For each job id, it returns frequency distribution of failed constraints (simple name of constraint) in an unmodifiable map.
*
* @return
*/
public Map<String, Frequency> getReasons() {
return Collections.unmodifiableMap(reasons);
}
/**
* Returns an unmodifiable map of codes and reason pairs.
*
* @return
*/
public Map<Integer, String> getCodesToReason() {
return Collections.unmodifiableMap(codesToReason);
}
/**
* Returns an unmodifiable map of constraint names (simple name of constraint) and reason code pairs.
*
* @return
*/
public Map<String, Integer> getFailedConstraintNamesToCode() {
return Collections.unmodifiableMap(failedConstraintNamesToCode);
}
/**
* Returns the most likely reason code i.e. the reason (failed constraint) being observed most often.
*
* 1 --> "cannot serve required skill * 1 --> "cannot serve required skill
* 2 --> "cannot be visited within time window" * 2 --> "cannot be visited within time window"
* 3 --> "does not fit into any vehicle due to capacity" * 3 --> "does not fit into any vehicle due to capacity"
@ -80,13 +106,19 @@ public class UnassignedJobReasonTracker implements JobUnassignedListener {
* @param jobId * @param jobId
* @return * @return
*/ */
public int getCode(String jobId) { public int getMostLikelyReasonCode(String jobId) {
Frequency reasons = this.reasons.get(jobId); Frequency reasons = this.reasons.get(jobId);
String mostLikelyReason = getMostLikely(reasons); String mostLikelyReason = getMostLikely(reasons);
return toCode(mostLikelyReason); return toCode(mostLikelyReason);
} }
public String getReason(String jobId) { /**
* Returns the most likely reason i.e. the reason (failed constraint) being observed most often.
*
* @param jobId
* @return
*/
public String getMostLikelyReason(String jobId) {
Frequency reasons = this.reasons.get(jobId); Frequency reasons = this.reasons.get(jobId);
String mostLikelyReason = getMostLikely(reasons); String mostLikelyReason = getMostLikely(reasons);
int code = toCode(mostLikelyReason); int code = toCode(mostLikelyReason);

8
jsprit-core/src/test/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTrackerTest.java
View file

@ -74,7 +74,7 @@ public class UnassignedJobReasonTrackerTest {
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions()); VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(1, solution.getUnassignedJobs().size()); Assert.assertEquals(1, solution.getUnassignedJobs().size());
Assert.assertEquals(3, reasonTracker.getCode(solution.getUnassignedJobs().iterator().next().getId())); Assert.assertEquals(3, reasonTracker.getMostLikelyReasonCode(solution.getUnassignedJobs().iterator().next().getId()));
} }
@Test @Test
@ -90,7 +90,7 @@ public class UnassignedJobReasonTrackerTest {
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions()); VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(1, solution.getUnassignedJobs().size()); Assert.assertEquals(1, solution.getUnassignedJobs().size());
Assert.assertEquals(1, reasonTracker.getCode(solution.getUnassignedJobs().iterator().next().getId())); Assert.assertEquals(1, reasonTracker.getMostLikelyReasonCode(solution.getUnassignedJobs().iterator().next().getId()));
} }
@Test @Test
@ -106,7 +106,7 @@ public class UnassignedJobReasonTrackerTest {
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions()); VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(1, solution.getUnassignedJobs().size()); Assert.assertEquals(1, solution.getUnassignedJobs().size());
Assert.assertEquals(2, reasonTracker.getCode(solution.getUnassignedJobs().iterator().next().getId())); Assert.assertEquals(2, reasonTracker.getMostLikelyReasonCode(solution.getUnassignedJobs().iterator().next().getId()));
} }
@Test @Test
@ -137,7 +137,7 @@ public class UnassignedJobReasonTrackerTest {
VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions()); VehicleRoutingProblemSolution solution = Solutions.bestOf(vra.searchSolutions());
Assert.assertEquals(1, solution.getUnassignedJobs().size()); Assert.assertEquals(1, solution.getUnassignedJobs().size());
Assert.assertEquals(4, reasonTracker.getCode(solution.getUnassignedJobs().iterator().next().getId())); Assert.assertEquals(4, reasonTracker.getMostLikelyReasonCode(solution.getUnassignedJobs().iterator().next().getId()));
} }
@Test @Test