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Business logic for time KPI "Estimation accuracy"

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FEA: ItEr75S27PerProjectDashboard
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Nacho Barrientos 2011-11-22 18:00:53 +01:00 • committed by Manuel Rego Casasnovas
parent c63f5a4cae
commit 6cc00cf01f
1 changed files with 51 additions and 0 deletions
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51
libreplan-webapp/src/main/java/org/libreplan/web/dashboard/DashboardModel.java
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@ -21,7 +21,9 @@ package org.libreplan.web.dashboard;
import java.math.BigDecimal;
import java.math.MathContext;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import org.joda.time.Days;
@ -33,6 +35,7 @@ import org.libreplan.business.planner.entities.TaskGroup;
import org.libreplan.business.planner.entities.TaskStatusEnum;
import org.libreplan.business.planner.entities.visitors.AccumulateTasksDeadlineStatusVisitor;
import org.libreplan.business.planner.entities.visitors.AccumulateTasksStatusVisitor;
import org.libreplan.business.planner.entities.visitors.CalculateFinishedTasksEstimationDeviationVisitor;
import org.libreplan.business.planner.entities.visitors.ResetTasksStatusVisitor;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
@ -46,11 +49,16 @@ import org.springframework.stereotype.Component;
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public class DashboardModel {
public final static int EA_STRECHES_PERCENTAGE_SIZE = 10;
public final static int EA_STRECHES_MIN_VALUE = -100;
public final static int EA_STRECHES_MAX_VALUE = 200;
private Order currentOrder;
private Integer taskCount = null;
private Map<TaskStatusEnum, BigDecimal> taskStatusStats;
private Map<TaskDeadlineViolationStatusEnum, BigDecimal> taskDeadlineViolationStatusStats;
private List<Double> taskEstimationAccuracyHistogram;
public DashboardModel() {
taskStatusStats = new EnumMap<TaskStatusEnum, BigDecimal>(
@ -64,6 +72,7 @@ public class DashboardModel {
this.taskCount = null;
this.calculateTaskStatusStatistics();
this.calculateTaskViolationStatusStatistics();
this.calculateFinishedTasksEstimationAccuracyHistogram();
}
/* Progress KPI: "Number of tasks by status" */
@ -170,6 +179,48 @@ public class DashboardModel {
return outcome.divide(new BigDecimal(orderDuration.getDays()), 8, BigDecimal.ROUND_HALF_EVEN);
}
/* Time KPI: Estimation accuracy */
public List<Double> getFinishedTasksEstimationAccuracyHistogram() {
return this.taskEstimationAccuracyHistogram;
}
private void calculateFinishedTasksEstimationAccuracyHistogram() {
CalculateFinishedTasksEstimationDeviationVisitor visitor =
new CalculateFinishedTasksEstimationDeviationVisitor();
TaskElement rootTask = getRootTask();
rootTask.acceptVisitor(visitor);
List<Double> deviations = visitor.getDeviations();
int lowBound = EA_STRECHES_MIN_VALUE;
int highBound = EA_STRECHES_MAX_VALUE;
int variableRange = highBound - lowBound;
int numberOfClasses = variableRange/EA_STRECHES_PERCENTAGE_SIZE;
// [-100, -90), [-90, -80), ..., [190, 200), [200, inf)
int[] classes = new int[numberOfClasses+1];
for(Double deviation: deviations) {
int index;
if (deviation >= highBound) {
index = numberOfClasses;
} else {
index = (int)(numberOfClasses *
(((deviation.doubleValue() - lowBound))/variableRange));
}
classes[index]++;
}
this.taskEstimationAccuracyHistogram = new ArrayList<Double>();
int numberOfConsideredTasks = visitor.getNumberOfConsideredTasks();
for(int numberOfElementsInClass: classes) {
Double relativeCount = new Double(0.0);
if (numberOfConsideredTasks > 0) {
relativeCount = new Double(1.0*numberOfElementsInClass/
numberOfConsideredTasks);
}
this.taskEstimationAccuracyHistogram.add(relativeCount);
}
}
private void calculateTaskStatusStatistics() {
AccumulateTasksStatusVisitor visitor = new AccumulateTasksStatusVisitor();
TaskElement rootTask = getRootTask();