/*
* This file is part of LibrePlan
*
* Copyright (C) 2011 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.business.planner.entities.visitors;
/**
* FIXME
* This visitor calculates allocated/spent hours deviation
* for finished tasks.
* @author Nacho Barrientos <nacho@igalia.com>
*/
import java.util.ArrayList;
import java.util.List;
import org.libreplan.business.orders.entities.SumChargedEffort;
import org.libreplan.business.planner.entities.Task;
import org.libreplan.business.planner.entities.TaskElement;
import org.libreplan.business.planner.entities.TaskGroup;
import org.libreplan.business.util.TaskElementVisitor;
import org.libreplan.business.workingday.EffortDuration;
public class CalculateFinishedTasksEstimationDeviationVisitor extends TaskElementVisitor {
private List<Double> deviations;
public CalculateFinishedTasksEstimationDeviationVisitor() {
this.deviations = new ArrayList<Double>();
}
public List<Double> getDeviations() {
return this.deviations;
}
public int getNumberOfConsideredTasks(){
return deviations.size();
}
public void visit(Task task) {
if (task.isFinished()) {
EffortDuration effort = task.getAssignedEffort();
if (effort.isZero()) {
effort = EffortDuration.hours(task.getOrderElement()
.getWorkHours());
}
if (!effort.isZero()) {
SumChargedEffort sumChargedEffort = task.getOrderElement()
.getSumChargedEffort();
EffortDuration spentEffort = sumChargedEffort == null ? EffortDuration
.zero() : sumChargedEffort.getTotalChargedEffort();
if (!spentEffort.isZero()) {
double deviation;
if (spentEffort.compareTo(effort) >= 0) {
deviation = spentEffort.minus(effort)
.dividedByAndResultAsBigDecimal(effort)
.doubleValue();
} else {
deviation = -effort.minus(spentEffort)
.dividedByAndResultAsBigDecimal(effort)
.doubleValue();
}
deviations.add(deviation * 100);
}
}
}
}
public void visit(TaskGroup taskGroup) {
for (TaskElement each: taskGroup.getChildren()) {
each.acceptVisitor(this);
}
}
}