/*
Copyright 2014 BarD Software s.r.o
This file is part of GanttProject, an opensource project management tool.
GanttProject is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GanttProject 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GanttProject. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sourceforge.ganttproject.task.algorithm;
import java.math.BigDecimal;
import net.sourceforge.ganttproject.resource.HumanResource;
import net.sourceforge.ganttproject.task.ResourceAssignment;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.TaskContainmentHierarchyFacade;
/**
* Algorithm for calculating task cost
*
* @author dbarashev (Dmitry Barashev)
*/
public class CostAlgorithmImpl {
public BigDecimal getCalculatedCost(Task t) {
BigDecimal total = BigDecimal.ZERO;
TaskContainmentHierarchyFacade taskHierarchy = t.getManager().getTaskHierarchy();
if (taskHierarchy.hasNestedTasks(t)) {
for (Task child : taskHierarchy.getNestedTasks(t)) {
total = total.add(child.getCost().getValue());
}
}
for (ResourceAssignment assignment : t.getAssignments()) {
HumanResource resource = assignment.getResource();
total = total.add(resource.getStandardPayRate()
.multiply(BigDecimal.valueOf(assignment.getLoad()))
.divide(BigDecimal.valueOf(100))
.multiply(BigDecimal.valueOf(t.getDuration().getLength())));
}
return total;
}
}