/*
 * Created on 2005/05/11
 * 
 */
package net.sourceforge.fenixedu.applicationTier.Servico.resourceAllocationManager;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionCourse;
import net.sourceforge.fenixedu.dataTransferObject.InfoLesson;
import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.Lesson;
import net.sourceforge.fenixedu.domain.Shift;
import pt.ist.fenixWebFramework.services.Service;

/**
 * 
 * @author Luis Cruz
 */
public class LerAulasDeDisciplinaExecucao extends FenixService {

    @Service
    public static Object run(final InfoExecutionCourse infoExecutionCourse) {

	final ExecutionCourse executionCourse = rootDomainObject.readExecutionCourseByOID(infoExecutionCourse.getIdInternal());
	final Set<Shift> shifts = executionCourse.getAssociatedShifts();

	// An estimated upper bound for the number of elements is three lessons
	// per shift.
	final int estimatedNumberOfLessons = shifts.size() * 3;

	final List<InfoLesson> infoLessons = new ArrayList<InfoLesson>(estimatedNumberOfLessons);

	for (final Shift shift : shifts) {
	    for (final Lesson lesson : shift.getAssociatedLessons()) {
		infoLessons.add(InfoLesson.newInfoFromDomain(lesson));
	    }
	}

	return infoLessons;
    }

}