net.sourceforge.fenixedu.domain.CurricularCourseEquivalence.java Source code

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Here is the source code for net.sourceforge.fenixedu.domain.CurricularCourseEquivalence.java

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/**
 * Copyright  2002 Instituto Superior Tcnico
 *
 * This file is part of FenixEdu Core.
 *
 * FenixEdu Core is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Core 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Core.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.fenixedu.domain;

import java.util.Collection;
import java.util.Comparator;

import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.student.Registration;

import org.apache.commons.collections.CollectionUtils;
import org.fenixedu.bennu.core.domain.Bennu;

/**
 * @author David Santos in Jun 29, 2004
 */

public class CurricularCourseEquivalence extends CurricularCourseEquivalence_Base {

    static final public Comparator<CurricularCourseEquivalence> COMPARATOR_BY_EQUIVALENT_COURSE_NAME = new Comparator<CurricularCourseEquivalence>() {
        @Override
        public int compare(CurricularCourseEquivalence o1, CurricularCourseEquivalence o2) {
            final String name1 = o1.getEquivalentCurricularCourse().getName();
            final String name2 = o2.getEquivalentCurricularCourse().getName();
            return String.CASE_INSENSITIVE_ORDER.compare(name1, name2);
        }
    };

    static final public Comparator<CurricularCourseEquivalence> COMPARATOR_BY_EQUIVALENT_COURSE_CODE = new Comparator<CurricularCourseEquivalence>() {
        @Override
        public int compare(CurricularCourseEquivalence o1, CurricularCourseEquivalence o2) {
            final String code1 = o1.getEquivalentCurricularCourse().getCode();
            final String code2 = o2.getEquivalentCurricularCourse().getCode();
            if (code1 == null) {
                return -1;
            }
            if (code2 == null) {
                return 1;
            }
            return String.CASE_INSENSITIVE_ORDER.compare(code1, code2);
        }
    };

    public CurricularCourseEquivalence() {
        super();
        setRootDomainObject(Bennu.getInstance());
    }

    public CurricularCourseEquivalence(final DegreeCurricularPlan degreeCurricularPlan,
            final CurricularCourse equivalentCurricularCourse,
            final Collection<CurricularCourse> oldCurricularCourses) {
        this();
        checkIfEquivalenceAlreadyExists(equivalentCurricularCourse, oldCurricularCourses);

        setDegreeCurricularPlan(degreeCurricularPlan);
        setEquivalentCurricularCourse(equivalentCurricularCourse);
        getOldCurricularCoursesSet().addAll(oldCurricularCourses);
    }

    private void checkIfEquivalenceAlreadyExists(CurricularCourse curricularCourse,
            Collection<CurricularCourse> oldCurricularCourses) {
        int size = oldCurricularCourses.size();
        for (final CurricularCourseEquivalence curricularCourseEquivalence : curricularCourse
                .getCurricularCourseEquivalencesSet()) {
            int sizeOld = curricularCourseEquivalence.getOldCurricularCoursesSet().size();
            if ((size == sizeOld) && CollectionUtils
                    .intersection(oldCurricularCourses, curricularCourseEquivalence.getOldCurricularCoursesSet())
                    .size() == size) {
                throw new DomainException("error.exists.curricular.course.equivalency");
            }
        }
    }

    public void delete() {
        setDegreeCurricularPlan(null);
        setEquivalentCurricularCourse(null);
        getOldCurricularCoursesSet().clear();

        setRootDomainObject(null);
        super.deleteDomainObject();
    }

    public boolean isSatisfied(final Registration registration) {
        boolean result = true;

        final Collection<CurricularCourse> curricularCoursesApprovedByEnrolment = registration
                .getCurricularCoursesApprovedByEnrolment();
        for (final CurricularCourse oldCurricularCourse : getOldCurricularCoursesSet()) {
            result &= curricularCoursesApprovedByEnrolment.contains(oldCurricularCourse);
        }

        return result;
    }

    public boolean isFrom(DegreeCurricularPlan degreeCurricularPlan) {
        return getDegreeCurricularPlan() == degreeCurricularPlan;
    }

}