/** * Copyright © 2002 Instituto Superior Técnico * * This file is part of FenixEdu Academic. * * FenixEdu Academic 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 Academic 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 Academic. If not, see <http://www.gnu.org/licenses/>. */ package org.fenixedu.academic.domain.accessControl; import java.util.Collection; import java.util.Collections; import java.util.Optional; import java.util.stream.Stream; import org.fenixedu.bennu.core.domain.Bennu; import pt.ist.fenixframework.dml.runtime.Relation; public abstract class FenixPredicateGroup extends FenixPredicateGroup_Base { public FenixPredicateGroup() { super(); setRootForFenixPredicate(getRoot()); } @Override protected Collection<Relation<?, ?>> getContextRelations() { return Collections.singleton(getRelationFenixPredicateGroupBennu()); } protected static <T extends FenixPredicateGroup> Stream<T> filter(Class<T> type) { return (Stream<T>) Bennu.getInstance().getFenixPredicateGroupSet().stream().filter(p -> p.getClass() == type); } protected static <T extends FenixPredicateGroup> Optional<T> find(Class<T> type) { return filter(type).findAny(); } }