Java tutorial
/******************************************************************************* * This file is part of UserWeave. * * UserWeave 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. * * UserWeave 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 UserWeave. If not, see <http://www.gnu.org/licenses/>. * * Copyright 2012 User Prompt GmbH | Psychologic IT Expertise *******************************************************************************/ package com.userweave.domain; import java.util.ArrayList; import java.util.List; import javax.persistence.MappedSuperclass; import javax.persistence.OneToMany; import org.hibernate.annotations.Cascade; import org.hibernate.annotations.CascadeType; import com.userweave.module.ModuleConfiguration; @MappedSuperclass public abstract class ModuleConfigurationWithGroups<T extends ModuleConfiguration<?>, U extends TestResultEntityBase<?>, G extends Group> extends ModuleConfigurationWithResultsEntity<T, U> { private static final long serialVersionUID = -8217578599192259160L; private List<G> groups = new ArrayList<G>(); public void setGroups(List<G> groups) { this.groups = groups; } @Override @OneToMany @Cascade(value = { CascadeType.ALL }) public List<G> getGroups() { return groups; } public void removeFromGroups(G group) { groups.remove(group); } /* this has to be done by the children itself @Transient public ModuleConfigurationWithGroups<T, U, G> copy(ModuleConfigurationWithGroups<T, U, G> clone) { super.copy(clone); if(groups != null) { List<Group> cloneGroups = new ArrayList<Group>(); for(Group group : groups) { Group cloneGroup = group.copy(); cloneGroups.add(cloneGroup); } clone.setGroups((List<G>) cloneGroups); } return clone; } */ }