Java tutorial
/* * This file is part of GDL. * * GDL 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. * * GDL 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 GDL. If not, see <http://www.gnu.org/licenses/>. */ package org.s1ck.gdl.model; import com.google.common.collect.Sets; import java.util.Set; public class GraphElement extends Element { private Set<Long> graphs; public GraphElement() { graphs = Sets.newHashSet(); } public void addToGraph(Long graphId) { graphs.add(graphId); } public Set<Long> getGraphs() { return graphs; } }