001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.core.treematrix; 025 026 import java.util.Collection; 027 import java.util.List; 028 import java.util.Map; 029 030 public interface Tree { 031 032 public Map<Object, Object> getParentMap(); 033 034 public void setRoot(Object o); 035 036 public List<Object> getChildren(Object o); 037 038 public Object getParent(Object o); 039 040 public Collection<Object> getObjectList(); 041 042 public boolean isChild(Object parent, Object child); 043 044 public boolean isChild(int parentId, int childId); 045 046 public Object getObject(int index); 047 048 public void addChild(Object parent, Object child); 049 050 public void addChildren(Object parent, Collection<? extends Object> children); 051 052 public void removeChild(Object parent, Object child); 053 054 public void addObject(Object o); 055 056 public int getNumberOfObjects(); 057 058 }