001 /* EVolve - an Extensible Software Visualization Framework 002 * Copyright (C) 2001-2002 Qin Wang 003 * 004 * This library is free software; you can redistribute it and/or 005 * modify it under the terms of the GNU Library General Public 006 * License as published by the Free Software Foundation; either 007 * version 2 of the License, or (at your option) any later version. 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Library General Public License for more details. 013 * 014 * You should have received a copy of the GNU Library General Public 015 * License along with this library; if not, write to the 016 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 017 * Boston, MA 02111-1307, USA. 018 */ 019 020 /* 021 * EVolve is distributed at http://www.sable.mcgill.ca/EVolve/ 022 */ 023 024 package EVolve.visualization; 025 026 import EVolve.data.*; 027 028 public abstract class Dimension { 029 private String name; // name of the dimension 030 protected DataFilter dataFilter; // data filter that gets data for the dimension 031 032 /** 033 * Gets the name of the dimension. 034 * 035 * @return name of the dimension 036 */ 037 public String getName() { 038 return name; 039 } 040 041 /** 042 * Sets the data filter. 043 * 044 * @param dataFilter data filter 045 */ 046 public void setDataFilter(DataFilter dataFilter) { 047 this.name = dataFilter.getName(); 048 this.dataFilter = dataFilter; 049 } 050 051 /** 052 * Gets the data filter. 053 * 054 * @return data filter 055 */ 056 public DataFilter getDataFilter() { 057 return dataFilter; 058 } 059 060 /** 061 * Gets the data from the element. 062 * 063 * @return id of the entity if the field is a reference, or the value if the field is a value 064 */ 065 public abstract int getField(Element element); 066 067 public abstract void preVisualize(); 068 069 public int getEntityNumber() { 070 return 0; 071 } 072 }