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.data; 025 026 import java.util.HashMap; 027 028 public class ValueComparator implements EntityComparator, Cloneable { 029 private String name; 030 private boolean increase; 031 private int[] value; 032 private HashMap EntityId2Int; 033 034 public ValueComparator(String name, boolean increase, int[] value, HashMap EntityId2Int) { 035 this.name = name; 036 this.increase = increase; 037 this.value = value; 038 this.EntityId2Int = EntityId2Int; 039 } 040 041 public String getName() { 042 return name; 043 } 044 045 public int compare(Entity entity1, Entity entity2) { 046 int entityId1 = ((Integer)EntityId2Int.get(entity1.getName())).intValue(); 047 int entityId2 = ((Integer)EntityId2Int.get(entity2.getName())).intValue(); 048 if (increase) { 049 return value[entityId1] - value[entityId2]; 050 } else { 051 return value[entityId2] - value[entityId1]; 052 } 053 } 054 055 public Object clone() { 056 ValueComparator o = null; 057 try { 058 o = (ValueComparator)super.clone(); 059 } catch (CloneNotSupportedException e) { 060 return null; 061 } 062 o.name = name; 063 if (value != null) { 064 o.value = new int[value.length]; 065 for (int i=0; i<value.length; i++) 066 o.value[i] = value[i]; 067 } 068 return o; 069 } 070 }