001 package net.sf.cpsolver.coursett.model;
002
003 import net.sf.cpsolver.coursett.constraint.RoomConstraint;
004
005 /**
006 * Room part of placement.
007 * <br><br>
008 *
009 * @version
010 * CourseTT 1.1 (University Course Timetabling)<br>
011 * Copyright (C) 2006 Tomáš Müller<br>
012 * <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
013 * Lazenska 391, 76314 Zlin, Czech Republic<br>
014 * <br>
015 * This library is free software; you can redistribute it and/or
016 * modify it under the terms of the GNU Lesser General Public
017 * License as published by the Free Software Foundation; either
018 * version 2.1 of the License, or (at your option) any later version.
019 * <br><br>
020 * This library is distributed in the hope that it will be useful,
021 * but WITHOUT ANY WARRANTY; without even the implied warranty of
022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
023 * Lesser General Public License for more details.
024 * <br><br>
025 * You should have received a copy of the GNU Lesser General Public
026 * License along with this library; if not, write to the Free Software
027 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
028 */
029
030 public class RoomLocation implements Comparable {
031 private int iPreference;
032 private String iName;
033 private Long iId;
034 private Long iBldgId;
035 private int iRoomSize;
036 private int iPosX = 0, iPosY = 0;
037 private RoomConstraint iRoomConstraint = null;
038 private boolean iIgnoreTooFar = false;
039
040 /** Constructor
041 * @param id room id
042 * @param name room name
043 * @param bldgId building id
044 * @param preference soft preference
045 * @param size room size
046 * @param x x-position of the building
047 * @param y y-position of the building
048 */
049 public RoomLocation(Long id, String name, Long bldgId, int preference, int size, int x, int y, boolean ignoreTooFar, RoomConstraint rc) {
050 iId = id;
051 iName = name;
052 iPreference = preference;
053 iRoomSize = size;
054 iPosX = x; iPosY = y;
055 iBldgId = bldgId;
056 iRoomConstraint = rc;
057 iIgnoreTooFar = ignoreTooFar;
058 }
059
060 /** Room id */
061 public Long getId() { return iId; }
062 /** Building id */
063 public Long getBuildingId() { return iBldgId; }
064 /** Room name */
065 public String getName() { return iName; }
066 /** Room preference */
067 public int getPreference() { return iPreference; }
068 public void setPreference(int preference) { iPreference = preference; }
069 /** Room size */
070 public int getRoomSize() { return iRoomSize; }
071 /** Position of the building */
072 public void setCoordinates(int x, int y) { iPosX=x; iPosY=y; }
073 /** X-position of the building */
074 public int getPosX() { return iPosX; }
075 /** Y-position of the building */
076 public int getPosY() { return iPosY; }
077 public boolean getIgnoreTooFar() { return iIgnoreTooFar; }
078 public RoomConstraint getRoomConstraint() { return iRoomConstraint; }
079
080 public String toString() {
081 return "Room{name="+iName+", pref="+iPreference+"}";
082 }
083 public boolean equals(Object o) {
084 if (o==null || !(o instanceof RoomLocation)) return false;
085 return getId().equals(((RoomLocation)o).getId());
086 }
087 public double getDistance(RoomLocation roomLocation) {
088 if (getId().equals(roomLocation.getId())) return 0.0;
089 if (getIgnoreTooFar() || roomLocation.getIgnoreTooFar()) return 0.0;
090 if (getPosX()<0 || getPosY()<0 || roomLocation.getPosX()<0 || roomLocation.getPosY()<0) return 10000.0;
091 long x = getPosX()-roomLocation.getPosX();
092 long y = getPosY()-roomLocation.getPosY();
093 return Math.sqrt((x*x)+(y*y));
094 }
095
096 public int compareTo(Object o) {
097 int cmp = -(new Long(getRoomSize())).compareTo(new Long(((RoomLocation)o).getRoomSize()));
098 if (cmp!=0) return cmp;
099 return getName().compareTo(((RoomLocation)o).getName());
100 }
101
102 public int hashCode() {
103 return getName().hashCode();
104 }
105 }