Placement (Constraint Solver API Documentation -- CPSolver v1.4 build 75)

java.lang.Object
- org.cpsolver.ifs.model.Value<Lecture,Placement>
- - org.cpsolver.coursett.model.Placement

All Implemented Interfaces:

Comparable<Placement>, AssignmentComparable<Placement,Lecture,Placement>
```
public class Placement
extends Value<Lecture,Placement>
```
Placement (value).

It combines room and time location

Version:

CourseTT 1.3 (University Course Timetabling)
Copyright (C) 2006 - 2014 Tomáš Müller
muller@unitime.org
http://muller.unitime.org

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This library 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not see http://www.gnu.org/licenses/.

Author:

Tomáš Müller

Field Summary
- Fields inherited from class org.cpsolver.ifs.model.Value
  iValue

Constructor Summary

Constructors
Constructor and Description
`Placement(Lecture lecture, TimeLocation timeLocation, List<RoomLocation> roomLocations)`
`Placement(Lecture lecture, TimeLocation timeLocation, RoomLocation roomLocation)` Constructor

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`boolean`	`canShareRooms(Placement other)`
`boolean`	`equals(Object object)` By default, comparison is made on unique ids
`Object`	`getAssignment()`
`Long`	`getAssignmentId()`
`List<Long>`	`getBuildingIds()`
`int`	`getCommitedConflicts()`
`static double`	`getDistanceInMeters(DistanceMetric m, Placement p1, Placement p2)` Distance between two placements
`static int`	`getDistanceInMinutes(DistanceMetric m, Placement p1, Placement p2)` Distance between two placements
`String`	`getLongName()` Deprecated.
`String`	`getLongName(boolean useAmPm)`
`int`	`getMaxSpreadPenalty(Assignment<Lecture,Placement> assignment)`
`String`	`getName()` Values name -- for printing purposes (E.g., Monday 7:30)
`String`	`getName(boolean useAmPm)`
`String`	`getNotValidReason(Assignment<Lecture,Placement> assignment)` Deprecated.
`String`	`getNotValidReason(Assignment<Lecture,Placement> assignment, boolean useAmPm)`
`int`	`getNrRooms()`
`List<Long>`	`getRoomIds()`
`RoomLocation`	`getRoomLocation()` Room location
`RoomLocation`	`getRoomLocation(Long roomId)`
`int`	`getRoomLocationIndex(Long roomId)`
`List<RoomLocation>`	`getRoomLocations()` Room locations (multi-room placement)
`String`	`getRoomName(String delim)`
`List<String>`	`getRoomNames()`
`int`	`getRoomPenalty()`
`int`	`getRoomPreference()`
`List<Integer>`	`getRoomPrefs()`
`int`	`getRoomSize()`
`int`	`getSpreadPenalty(Assignment<Lecture,Placement> assignment)`
`TimeLocation`	`getTimeLocation()` Time location
`double`	`getTimePenalty()`
`int`	`hashCode()`
`boolean`	`hasRoomLocation(Long roomId)`
`boolean`	`isHard(Assignment<Lecture,Placement> assignment)`
`boolean`	`isMultiRoom()`
`boolean`	`isRoomProhibited()`
`boolean`	`isValid()`
`int`	`nrDifferentBuildings(Placement placement)`
`int`	`nrDifferentRooms(Placement placement)`
`boolean`	`sameRooms(Placement placement)`
`boolean`	`sameTime(Placement placement)`
`void`	`setAssignment(Object assignment)`
`void`	`setAssignmentId(Long assignmentId)`
`boolean`	`shareRooms(Placement placement)`
`int`	`sumRoomPreference()`
`double`	`toDouble(Assignment<Lecture,Placement> assignment)` Double representation.
`String`	`toString()`

Methods inherited from class org.cpsolver.ifs.model.Value
compareTo, compareTo, conflicts, conflicts, getDescription, getExtra, getId, isConsistent, setExtra, setVariable, toDouble, valueEquals, valueEquals, variable

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Placement

public Placement(Lecture lecture,
                 TimeLocation timeLocation,
                 RoomLocation roomLocation)

Constructor

Parameters:: lecture - lecture; timeLocation - time location; roomLocation - room location

Placement

public Placement(Lecture lecture,
                 TimeLocation timeLocation,
                 List<RoomLocation> roomLocations)

Method Detail

getTimeLocation
```
public TimeLocation getTimeLocation()
```
Time location

Returns:

time of this placement

getRoomLocation
```
public RoomLocation getRoomLocation()
```
Room location

Returns:

room of this placement

getRoomLocations
```
public List<RoomLocation> getRoomLocations()
```
Room locations (multi-room placement)

Returns:

rooms of this placement (if there are more than one)

getBuildingIds
```
public List<Long> getBuildingIds()
```

getRoomIds
```
public List<Long> getRoomIds()
```

getRoomNames
```
public List<String> getRoomNames()
```

getRoomPrefs
```
public List<Integer> getRoomPrefs()
```

isMultiRoom
```
public boolean isMultiRoom()
```

getRoomLocation

public RoomLocation getRoomLocation(Long roomId)

getRoomLocationIndex

public int getRoomLocationIndex(Long roomId)

hasRoomLocation

public boolean hasRoomLocation(Long roomId)

getRoomName

public String getRoomName(String delim)

getName
```
public String getName()
```
Description copied from class: Value

Values name -- for printing purposes (E.g., Monday 7:30)

Overrides:

getName in class Value<Lecture,Placement>

Returns:

value name

getName

public String getName(boolean useAmPm)

getLongName

public String getLongName(boolean useAmPm)

getLongName

@Deprecated
public String getLongName()

Deprecated.

sameRooms

public boolean sameRooms(Placement placement)

shareRooms

public boolean shareRooms(Placement placement)

nrDifferentRooms

public int nrDifferentRooms(Placement placement)

nrDifferentBuildings

public int nrDifferentBuildings(Placement placement)

sumRoomPreference
```
public int sumRoomPreference()
```

getRoomPreference
```
public int getRoomPreference()
```

getRoomSize
```
public int getRoomSize()
```

isHard

public boolean isHard(Assignment<Lecture,Placement> assignment)

isRoomProhibited
```
public boolean isRoomProhibited()
```

sameTime

public boolean sameTime(Placement placement)

equals
```
public boolean equals(Object object)
```
Description copied from class: Value

By default, comparison is made on unique ids

Overrides:

equals in class Value<Lecture,Placement>

hashCode
```
public int hashCode()
```
Overrides:

hashCode in class Value<Lecture,Placement>

toString
```
public String toString()
```
Overrides:

toString in class Value<Lecture,Placement>

getDistanceInMeters

public static double getDistanceInMeters(DistanceMetric m,
                                         Placement p1,
                                         Placement p2)

Distance between two placements

Parameters:: m - distance matrix; p1 - first placement; p2 - second placement
Returns:: maximal distance in meters between the two placement

getDistanceInMinutes

public static int getDistanceInMinutes(DistanceMetric m,
                                       Placement p1,
                                       Placement p2)

Distance between two placements

Parameters:: m - distance matrix; p1 - first placement; p2 - second placement
Returns:: maximal distance in minutes between the two placement

getCommitedConflicts
```
public int getCommitedConflicts()
```

getAssignmentId
```
public Long getAssignmentId()
```

setAssignmentId

public void setAssignmentId(Long assignmentId)

canShareRooms

public boolean canShareRooms(Placement other)

isValid
```
public boolean isValid()
```

getNotValidReason

public String getNotValidReason(Assignment<Lecture,Placement> assignment,
                                boolean useAmPm)

getNotValidReason

@Deprecated
public String getNotValidReason(Assignment<Lecture,Placement> assignment)

Deprecated.

getNrRooms
```
public int getNrRooms()
```

getSpreadPenalty

public int getSpreadPenalty(Assignment<Lecture,Placement> assignment)

getMaxSpreadPenalty

public int getMaxSpreadPenalty(Assignment<Lecture,Placement> assignment)

toDouble
```
public double toDouble(Assignment<Lecture,Placement> assignment)
```
Description copied from class: Value

Double representation. This allows us to have generic optimization criteria. The task is than to minimize total value of assigned variables of a solution.

Overrides:

toDouble in class Value<Lecture,Placement>

Parameters:

assignment - current assignment

Returns:

this value's contribution to the solution value

getAssignment
```
public Object getAssignment()
```

setAssignment

public void setAssignment(Object assignment)

getTimePenalty
```
public double getTimePenalty()
```

getRoomPenalty
```
public int getRoomPenalty()
```

Class Placement

Field Summary

Fields inherited from class org.cpsolver.ifs.model.Value

Constructor Summary

Method Summary

Methods inherited from class org.cpsolver.ifs.model.Value

Methods inherited from class java.lang.Object

Constructor Detail

Placement

Placement

Method Detail

getTimeLocation

getRoomLocation

getRoomLocations

getBuildingIds

getRoomIds

getRoomNames

getRoomPrefs

isMultiRoom

getRoomLocation

getRoomLocationIndex

hasRoomLocation

getRoomName

getName

getName

getLongName

getLongName

sameRooms

shareRooms

nrDifferentRooms

nrDifferentBuildings

sumRoomPreference

getRoomPreference

getRoomSize

isHard

isRoomProhibited

sameTime

equals

hashCode

toString

getDistanceInMeters

getDistanceInMinutes

getCommitedConflicts

getAssignmentId

setAssignmentId

canShareRooms

isValid

getNotValidReason

getNotValidReason

getNrRooms

getSpreadPenalty

getMaxSpreadPenalty

toDouble

getAssignment

setAssignment

getTimePenalty

getRoomPenalty