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

java.lang.Object
- org.cpsolver.ifs.model.Variable<V,T>
- - org.cpsolver.ifs.assignment.context.VariableWithContext<Lecture,Placement,Lecture.LectureContext>
  - - org.cpsolver.coursett.model.Lecture

All Implemented Interfaces:

Comparable<Lecture>, CanHoldContext, HasAssignmentContext<Lecture,Placement,Lecture.LectureContext>, ConstantVariable<Placement>
```
public class Lecture
extends VariableWithContext<Lecture,Placement,Lecture.LectureContext>
implements ConstantVariable<Placement>
```
Lecture (variable).

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

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

class Lecture.LectureContext

Nested Classes
Modifier and Type	Class and Description
`class`	`Lecture.LectureContext`

Field Summary

Fields
Modifier and Type Field and Description

boolean iCommitted

static boolean sSaveMemory
- Fields inherited from class org.cpsolver.ifs.model.Variable
  iId, iIndex, iValue
- Fields inherited from interface org.cpsolver.ifs.assignment.context.CanHoldContext
  sMaxSize

Fields
Modifier and Type	Field and Description
`boolean`	`iCommitted`
`static boolean`	`sSaveMemory`

Constructor Summary

Constructors
Constructor and Description
`Lecture(Long id, Long solverGroupId, Long schedulingSubpartId, String name, Collection<TimeLocation> timeLocations, Collection<RoomLocation> roomLocations, int nrRooms, Placement initialPlacement, int minClassLimit, int maxClassLimit, double room2limitRatio)` Constructor
`Lecture(Long id, Long solverGroupId, String name)`

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`Set<JenrlConstraint>`	`activeJenrls(Assignment<Lecture,Placement> assignment)` Active jenrl constraints (active mean that there is at least one student between its classes)
`void`	`addActiveJenrl(Assignment<Lecture,Placement> assignment, JenrlConstraint constr)` Add active jenrl constraint (active mean that there is at least one student between its classes)
`void`	`addContstraint(Constraint<Lecture,Placement> constraint)` Adds a constraint.
`void`	`addStudent(Assignment<Lecture,Placement> assignment, Student student)` Add an enrolled student
`boolean`	`allowBreakHard()`
`boolean`	`areStudentConflictsHard(Lecture other)`
`boolean`	`canShareRoom()`
`boolean`	`canShareRoom(Lecture other)`
`Set<GroupConstraint>`	`canShareRoomConstraints()`
`int`	`classLimit(Assignment<Lecture,Placement> assignment)`
`int`	`classLimit(Assignment<Lecture,Placement> assignment, Placement value, Set<Placement> conflicts)`
`void`	`clearIgnoreStudentConflictsWithCache()`
`void`	`clearValueCache()`
`int`	`compareTo(Lecture o)`
`List<Placement>`	`computeValues(Assignment<Lecture,Placement> assignment, boolean allowBreakHard)` Domain -- all combinations of room and time locations
`List<Lecture>`	`conflictLectures(Assignment<Lecture,Placement> assignment, Student student)` Lectures different from this one, where it is student conflict of the given student between this and the lecture
`Set<Student>`	`conflictStudents(Assignment<Lecture,Placement> assignment)` List of students of this class which are in conflict with any other assignment
`Set<Student>`	`conflictStudents(Assignment<Lecture,Placement> assignment, Placement value)` List of students of this class in conflict with the given assignment
`int`	`countCommittedStudentConflicts(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countCommittedStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countDistanceStudentConflicts(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countDistanceStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countHardStudentConflicts(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countHardStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment, Placement value)`
`int`	`countInitialStudentConflicts()` Number of student conflicts caused by the initial assignment of this lecture
`int`	`countStudentConflicts(Assignment<Lecture,Placement> assignment, Placement value)` Number of student conflicts caused by the given assignment of this lecture
`int`	`countStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment, Placement value)`
`Lecture.LectureContext`	`createAssignmentContext(Assignment<Lecture,Placement> assignment)` Create a new assignment context for the given assignment.
`boolean`	`equals(Object o)`
`int`	`getBestRoomPreference()` Best room preference of this lecture
`double`	`getBestTimePreference()`
`Lecture`	`getChild(Student student, Long subpartId)`
`Map<Long,List<Lecture>>`	`getChildren()`
`List<Lecture>`	`getChildren(Long subpartId)`
`Set<Long>`	`getChildrenSubpartIds()`
`Long`	`getClassId()` Class id
`ClassLimitConstraint`	`getClassLimitConstraint()`
`int`	`getCommitedConflicts(Placement placement)`
`Configuration`	`getConfiguration()`
`Placement`	`getConstantValue()` Return assignment if constant
`Long`	`getDepartment()` Controlling Course Offering Department
`DepartmentSpreadConstraint`	`getDeptSpreadConstraint()` Departmental spreading constraint
`Set<FlexibleConstraint>`	`getFlexibleGroupConstraints()`
`long`	`getId()` Class id
`Map<Lecture,Long>`	`getInitialStudentConflicts()` Table of student conflicts caused by the initial assignment of this lecture in format (another lecture, number)
`List<InstructorConstraint>`	`getInstructorConstraints()` Instructor constraint
`String`	`getInstructorName()`
`List<String>`	`getInstructorNames()` Instructor name
`int`	`getMaxRoomCombinations()`
`int[]`	`getMinMaxRoomPreference()`
`double[]`	`getMinMaxTimePreference()`
`int`	`getMinWeeks()`
`String`	`getName()` Class name
`String`	`getNote()`
`String`	`getNotValidReason(Assignment<Lecture,Placement> assignment, Placement placement)` Deprecated.
`String`	`getNotValidReason(Assignment<Lecture,Placement> assignment, Placement placement, boolean useAmPm)`
`int`	`getNrRooms()`
`int`	`getOrd()`
`Lecture`	`getParent()`
`Long`	`getScheduler()` Scheduler (Managing Department)
`Long`	`getSchedulingSubpartId()` Scheduling subpart id
`Long`	`getSolverGroupId()`
`Set<SpreadConstraint>`	`getSpreadConstraints()`
`int`	`getSpreadPenalty(Assignment<Lecture,Placement> assignment)`
`Set<Constraint<Lecture,Placement>>`	`getWeakeningConstraints()`
`double`	`getWeight()` Get class weight.
`Set<GroupConstraint>`	`groupConstraints()`
`Set<GroupConstraint>`	`hardGroupSoftConstraints()`
`boolean`	`hasAnyChildren()`
`boolean`	`hasChildren(Long subpartId)`
`int`	`hashCode()`
`boolean`	`hasParent()`
`boolean`	`hasStudent(Student student)` Returns true if the given student is enrolled
`Set<Student>`	`initialStudentConflicts()` List of student conflicts caused by the initial assignment of this lecture
`boolean`	`isCommitted()`
`boolean`	`isConstant()` True, if the variable is constant.
`int`	`isInConflict(Assignment<Lecture,Placement> assignment, Student student)` True if this lecture is in a student conflict with the given student
`boolean`	`isSingleSection()`
`boolean`	`isSingleton()`
`boolean`	`isSplitAttendance()` When using multiple rooms, split attendance means that the class is split among the given rooms.
`boolean`	`isToIgnoreStudentConflictsWith(Lecture other)` Returns true if there is `IgnoreStudentConflictsConstraint` between the two lectures.
`boolean`	`isValid(Placement placement)`
`JenrlConstraint`	`jenrlConstraint(Lecture another)` All JENRL constraints of this lecture
`List<JenrlConstraint>`	`jenrlConstraints()` All JENRL constraints of this lecture
`int`	`maxAchievableClassLimit()`
`int`	`maxClassLimit()`
`int`	`maxRoomSize()`
`int`	`maxRoomUse()`
`int`	`minClassLimit()`
`int`	`minRoomSize()`
`int`	`minRoomUse()`
`int`	`nrRoomLocations()`
`int`	`nrTimeLocations()`
`long`	`nrValues()`
`int`	`nrValues(List<RoomLocation> rooms)`
`int`	`nrValues(RoomLocation room)`
`int`	`nrValues(TimeLocation time)`
`double`	`nrWeightedStudents()` Total weight of all enrolled students
`void`	`purgeInvalidValues(boolean interactiveMode)`
`void`	`removeActiveJenrl(Assignment<Lecture,Placement> assignment, JenrlConstraint constr)` Remove active jenrl constraint (active mean that there is at least one student between its classes)
`void`	`removeContstraint(Constraint<Lecture,Placement> constraint)` Removes a constraint.
`void`	`removeStudent(Assignment<Lecture,Placement> assignment, Student student)` Remove an enrolled student
`List<RoomLocation>`	`roomLocations()` All room locations
`double`	`roomToLimitRatio()`
`Set<Student>`	`sameStudents(Lecture lecture)` List of students enrolled in this class as well as in the given class
`List<Lecture>`	`sameStudentsLectures()`
`List<Lecture>`	`sameSubpartLectures()` Set of lectures of the same class (only section is different)
`void`	`setCommitted(boolean committed)`
`void`	`setConfiguration(Configuration configuration)`
`void`	`setConstantValue(Placement value)`
`void`	`setDepartment(Long dept)` Controlling Course Offering Department
`void`	`setMaxRoomCombinations(int maxRoomCombinations)`
`void`	`setNote(String note)`
`void`	`setOrd(int ord)`
`void`	`setParent(Lecture parent)`
`void`	`setSameSubpartLectures(List<Lecture> sameSubpartLectures)` Set of lectures of the same class (only section is different)
`void`	`setScheduler(Long scheduler)` Scheduler (Managing Department)
`void`	`setSplitAttendance(boolean splitAttendance)` When using multiple rooms, split attendance means that the class is split among the given rooms.
`void`	`setWeight(double weight)` Set class weight.
`Set<Student>`	`students()` List of enrolled students
`List<TimeLocation>`	`timeLocations()` All time locations
`String`	`toString()`
`List<Placement>`	`values(Assignment<Lecture,Placement> assignment)` All values

Methods inherited from class org.cpsolver.ifs.assignment.context.VariableWithContext
getAssignmentContextReference, getContext, getContext, setAssignmentContextReference, setModel

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

- Field Detail
  - iCommitted
```
public boolean iCommitted
```
  - sSaveMemory
```
public static boolean sSaveMemory
```
- Constructor Detail
  - Lecture
```
public Lecture(Long id,
               Long solverGroupId,
               Long schedulingSubpartId,
               String name,
               Collection<TimeLocation> timeLocations,
               Collection<RoomLocation> roomLocations,
               int nrRooms,
               Placement initialPlacement,
               int minClassLimit,
               int maxClassLimit,
               double room2limitRatio)
```
    Constructor
    
    Parameters:
    
    id - class unique id
    
    solverGroupId - solver group unique id
    
    schedulingSubpartId - scheduling subpart unique id
    
    name - class name
    
    timeLocations - set of time locations
    
    roomLocations - set of room location
    
    nrRooms - number of rooms into which the class is to be assigned
    
    initialPlacement - initial placement
    
    minClassLimit - minimum class limit
    
    maxClassLimit - maximum class limit
    
    room2limitRatio - room ratio
  - Lecture
```
public Lecture(Long id,
               Long solverGroupId,
               String name)
```
- Method Detail
  - getSolverGroupId
```
public Long getSolverGroupId()
```
  - addActiveJenrl
```
public void addActiveJenrl(Assignment<Lecture,Placement> assignment,
                           JenrlConstraint constr)
```
    Add active jenrl constraint (active mean that there is at least one student between its classes)
    
    Parameters:
    
    assignment - current assignment
    
    constr - an active jenrl constraint
  - activeJenrls
```
public Set<JenrlConstraint> activeJenrls(Assignment<Lecture,Placement> assignment)
```
    Active jenrl constraints (active mean that there is at least one student between its classes)
    
    Parameters:
    
    assignment - current assignment
    
    Returns:
    
    set of active jenrl constraints
  - removeActiveJenrl
```
public void removeActiveJenrl(Assignment<Lecture,Placement> assignment,
                              JenrlConstraint constr)
```
    Remove active jenrl constraint (active mean that there is at least one student between its classes)
    
    Parameters:
    
    assignment - current assignment
    
    constr - an active jenrl constraint
  - getClassId
```
public Long getClassId()
```
    Class id
    
    Returns:
    
    class unique id
  - getSchedulingSubpartId
```
public Long getSchedulingSubpartId()
```
    Scheduling subpart id
    
    Returns:
    
    scheduling subpart unique id
  - getName
```
public String getName()
```
    Class name
    
    Overrides:
    
    getName in class Variable<Lecture,Placement>
    
    Returns:
    
    variable name
  - getId
```
public long getId()
```
    Class id
    
    Overrides:
    
    getId in class Variable<Lecture,Placement>
    
    Returns:
    
    variable id
  - getInstructorNames
```
public List<String> getInstructorNames()
```
    Instructor name
    
    Returns:
    
    list of instructor names
  - getInstructorName
```
public String getInstructorName()
```
  - students
```
public Set<Student> students()
```
    List of enrolled students
    
    Returns:
    
    list of enrolled students
  - nrWeightedStudents
```
public double nrWeightedStudents()
```
    Total weight of all enrolled students
    
    Returns:
    
    sum of Student.getOfferingWeight(Configuration) of each enrolled student
  - addStudent
```
public void addStudent(Assignment<Lecture,Placement> assignment,
                       Student student)
```
    Add an enrolled student
    
    Parameters:
    
    assignment - current assignment
    
    student - a student to add
  - removeStudent
```
public void removeStudent(Assignment<Lecture,Placement> assignment,
                          Student student)
```
    Remove an enrolled student
    
    Parameters:
    
    assignment - current assignment
    
    student - a student to remove
  - hasStudent
```
public boolean hasStudent(Student student)
```
    Returns true if the given student is enrolled
    
    Parameters:
    
    student - a student
    
    Returns:
    
    true if the given student is enrolled in this class
  - setSameSubpartLectures
```
public void setSameSubpartLectures(List<Lecture> sameSubpartLectures)
```
    Set of lectures of the same class (only section is different)
    
    Parameters:
    
    sameSubpartLectures - list of lectures of the same scheduling subpart
  - sameSubpartLectures
```
public List<Lecture> sameSubpartLectures()
```
    Set of lectures of the same class (only section is different)
    
    Returns:
    
    list of lectures of the same scheduling subpart
  - sameStudents
```
public Set<Student> sameStudents(Lecture lecture)
```
    List of students enrolled in this class as well as in the given class
    
    Parameters:
    
    lecture - a lecture
    
    Returns:
    
    a set of students that are enrolled in both lectures
  - conflictStudents
```
public Set<Student> conflictStudents(Assignment<Lecture,Placement> assignment,
                                     Placement value)
```
    List of students of this class in conflict with the given assignment
    
    Parameters:
    
    assignment - current assignment
    
    value - given placement
    
    Returns:
    
    list of student conflicts
  - conflictStudents
```
public Set<Student> conflictStudents(Assignment<Lecture,Placement> assignment)
```
    List of students of this class which are in conflict with any other assignment
    
    Parameters:
    
    assignment - current assignment
    
    Returns:
    
    list of student conflicts
  - conflictLectures
```
public List<Lecture> conflictLectures(Assignment<Lecture,Placement> assignment,
                                      Student student)
```
    Lectures different from this one, where it is student conflict of the given student between this and the lecture
    
    Parameters:
    
    assignment - current assignment
    
    student - a student
    
    Returns:
    
    list of lectures with a student conflict
  - isInConflict
```
public int isInConflict(Assignment<Lecture,Placement> assignment,
                        Student student)
```
    True if this lecture is in a student conflict with the given student
    
    Parameters:
    
    assignment - current assignment
    
    student - a student
    
    Returns:
    
    number of other lectures with a student conflict
  - computeValues
```
public List<Placement> computeValues(Assignment<Lecture,Placement> assignment,
                                     boolean allowBreakHard)
```
    Domain -- all combinations of room and time locations
    
    Parameters:
    
    assignment - current assignment
    
    allowBreakHard - breaking of hard constraints is allowed
    
    Returns:
    
    list of possible placements
  - clearValueCache
```
public void clearValueCache()
```
  - values
```
public List<Placement> values(Assignment<Lecture,Placement> assignment)
```
    All values
    
    Overrides:
    
    values in class Variable<Lecture,Placement>
    
    Parameters:
    
    assignment - current assignment (if the domain is dependent on the current assignment)
    
    Returns:
    
    all possible values of this variable
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Variable<Lecture,Placement>
  - getBestTimePreference
```
public double getBestTimePreference()
```
  - getBestRoomPreference
```
public int getBestRoomPreference()
```
    Best room preference of this lecture
    
    Returns:
    
    best room preference
  - countStudentConflicts
```
public int countStudentConflicts(Assignment<Lecture,Placement> assignment,
                                 Placement value)
```
    Number of student conflicts caused by the given assignment of this lecture
    
    Parameters:
    
    assignment - current assignment
    
    value - a placement
    
    Returns:
    
    number of student conflicts if assigned
  - countStudentConflictsOfTheSameProblem
```
public int countStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment,
                                                 Placement value)
```
  - countHardStudentConflicts
```
public int countHardStudentConflicts(Assignment<Lecture,Placement> assignment,
                                     Placement value)
```
  - countCommittedStudentConflictsOfTheSameProblem
```
public int countCommittedStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment,
                                                          Placement value)
```
  - countCommittedStudentConflicts
```
public int countCommittedStudentConflicts(Assignment<Lecture,Placement> assignment,
                                          Placement value)
```
  - countHardStudentConflictsOfTheSameProblem
```
public int countHardStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment,
                                                     Placement value)
```
  - countDistanceStudentConflicts
```
public int countDistanceStudentConflicts(Assignment<Lecture,Placement> assignment,
                                         Placement value)
```
  - countDistanceStudentConflictsOfTheSameProblem
```
public int countDistanceStudentConflictsOfTheSameProblem(Assignment<Lecture,Placement> assignment,
                                                         Placement value)
```
  - countInitialStudentConflicts
```
public int countInitialStudentConflicts()
```
    Number of student conflicts caused by the initial assignment of this lecture
    
    Returns:
    
    number of student conflicts with the initial assignment of this class
  - getInitialStudentConflicts
```
public Map<Lecture,Long> getInitialStudentConflicts()
```
    Table of student conflicts caused by the initial assignment of this lecture in format (another lecture, number)
    
    Returns:
    
    table of student conflicts with the initial assignment of this class
  - initialStudentConflicts
```
public Set<Student> initialStudentConflicts()
```
    List of student conflicts caused by the initial assignment of this lecture
    
    Returns:
    
    a set of students in a conflict with the initial assignment of this class
  - addContstraint
```
public void addContstraint(Constraint<Lecture,Placement> constraint)
```
    Description copied from class: Variable
    
    Adds a constraint. Called automatically when the constraint is added to the model, i.e., Model.addConstraint(Constraint) is called.
    
    Overrides:
    
    addContstraint in class Variable<Lecture,Placement>
    
    Parameters:
    
    constraint - added constraint
  - removeContstraint
```
public void removeContstraint(Constraint<Lecture,Placement> constraint)
```
    Description copied from class: Variable
    
    Removes a constraint. Called automatically when the constraint is removed from the model, i.e., Model.removeConstraint(Constraint) is called.
    
    Overrides:
    
    removeContstraint in class Variable<Lecture,Placement>
    
    Parameters:
    
    constraint - added constraint
  - jenrlConstraint
```
public JenrlConstraint jenrlConstraint(Lecture another)
```
    All JENRL constraints of this lecture
    
    Parameters:
    
    another - another class
    
    Returns:
    
    a join enrollment constraint between this and the given class, if there is one
  - jenrlConstraints
```
public List<JenrlConstraint> jenrlConstraints()
```
    All JENRL constraints of this lecture
    
    Returns:
    
    list of all join enrollment constraints in which this lecture is involved
  - minClassLimit
```
public int minClassLimit()
```
  - maxClassLimit
```
public int maxClassLimit()
```
  - maxAchievableClassLimit
```
public int maxAchievableClassLimit()
```
  - classLimit
```
public int classLimit(Assignment<Lecture,Placement> assignment)
```
  - classLimit
```
public int classLimit(Assignment<Lecture,Placement> assignment,
                      Placement value,
                      Set<Placement> conflicts)
```
  - roomToLimitRatio
```
public double roomToLimitRatio()
```
  - minRoomUse
```
public int minRoomUse()
```
  - maxRoomUse
```
public int maxRoomUse()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Variable<Lecture,Placement>
  - getDepartment
```
public Long getDepartment()
```
    Controlling Course Offering Department
    
    Returns:
    
    department unique id
  - setDepartment
```
public void setDepartment(Long dept)
```
    Controlling Course Offering Department
    
    Parameters:
    
    dept - department unique id
  - getScheduler
```
public Long getScheduler()
```
    Scheduler (Managing Department)
    
    Returns:
    
    solver group unique id
  - setScheduler
```
public void setScheduler(Long scheduler)
```
    Scheduler (Managing Department)
    
    Parameters:
    
    scheduler - solver group unique id
  - getDeptSpreadConstraint
```
public DepartmentSpreadConstraint getDeptSpreadConstraint()
```
    Departmental spreading constraint
    
    Returns:
    
    department spread constraint of this class, if any
  - getInstructorConstraints
```
public List<InstructorConstraint> getInstructorConstraints()
```
    Instructor constraint
    
    Returns:
    
    instructors of this class
  - getClassLimitConstraint
```
public ClassLimitConstraint getClassLimitConstraint()
```
  - getSpreadConstraints
```
public Set<SpreadConstraint> getSpreadConstraints()
```
  - getFlexibleGroupConstraints
```
public Set<FlexibleConstraint> getFlexibleGroupConstraints()
```
  - getWeakeningConstraints
```
public Set<Constraint<Lecture,Placement>> getWeakeningConstraints()
```
  - roomLocations
```
public List<RoomLocation> roomLocations()
```
    All room locations
    
    Returns:
    
    possible rooms of this class
  - timeLocations
```
public List<TimeLocation> timeLocations()
```
    All time locations
    
    Returns:
    
    possible times of this class
  - nrTimeLocations
```
public int nrTimeLocations()
```
  - nrRoomLocations
```
public int nrRoomLocations()
```
  - nrValues
```
public long nrValues()
```
  - nrValues
```
public int nrValues(TimeLocation time)
```
  - nrValues
```
public int nrValues(RoomLocation room)
```
  - nrValues
```
public int nrValues(List<RoomLocation> rooms)
```
  - allowBreakHard
```
public boolean allowBreakHard()
```
  - getNrRooms
```
public int getNrRooms()
```
  - getParent
```
public Lecture getParent()
```
  - setParent
```
public void setParent(Lecture parent)
```
  - hasParent
```
public boolean hasParent()
```
  - hasChildren
```
public boolean hasChildren(Long subpartId)
```
  - hasAnyChildren
```
public boolean hasAnyChildren()
```
  - getChildren
```
public List<Lecture> getChildren(Long subpartId)
```
  - getChildrenSubpartIds
```
public Set<Long> getChildrenSubpartIds()
```
  - getChildren
```
public Map<Long,List<Lecture>> getChildren()
```
  - isSingleSection
```
public boolean isSingleSection()
```
  - sameStudentsLectures
```
public List<Lecture> sameStudentsLectures()
```
  - getChild
```
public Lecture getChild(Student student,
                        Long subpartId)
```
  - getCommitedConflicts
```
public int getCommitedConflicts(Placement placement)
```
  - hardGroupSoftConstraints
```
public Set<GroupConstraint> hardGroupSoftConstraints()
```
  - groupConstraints
```
public Set<GroupConstraint> groupConstraints()
```
  - minRoomSize
```
public int minRoomSize()
```
  - maxRoomSize
```
public int maxRoomSize()
```
  - canShareRoom
```
public boolean canShareRoom()
```
  - canShareRoom
```
public boolean canShareRoom(Lecture other)
```
  - canShareRoomConstraints
```
public Set<GroupConstraint> canShareRoomConstraints()
```
  - isSingleton
```
public boolean isSingleton()
```
  - isValid
```
public boolean isValid(Placement placement)
```
  - getNotValidReason
```
public String getNotValidReason(Assignment<Lecture,Placement> assignment,
                                Placement placement,
                                boolean useAmPm)
```
  - getNotValidReason
```
@Deprecated
public String getNotValidReason(Assignment<Lecture,Placement> assignment,
                                            Placement placement)
```
    Deprecated.
  - purgeInvalidValues
```
public void purgeInvalidValues(boolean interactiveMode)
```
  - setCommitted
```
public void setCommitted(boolean committed)
```
  - isCommitted
```
public boolean isCommitted()
```
  - isConstant
```
public boolean isConstant()
```
    Description copied from interface: ConstantVariable
    
    True, if the variable is constant.
    
    Specified by:
    
    isConstant in interface ConstantVariable<Placement>
    
    Returns:
    
    true if constant
  - getConstantValue
```
public Placement getConstantValue()
```
    Description copied from interface: ConstantVariable
    
    Return assignment if constant
    
    Specified by:
    
    getConstantValue in interface ConstantVariable<Placement>
    
    Returns:
    
    constant value (if ConstantVariable.isConstant() is true)
  - setConstantValue
```
public void setConstantValue(Placement value)
```
  - getSpreadPenalty
```
public int getSpreadPenalty(Assignment<Lecture,Placement> assignment)
```
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Variable<Lecture,Placement>
  - getConfiguration
```
public Configuration getConfiguration()
```
  - setConfiguration
```
public void setConfiguration(Configuration configuration)
```
  - getMinMaxRoomPreference
```
public int[] getMinMaxRoomPreference()
```
  - getMinMaxTimePreference
```
public double[] getMinMaxTimePreference()
```
  - setOrd
```
public void setOrd(int ord)
```
  - getOrd
```
public int getOrd()
```
  - compareTo
```
public int compareTo(Lecture o)
```
    Specified by:
    
    compareTo in interface Comparable<Lecture>
    
    Overrides:
    
    compareTo in class Variable<Lecture,Placement>
  - getNote
```
public String getNote()
```
  - setNote
```
public void setNote(String note)
```
  - areStudentConflictsHard
```
public boolean areStudentConflictsHard(Lecture other)
```
  - clearIgnoreStudentConflictsWithCache
```
public void clearIgnoreStudentConflictsWithCache()
```
  - isToIgnoreStudentConflictsWith
```
public boolean isToIgnoreStudentConflictsWith(Lecture other)
```
    Returns true if there is IgnoreStudentConflictsConstraint between the two lectures.
    
    Parameters:
    
    other - another class
    
    Returns:
    
    true if student conflicts between this and the given calls are to be ignored
  - getWeight
```
public double getWeight()
```
    Get class weight. This weight is used with the criteria. E.g., class that is not meeting all the semester can have a lower weight. Defaults to 1.0
    
    Returns:
    
    class weight
  - setWeight
```
public void setWeight(double weight)
```
    Set class weight. This weight is used with the criteria. E.g., class that is not meeting all the semester can have a lower weight.
    
    Parameters:
    
    weight - class weight
  - createAssignmentContext
```
public Lecture.LectureContext createAssignmentContext(Assignment<Lecture,Placement> assignment)
```
    Description copied from interface: HasAssignmentContext
    
    Create a new assignment context for the given assignment. If there are already some variables assigned in the value, the method should make sure that the context is appropriately initialized.
    
    Specified by:
    
    createAssignmentContext in interface HasAssignmentContext<Lecture,Placement,Lecture.LectureContext>
    
    Parameters:
    
    assignment - an assignment for which there needs to be an assignment context
    
    Returns:
    
    a new instance of the assignment context, filled according to the given assignment
  - getMaxRoomCombinations
```
public int getMaxRoomCombinations()
```
  - setMaxRoomCombinations
```
public void setMaxRoomCombinations(int maxRoomCombinations)
```
  - getMinWeeks
```
public int getMinWeeks()
```
  - isSplitAttendance
```
public boolean isSplitAttendance()
```
    When using multiple rooms, split attendance means that the class is split among the given rooms.
    
    Returns:
    
    true means class is split among rooms, false means each room must be big enough for the class
  - setSplitAttendance
```
public void setSplitAttendance(boolean splitAttendance)
```
    When using multiple rooms, split attendance means that the class is split among the given rooms.
    
    Parameters:
    
    splitAttendance - true means class is split among rooms, false means each room must be big enough for the class

Class Lecture

Nested Class Summary

Field Summary

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

Fields inherited from interface org.cpsolver.ifs.assignment.context.CanHoldContext

Constructor Summary

Method Summary

Methods inherited from class org.cpsolver.ifs.assignment.context.VariableWithContext

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

Methods inherited from class java.lang.Object

Field Detail

iCommitted

sSaveMemory

Constructor Detail

Lecture

Lecture

Method Detail

getSolverGroupId

addActiveJenrl

activeJenrls

removeActiveJenrl

getClassId

getSchedulingSubpartId

getName

getId

getInstructorNames

getInstructorName

students

nrWeightedStudents

addStudent

removeStudent

hasStudent

setSameSubpartLectures

sameSubpartLectures

sameStudents

conflictStudents

conflictStudents

conflictLectures

isInConflict

computeValues

clearValueCache

values

equals

getBestTimePreference

getBestRoomPreference

countStudentConflicts

countStudentConflictsOfTheSameProblem

countHardStudentConflicts

countCommittedStudentConflictsOfTheSameProblem

countCommittedStudentConflicts

countHardStudentConflictsOfTheSameProblem

countDistanceStudentConflicts

countDistanceStudentConflictsOfTheSameProblem

countInitialStudentConflicts

getInitialStudentConflicts

initialStudentConflicts

addContstraint

removeContstraint

jenrlConstraint

jenrlConstraints

minClassLimit

maxClassLimit

maxAchievableClassLimit

classLimit

classLimit

roomToLimitRatio

minRoomUse

maxRoomUse

toString

getDepartment

setDepartment

getScheduler

setScheduler

getDeptSpreadConstraint

getInstructorConstraints

getClassLimitConstraint

getSpreadConstraints

getFlexibleGroupConstraints

getWeakeningConstraints

roomLocations