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java.lang.Objectnet.sf.cpsolver.ifs.model.Constraint<Exam,ExamPlacement>
net.sf.cpsolver.exam.model.ExamStudent
public class ExamStudent
A student.
Field Summary |
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Fields inherited from class net.sf.cpsolver.ifs.model.Constraint |
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iAssignedVariables, iConstraintListeners, iId |
Constructor Summary | |
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ExamStudent(ExamModel model,
long id)
Constructor |
Method Summary | |
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void |
afterAssigned(long iteration,
ExamPlacement value)
An exam was assigned, update student assignment table |
void |
afterUnassigned(long iteration,
ExamPlacement value)
An exam was unassigned, update student assignment table |
boolean |
canConflict(Exam ex1,
Exam ex2)
True if the given two exams can have a direct student conflict with this student, i.e., they can be placed at the same period. |
int |
compareTo(Constraint<Exam,ExamPlacement> o)
Compare two students (by student ids) |
void |
computeConflicts(ExamPlacement p,
Set<ExamPlacement> conflicts)
Compute conflicts between the given assignment of an exam and all the current assignments (of this student). |
boolean |
equals(Object o)
Compare two student for equality |
Set<Exam> |
getExams(ExamPeriod period)
Exam(s) enrolled by the student that are scheduled in the given period |
Set<Exam> |
getExamsADay(ExamPeriod period)
Exam(s) enrolled by the student that are scheduled in the given day |
Set<Exam> |
getExamsADay(int day)
Exam(s) enrolled by the student that are scheduled in the given day |
List<ExamOwner> |
getOwners()
Courses and/or sections that this student is enrolled to |
int |
hashCode()
Hash code |
boolean |
inConflict(ExamPlacement p)
Check whether there is a conflict between the given assignment of an exam and all the current assignments (of this student). |
boolean |
isAllowDirectConflicts()
True if direct student conflicts are allowed for this student |
boolean |
isAvailable(ExamPeriod period)
True if the student is available (for examination timetabling) during the given period |
boolean |
isConsistent(ExamPlacement p1,
ExamPlacement p2)
True if the given exams can conflict (see canConflict(Exam, Exam) ), or if they are placed at
different periods. |
boolean |
isHard()
Constraint is hard if isAllowDirectConflicts() is
false. |
void |
setAllowDirectConflicts(boolean allowDirectConflicts)
Set whether direct student conflicts are allowed for this student |
void |
setAvailable(int period,
boolean available)
Set whether the student is available (for examination timetabling) during the given period |
String |
toString()
Student unique id |
Methods inherited from class net.sf.cpsolver.ifs.model.Constraint |
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addConstraintListener, addVariable, assigned, assignedVariables, constraintListeners, countAssignedVariables, countVariables, getDescription, getId, getModel, getName, removeConstraintListener, removeVariable, setModel, unassigned, variables |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ExamStudent(ExamModel model, long id)
model
- examination timetabling modelid
- student unique idMethod Detail |
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public boolean isAllowDirectConflicts()
public void setAllowDirectConflicts(boolean allowDirectConflicts)
public boolean canConflict(Exam ex1, Exam ex2)
ex1
- an examex2
- an exam
isAllowDirectConflicts()
and
Exam.isAllowDirectConflicts()
for both examspublic Set<Exam> getExams(ExamPeriod period)
public Set<Exam> getExamsADay(ExamPeriod period)
public Set<Exam> getExamsADay(int day)
public void computeConflicts(ExamPlacement p, Set<ExamPlacement> conflicts)
canConflict(Exam, Exam)
are considered.
computeConflicts
in class Constraint<Exam,ExamPlacement>
p
- value to be assigned to its varaibleconflicts
- resultant set of conflicting valuespublic boolean inConflict(ExamPlacement p)
canConflict(Exam, Exam)
are
considered.
inConflict
in class Constraint<Exam,ExamPlacement>
public boolean isConsistent(ExamPlacement p1, ExamPlacement p2)
canConflict(Exam, Exam)
), or if they are placed at
different periods.
isConsistent
in class Constraint<Exam,ExamPlacement>
public void afterAssigned(long iteration, ExamPlacement value)
public void afterUnassigned(long iteration, ExamPlacement value)
public boolean equals(Object o)
equals
in class Constraint<Exam,ExamPlacement>
public int hashCode()
hashCode
in class Constraint<Exam,ExamPlacement>
public String toString()
toString
in class Object
public int compareTo(Constraint<Exam,ExamPlacement> o)
compareTo
in interface Comparable<Constraint<Exam,ExamPlacement>>
compareTo
in class Constraint<Exam,ExamPlacement>
public boolean isHard()
isAllowDirectConflicts()
is
false.
isHard
in class Constraint<Exam,ExamPlacement>
public List<ExamOwner> getOwners()
ExamOwner
public boolean isAvailable(ExamPeriod period)
period
- a period
public void setAvailable(int period, boolean available)
period
- a periodavailable
- true if a student can attend an exam at the given period,
false if otherwise
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