# Package org.cpsolver.coursett.criteria.placement

University Course Timetabling: Placement Selection Criteria.

See: Description

- Class Summary
  Class | Description
  --- | ---
  AssignmentCount | Deprecated
  DeltaTimePreference | Difference between proposed and best time assignment.
  HardConflicts | Number of values (of other variables) that have to be unassigned in order before this value can be assigned.
  PlacementSelectionCriterion | Abstract class for all criteria that are to be used only in the placement selection (do not have any impact on the overall solution value).
  PotentialHardConflicts | Use conflict-based statistics to compute potential hard conflicts.
  WeightedHardConflicts | Hard conflicts weighted by the conflict-based statistics (past occurrences).

## Package org.cpsolver.coursett.criteria.placement Description

University Course Timetabling: Placement Selection Criteria.
This packages contains criteria that are only used in the placement selection heuristics. These are criteria that ha no impact on the overall solution value. Such criterion is for instance the number of hard conflict (values that have to be unassigned before a selected value can be assigned for the problem to remain consistent).