Package ai.timefold.solver.core.impl.heuristic.selector.list

Interface ElementLocation

All Known Implementing Classes:

LocationInList, UnassignedLocation

public sealed interface ElementLocation
permits LocationInList, UnassignedLocation

A supertype for LocationInList and UnassignedLocation.

PlanningListVariable.allowsUnassignedValues() introduces UnassignedLocation, and the handling of unassigned values is brittle. These values may leak into code which expects LocationInList instead. Therefore, we use ElementLocation and we force calling code to cast to either of the two subtypes. This prevents accidental use of UnassignedLocation in places where LocationInList is expected, catching this error as early as possible.

Method Summary

Static Methods

Modifier and Type	Method	Description
static LocationInList	of(Object entity, int index)
static UnassignedLocation	unassigned()

Method Details

of

static LocationInList of(Object entity,
 int index)

unassigned

static UnassignedLocation unassigned()