org.optaplanner.core.impl.domain.variable.supply
Interface Demand<S extends Supply>

Type Parameters:

S -

All Superinterfaces:

Serializable

All Known Implementing Classes:

AnchorVariableDemand, CustomShadowVariableDemand, SingletonInverseVariableDemand

public interface Demand<S extends Supply>
extends Serializable

A subsystem submits a demand for a Supply. Implementations must overwrite #equals(Object) and #hashCode().

See Also:

Supply, SupplyManager

Method Summary

S	createExternalizedSupply(InnerScoreDirector scoreDirector) Only called if the domain model doesn't already support the demand (through a shadow variable usually).

Method Detail

createExternalizedSupply

S createExternalizedSupply(InnerScoreDirector scoreDirector)

Only called if the domain model doesn't already support the demand (through a shadow variable usually). Equal demands share the same Supply.

Parameters:

scoreDirector - never null

Returns:

never null