Package org.optaplanner.core.impl.domain.variable.supply

Interface Demand<Solution_,Supply_ extends Supply>

Type Parameters:

Supply_ - Subclass of Supply

All Known Implementing Classes:

AnchorVariableDemand, CollectionInverseVariableDemand, CustomShadowVariableDemand, SingletonInverseVariableDemand

public interface Demand<Solution_,Supply_ extends Supply>

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

See Also:

Supply, SupplyManager

Method Summary

Modifier and Type	Method	Description
Supply_	createExternalizedSupply(InnerScoreDirector<Solution_,?> scoreDirector)	Only called if the domain model doesn't already support the demand (through a shadow variable usually).

Method Detail

createExternalizedSupply

Supply_ createExternalizedSupply(InnerScoreDirector<Solution_,?> 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