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

Interface Demand<S extends Supply>

Type Parameters:

S - Subclass of Supply

All Superinterfaces:

Serializable

All Known Implementing Classes:

AnchorVariableDemand, CollectionInverseVariableDemand, CustomShadowVariableDemand, SingletonInverseVariableDemand

public interface Demand<S extends Supply>
extends Serializable

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 and Description
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