Package org.optaplanner.examples.machinereassignment.score

Class MachineReassignmentConstraintProvider

java.lang.Object

org.optaplanner.examples.machinereassignment.score.MachineReassignmentConstraintProvider

All Implemented Interfaces:

org.optaplanner.core.api.score.stream.ConstraintProvider

public class MachineReassignmentConstraintProvider
extends Object
implements org.optaplanner.core.api.score.stream.ConstraintProvider

Constructor Summary

Constructors

Constructor	Description
MachineReassignmentConstraintProvider()

Method Summary

Modifier and Type	Method	Description
protected org.optaplanner.core.api.score.stream.Constraint	balanceCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	availability(r) = capacity(m, r) - usage(m, r) balanceCost = sum(max(0, multiplier * availability(m, r1) - availability(m, r2)))
org.optaplanner.core.api.score.stream.Constraint[]	defineConstraints(org.optaplanner.core.api.score.stream.ConstraintFactory factory)
protected org.optaplanner.core.api.score.stream.Constraint	loadCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Load: The safety capacity for each resource for each machine should not be exceeded.
protected org.optaplanner.core.api.score.stream.Constraint	machineMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Machine move cost: Moving a process from machine A to machine B has another A-B specific move cost.
protected org.optaplanner.core.api.score.stream.Constraint	maximumCapacity(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Maximum capacity: The maximum capacity for each resource for each machine must not be exceeded.
protected org.optaplanner.core.api.score.stream.Constraint	processMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Process move cost: A process has a move cost.
protected org.optaplanner.core.api.score.stream.Constraint	serviceConflict(org.optaplanner.core.api.score.stream.ConstraintFactory factory)
protected org.optaplanner.core.api.score.stream.Constraint	serviceDependency(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Dependency: The processes of a service depending on another service must run in the neighborhood of a process of the other service.
protected org.optaplanner.core.api.score.stream.Constraint	serviceLocationSpread(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Spread: Processes of the same service must be serviceLocationSpread out across locations.
protected org.optaplanner.core.api.score.stream.Constraint	serviceMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Service move cost: A service has a move cost.
protected org.optaplanner.core.api.score.stream.Constraint	transientUsage(org.optaplanner.core.api.score.stream.ConstraintFactory factory)	Transient usage: Some resources are transient and count towards the maximum capacity of both the original machine as the newly assigned machine.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MachineReassignmentConstraintProvider

public MachineReassignmentConstraintProvider()

Method Details

defineConstraints

public org.optaplanner.core.api.score.stream.Constraint[] defineConstraints(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Specified by:

defineConstraints in interface org.optaplanner.core.api.score.stream.ConstraintProvider

maximumCapacity

protected org.optaplanner.core.api.score.stream.Constraint maximumCapacity(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Maximum capacity: The maximum capacity for each resource for each machine must not be exceeded.

serviceConflict

protected org.optaplanner.core.api.score.stream.Constraint serviceConflict(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

serviceLocationSpread

protected org.optaplanner.core.api.score.stream.Constraint serviceLocationSpread(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Spread: Processes of the same service must be serviceLocationSpread out across locations.

serviceDependency

protected org.optaplanner.core.api.score.stream.Constraint serviceDependency(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Dependency: The processes of a service depending on another service must run in the neighborhood of a process of the other service.

transientUsage

protected org.optaplanner.core.api.score.stream.Constraint transientUsage(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Transient usage: Some resources are transient and count towards the maximum capacity of both the original machine as the newly assigned machine.

loadCost

protected org.optaplanner.core.api.score.stream.Constraint loadCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Load: The safety capacity for each resource for each machine should not be exceeded.

balanceCost

protected org.optaplanner.core.api.score.stream.Constraint balanceCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

availability(r) = capacity(m, r) - usage(m, r) balanceCost = sum(max(0, multiplier * availability(m, r1) - availability(m, r2)))

processMoveCost

protected org.optaplanner.core.api.score.stream.Constraint processMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Process move cost: A process has a move cost.

serviceMoveCost

protected org.optaplanner.core.api.score.stream.Constraint serviceMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Service move cost: A service has a move cost.

machineMoveCost

protected org.optaplanner.core.api.score.stream.Constraint machineMoveCost(org.optaplanner.core.api.score.stream.ConstraintFactory factory)

Machine move cost: Moving a process from machine A to machine B has another A-B specific move cost.