Module org.maxicp

Package org.maxicp.cp.engine.constraints.scheduling

Class IsStartBefore

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.scheduling.IsStartBefore

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class IsStartBefore
extends AbstractCPConstraint

Reified constraint enforcing boolVar <=> start(intervalVar) <= var when intervalVar is present.

Constructor Summary

Constructors

Constructor	Description
IsStartBefore(CPBoolVar boolVar, CPIntervalVar intervalVar, CPIntVar var)	Creates a reified constraint linking boolVar to start(intervalVar) <= var.

Method Summary

Modifier and Type	Method	Description
void	post()	Initializes the constraint when it is posted to the solver.
void	propagate()	Propagates the constraint.

Methods inherited from class org.maxicp.cp.engine.core.AbstractCPConstraint

getSolver, isActive, isScheduled, priority, registerDelta, setActive, setScheduled, updateDeltas

Methods inherited from class java.lang.Object

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

Constructor Details

IsStartBefore

public IsStartBefore(CPBoolVar boolVar,
 CPIntervalVar intervalVar,
 CPIntVar var)

Creates a reified constraint linking boolVar to start(intervalVar) <= var.

Parameters:

boolVar - the boolean variable that is true iff start(intervalVar) <= var

intervalVar - the interval variable

var - the integer variable compared against the start of intervalVar

Method Details

post

public void post()

Description copied from interface: CPConstraint

Initializes the constraint when it is posted to the solver.

Specified by:

post in interface CPConstraint

Overrides:

post in class AbstractCPConstraint

propagate

public void propagate()

Description copied from interface: CPConstraint

Propagates the constraint.

Specified by:

propagate in interface CPConstraint

Overrides:

propagate in class AbstractCPConstraint