edu.columbia.cs.ref.model.constraint.role.impl
Class IsOptionalConstraint

java.lang.Object
  edu.columbia.cs.ref.model.constraint.role.impl.IsOptionalConstraint

All Implemented Interfaces:

RoleConstraint, java.io.Serializable

public class IsOptionalConstraint
extends java.lang.Object
implements RoleConstraint

The Class IsOptionalConstraint is an implementation of the RoleConstraint that indicates that an entity for a particular role is optional.

Since:

2011-09-27

Version:

0.1

Author:

Pablo Barrio, Goncalo Simoes

See Also:

Serialized Form

Constructor Summary

IsOptionalConstraint()

Method Summary

boolean	checkConstraint(Entity role) Check check if the input entity fulfills the constraint
java.util.Set<Entity>	getCompatibleEntities(java.util.Set<Entity> entities) Returns the subset of all the input entities that fulfill the constraint

Methods inherited from class java.lang.Object

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

Constructor Detail

IsOptionalConstraint

public IsOptionalConstraint()

Method Detail

checkConstraint

public boolean checkConstraint(Entity role)

Description copied from interface: RoleConstraint

Check check if the input entity fulfills the constraint

Specified by:

checkConstraint in interface RoleConstraint

Parameters:

role - the entity

Returns:

true, if successful

getCompatibleEntities

public java.util.Set<Entity> getCompatibleEntities(java.util.Set<Entity> entities)

Description copied from interface: RoleConstraint

Returns the subset of all the input entities that fulfill the constraint

Specified by:

getCompatibleEntities in interface RoleConstraint

Parameters:

entities - the entities to be checked

Returns:

the compatible entities