Fawkes API
Fawkes Development Version
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Uniqueness constraint. More...
#include <>>
Public Member Functions | |
UniquenessConstraint () | |
Constructor. More... | |
void | add (ResourceType *r) |
Add resource. More... | |
void | remove (ResourceType *p) |
Remove resource. More... | |
ResourceType * | resource () |
Get resource. More... | |
Uniqueness constraint.
This constraint keeps track of a resource that may exist at most once.
The resource can only be added if no resource has been added and not been removed before. A resource can always be removed.
fawkes::UniquenessConstraint< ResourceType >::UniquenessConstraint | ( | ) |
void fawkes::UniquenessConstraint< ResourceType >::add | ( | ResourceType * | r | ) |
Add resource.
This will add the resources or throw an exception if there is already a resource.
r | resource object to add |
UniquenessViolationException | thrown, if a second resource is added |
void fawkes::UniquenessConstraint< ResourceType >::remove | ( | ResourceType * | r | ) |
ResourceType * fawkes::UniquenessConstraint< ResourceType >::resource | ( | ) |