GenericMetadata
addConstraint(Constraint $constraint)
Adds a constraint. If the constraint {@link Valid} is added, the cascading strategy will be changed to {@link CascadingStrategy::CASCADE}. Depending on the $traverse property of that constraint, the traversal strategy will be set to one of the following: {@link TraversalStrategy::IMPLICIT} if $traverse is enabled {@link TraversalStrategy::NONE} if $traverse is disabled
Parameters Constraint $constraint The constraint to add