Class: ActiveFacts::Metamodel::SetExclusionConstraint

Inherits:

SetComparisonConstraint

• Object
• Constraint
• SetConstraint
• SetComparisonConstraint
• ActiveFacts::Metamodel::SetExclusionConstraint

Defined in:

lib/activefacts/metamodel/metamodel.rb,
lib/activefacts/metamodel/extensions.rb

Instance Method Summary

• #describe ⇒ Object

Methods inherited from SetComparisonConstraint

#all_constrained_role

Instance Method Details

#describe ⇒ Object

# File 'lib/activefacts/metamodel/extensions.rb', line 1230

def describe
  (is_mandatory ? "exactly one of " : "at most one of ") +
  all_set_comparison_roles.map(&:describe) * " or "
end