Class: ActiveFacts::CQL::Compiler::SetExclusionConstraint

Inherits:
SetComparisonConstraint show all
Defined in:
lib/activefacts/cql/compiler/constraint.rb

Instance Attribute Summary

Attributes inherited from Definition

#constellation, #tree, #vocabulary

Instance Method Summary collapse

Methods inherited from SetConstraint

#role_sequences_for_common_bindings, #warn_ignored_queries

Methods inherited from Constraint

#bind_clauses, #common_bindings, #loose_bind, #loose_bind_wherever_possible, #to_s, #warn_ignored_queries

Methods inherited from Definition

#all_bindings_in_clauses, #build_all_steps, #build_steps, #build_variables, #source, #to_s

Constructor Details

#initialize(context_note, enforcement, clauses_lists, roles, quantifier) ⇒ SetExclusionConstraint

Returns a new instance of SetExclusionConstraint.



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# File 'lib/activefacts/cql/compiler/constraint.rb', line 362

def initialize context_note, enforcement, clauses_lists, roles, quantifier
  super context_note, enforcement, clauses_lists
  @roles = roles || []
  @quantifier = quantifier
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/activefacts/cql/compiler/constraint.rb', line 368

def compile
  bind_clauses @roles
  common_bindings

  role_sequences =
    role_sequences_for_common_bindings

  @constraint = @constellation.SetExclusionConstraint(
    :new,
    :vocabulary => @vocabulary,
    :is_mandatory => @quantifier.min == 1
  )
  @enforcement.compile(@constellation, @constraint) if @enforcement
  role_sequences.each_with_index do |role_sequence, i|
    @constellation.SetComparisonRoles(@constraint, i, :role_sequence => role_sequence)
  end
  super
end

#loose_binding ⇒ Object

In a SetExclusionConstraint, each role in “for each XYZ” must occur in each clauses_list



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# File 'lib/activefacts/cql/compiler/constraint.rb', line 388

def loose_binding
  if @roles.size == 0
    loose_bind_wherever_possible
  else
    loose_bind
  end
end