Class: SpotFeel::Dmn::Decision

Inherits:
Object
  • Object
show all
Defined in:
lib/spot_feel/dmn/decision.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id:, name:, decision_table:, variable:, literal_expression:, information_requirements:) ⇒ Decision

Returns a new instance of Decision.



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# File 'lib/spot_feel/dmn/decision.rb', line 16

def initialize(id:, name:, decision_table:, variable:, literal_expression:, information_requirements:)
  @id = id
  @name = name
  @decision_table = decision_table
  @variable = variable
  @literal_expression = literal_expression
  @information_requirements = information_requirements
end

Instance Attribute Details

#decision_table ⇒ Object (readonly)

Returns the value of attribute decision_table.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def decision_table
  @decision_table
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def id
  @id
end

#information_requirements ⇒ Object (readonly)

Returns the value of attribute information_requirements.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def information_requirements
  @information_requirements
end

#literal_expression ⇒ Object (readonly)

Returns the value of attribute literal_expression.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def literal_expression
  @literal_expression
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def name
  @name
end

#variable ⇒ Object (readonly)

Returns the value of attribute variable.



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# File 'lib/spot_feel/dmn/decision.rb', line 6

def variable
  @variable
end

Class Method Details

.from_json(json) ⇒ Object 



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# File 'lib/spot_feel/dmn/decision.rb', line 8

def self.from_json(json)
  information_requirements = Array.wrap(json[:information_requirement]).map { |ir| InformationRequirement.from_json(ir) } if json[:information_requirement]
  decision_table = DecisionTable.from_json(json[:decision_table]) if json[:decision_table]
  literal_expression = LiteralExpression.from_json(json[:literal_expression]) if json[:literal_expression]
  variable = Variable.from_json(json[:variable]) if json[:variable]
  Decision.new(id: json[:id], name: json[:name], decision_table:, variable:, literal_expression:, information_requirements:)
end

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/spot_feel/dmn/decision.rb', line 38

def as_json
  {
    id: id,
    name: name,
    decision_table: decision_table.as_json,
    variable: variable.as_json,
    literal_expression: literal_expression.as_json,
    information_requirements: information_requirements&.map(&:as_json),
  }
end

#evaluate(variables = {}) ⇒ Object 



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# File 'lib/spot_feel/dmn/decision.rb', line 25

def evaluate(variables = {})
  if literal_expression.present?
    result = literal_expression.evaluate(variables)
    variable.present? ? { variable.name => result } : result
  elsif decision_table.present?
    decision_table.evaluate(variables)
  end
end

#required_decision_ids ⇒ Object 



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# File 'lib/spot_feel/dmn/decision.rb', line 34

def required_decision_ids
  information_requirements&.map(&:required_decision_id)
end