Method: MQTT::Homie::Property#initialize

Defined in:
lib/mqtt/homie/property.rb

#initialize(node, id, name, datatype, value = nil, format: nil, retained: true, unit: nil, non_standard_value_check: nil, &block) ⇒ Property

Returns a new instance of Property.

Raises:

  • (ArgumentError) 


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# File 'lib/mqtt/homie/property.rb', line 10

def initialize(node,
               id,
               name,
               datatype,
               value = nil,
               format: nil,
               retained: true,
               unit: nil,
               non_standard_value_check: nil,
               &block)
  raise ArgumentError, "Invalid Homie datatype" unless %i[string
                                                          integer
                                                          float
                                                          boolean
                                                          enum
                                                          color
                                                          datetime
                                                          duration].include?(datatype)
  raise ArgumentError, "retained must be boolean" unless [true, false].include?(retained)
  raise ArgumentError, "unit must be nil or a string" unless unit.nil? || unit.is_a?(String)
  if !value.nil? && !retained
    raise ArgumentError, "an initial value cannot be provided for a non-retained property"
  end

  super(id, name)

  @node = node
  @datatype = datatype
  self.format = format
  @retained = retained
  @unit = unit
  @value = value
  @published = false
  @non_standard_value_check = non_standard_value_check
  @block = block
end