Class: P1MeterReader::DataParsing::ParseChain::StroomDalChain

Inherits:
Chainable
  • Object
show all
Defined in:
lib/p1_meter_reader/data_parsing/parse_chain/stroom_dal_chain.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Chainable

#next=, #try

Constructor Details

#initialize(next_chain = nil) ⇒ StroomDalChain

Returns a new instance of StroomDalChain.



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# File 'lib/p1_meter_reader/data_parsing/parse_chain/stroom_dal_chain.rb', line 11

def initialize(next_chain = nil)
  super
  self.last_value = kWh(0.0)
end

Instance Attribute Details

#last_value ⇒ Object

This is primarily for testing



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# File 'lib/p1_meter_reader/data_parsing/parse_chain/stroom_dal_chain.rb', line 9

def last_value
  @last_value
end

Instance Method Details

#can_handle?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/p1_meter_reader/data_parsing/parse_chain/stroom_dal_chain.rb', line 16

def can_handle?(line)
  line.start_with? ("1-0:1.8.1")
end

#handle(lines_enumerator, output) ⇒ Object 



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# File 'lib/p1_meter_reader/data_parsing/parse_chain/stroom_dal_chain.rb', line 20

def handle(lines_enumerator, output)
  line = lines_enumerator.next

  value = KwhReader.read(line)

  if value
    output.stroom_dal = value
    output.diff_stroom_dal = value - last_value

    self.last_value = value
  end
end