Class: LWAC::KeyValueFormatter

Inherits:
Formatter show all
Defined in:
lib/lwac/export/format.rb

Overview

Formatters that support key-value pairs as selected by a ‘fields’ config item

Direct Known Subclasses

CSVFormatter, JSONFormatter, MultiCSVFormatter

Instance Method Summary collapse

Methods inherited from Formatter

#<<, #close_output, #close_point, #open_output, #write_header

Constructor Details

#initialize(config = {}) ⇒ KeyValueFormatter

Returns a new instance of KeyValueFormatter.



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# File 'lib/lwac/export/format.rb', line 60

def initialize(config = {})
  super(config)
  raise "No fields in field listing" if (not (@config[:fields] and @config[:fields].length > 0) )
  KeyValueFormat::compile_format_procedures( @config[:fields] )
end

Instance Method Details

#add_data(data) ⇒ Object 



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# File 'lib/lwac/export/format.rb', line 73

def add_data(data)
  $log.debug "KV: Adding data: #{data}"
  @data = data
  @line.merge! KeyValueFormat::produce_output_line( data, @config[:fields] )
end

#open_point ⇒ Object 



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# File 'lib/lwac/export/format.rb', line 67

def open_point()
  $log.debug "KV: Opening new point"
  @data = nil
  @line = {}
end