Module: GoodData::Bam::Step

Defined in:
lib/base/step.rb

Class Method Summary collapse

Class Method Details

.find_output_step(steps) ⇒ Object 



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# File 'lib/base/step.rb', line 22

def self.find_output_step(steps)
  if has_output_step?(steps)
    steps.detect {|s| s.has_key?(:out)}
  elsif steps.count == 1
    steps.first
  else
    fail "No out is defined and there are more than 1 fields in flow \"#{steps}\""
  end
end

.get_graph_path(step) ⇒ Object 



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# File 'lib/base/step.rb', line 5

def self.get_graph_path(step)
  case step[:type]
  when :tap
    "graphs/#{step[:flow_id]}_#{step[:id]}_#{step[:source_type]}_tap.grf"
  when :sink
    "graphs/#{step[:flow_id]}_#{step[:id]}_sink.grf"
  when :graph
    Graph.get_path(step)
  else
    raise "Not implemented"
  end
end

.has_output_step?(steps) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/base/step.rb', line 18

def self.has_output_step?(steps)
  steps.any? {|s| s.has_key?(:out)}
end

.step_name(step) ⇒ Object 



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# File 'lib/base/step.rb', line 32

def self.step_name(step)
  case step[:type]
  when :tap
    "#{step[:id]}_#{step[:type]}"
  when :sink
    "#{step[:id]}_#{step[:type]}"
  when :graph
    "#{step[:path].basename.to_s.chomp(step[:path].extname)}_#{step[:type]}"
  else
    raise "Not implemented"
  end
end