Class: Teckel::Chain::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/teckel/chain.rb

Overview

The default implementation for executing a Teckel::Chain

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(steps) ⇒ Runner

Returns a new instance of Runner.



220
221
222
 
# File 'lib/teckel/chain.rb', line 220

def initialize(steps)
  @steps = steps
end

Instance Attribute Details

#steps ⇒ Object (readonly)

Returns the value of attribute steps.



223
224
225
 
# File 'lib/teckel/chain.rb', line 223

def steps
  @steps
end

Instance Method Details

#call(input) ⇒ Teckel::Result, Teckel::Chain::StepFailure

Run steps

Parameters:

  • input —

    Any form of input the first steps input class can handle

Returns:



232
233
234
235
236
237
238
239
240
241
242
243
244
 
# File 'lib/teckel/chain.rb', line 232

def call(input)
  last_result = input
  failed = nil
  steps.each do |(name, step)|
    last_result = step.call(last_result)
    if last_result.failure?
      failed = StepFailure.new(step, name, last_result)
      break
    end
  end

  failed || last_result
end