Class: Floe::Workflow::States::Parallel

Inherits:
Floe::Workflow::State show all
Includes:
ChildWorkflowMixin, InputOutputMixin, NonTerminalMixin, RetryCatchMixin
Defined in:
lib/floe/workflow/states/parallel.rb

Instance Attribute Summary collapse

Attributes inherited from Floe::Workflow::State

#comment, #name, #payload, #type

Instance Method Summary collapse

Methods included from RetryCatchMixin

#catch_error!, #fail_workflow!, #find_catcher, #find_retrier, #retry_state!

Methods included from NonTerminalMixin

#finish, #validate_state_next!

Methods included from InputOutputMixin

#process_input, #process_output

Methods included from ChildWorkflowMixin

#each_child_context, #ended?, #finish, #ready?, #run_nonblock!, #running?, #success?, #wait_until, #waiting?

Methods inherited from Floe::Workflow::State

build!, #finish, #finished?, #long_name, #mark_error, #mark_finished, #mark_started, #ready?, #run_nonblock!, #running?, #short_name, #started?, #wait, #wait_until, #waiting?

Methods included from ValidationMixin

included, #invalid_field_error!, #missing_field_error!, #parser_error!, #runtime_field_error!, #workflow_state?, #wrap_parser_error

Constructor Details

#initialize(workflow, name, payload) ⇒ Parallel

Returns a new instance of Parallel.



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# File 'lib/floe/workflow/states/parallel.rb', line 15

def initialize(workflow, name, payload)
  super

  missing_field_error!("Branches") if payload["Branches"].nil?

  @next            = payload["Next"]
  @end             = !!payload["End"]
  @parameters      = PayloadTemplate.new(payload["Parameters"]) if payload["Parameters"]
  @input_path      = Path.new(payload.fetch("InputPath", "$"))
  @output_path     = Path.new(payload.fetch("OutputPath", "$"))
  @result_path     = ReferencePath.new(payload.fetch("ResultPath", "$"))
  @result_selector = PayloadTemplate.new(payload["ResultSelector"]) if payload["ResultSelector"]
  @retry           = payload["Retry"].to_a.map { |retrier| Retrier.new(retrier) }
  @catch           = payload["Catch"].to_a.map { |catcher| Catcher.new(catcher) }
  @branches        = payload["Branches"].map { |branch| Branch.new(branch) }

  validate_state!(workflow)
end

Instance Attribute Details

#branches ⇒ Object (readonly)

Returns the value of attribute branches.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def branches
  @branches
end

#catch ⇒ Object (readonly)

Returns the value of attribute catch.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def catch
  @catch
end

#end ⇒ Object (readonly)

Returns the value of attribute end.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def end
  @end
end

#input_path ⇒ Object (readonly)

Returns the value of attribute input_path.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def input_path
  @input_path
end

#next ⇒ Object (readonly)

Returns the value of attribute next.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def next
  @next
end

#output_path ⇒ Object (readonly)

Returns the value of attribute output_path.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def output_path
  @output_path
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def parameters
  @parameters
end

#result_path ⇒ Object (readonly)

Returns the value of attribute result_path.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def result_path
  @result_path
end

#result_selector ⇒ Object (readonly)

Returns the value of attribute result_selector.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def result_selector
  @result_selector
end

#retry ⇒ Object (readonly)

Returns the value of attribute retry.



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# File 'lib/floe/workflow/states/parallel.rb', line 12

def retry
  @retry
end

Instance Method Details

#end? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/floe/workflow/states/parallel.rb', line 42

def end?
  @end
end

#start(context) ⇒ Object 



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# File 'lib/floe/workflow/states/parallel.rb', line 34

def start(context)
  super

  input = process_input(context)

  context.state["BranchContext"] = branches.map { |_branch| Context.new({"Execution" => {"Id" => context.execution["Id"]}}, :input => input.to_json).to_h }
end