Class: BPMN::Step

Inherits:
Element show all
Defined in:
lib/bpmn/step.rb

Direct Known Subclasses

Activity, Event, Gateway, Process

Instance Attribute Summary collapse

Attributes inherited from Element

#extension_elements, #id, #name

Instance Method Summary collapse

Methods inherited from Element

#inspect

Constructor Details

#initialize(attributes = {}) ⇒ Step

Returns a new instance of Step.



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# File 'lib/bpmn/step.rb', line 7

def initialize(attributes = {})
  super(attributes.except(:incoming, :outgoing, :default))

  @incoming = Array.wrap(attributes[:incoming]) || []
  @outgoing = Array.wrap(attributes[:outgoing]) || []
  @default_ref = attributes[:default]
end

Instance Attribute Details

#default ⇒ Object

Returns the value of attribute default.



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

def default
  @default
end

#default_ref ⇒ Object

Returns the value of attribute default_ref.



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

def default_ref
  @default_ref
end

#incoming ⇒ Object

Returns the value of attribute incoming.



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

def incoming
  @incoming
end

#outgoing ⇒ Object

Returns the value of attribute outgoing.



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

def outgoing
  @outgoing
end

Instance Method Details

#converging? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bpmn/step.rb', line 19

def converging?
  incoming.length > 1
end

#diverging? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bpmn/step.rb', line 15

def diverging?
  outgoing.length > 1
end

#input_mappings ⇒ Object 



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# File 'lib/bpmn/step.rb', line 38

def input_mappings
  extension_elements&.io_mapping&.inputs || []
end

#leave(execution) ⇒ Object 



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# File 'lib/bpmn/step.rb', line 23

def leave(execution)
  execution.end(false)
  execution.take_all(outgoing_flows(execution))
end

#outgoing_flows(execution) ⇒ Object 



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# File 'lib/bpmn/step.rb', line 28

def outgoing_flows(execution)
  flows = []
  outgoing.each do |flow|
    result = flow.evaluate(execution) unless default&.id == flow.id
    flows.push flow if result
  end
  flows = [default] if flows.empty? && default
  return flows
end

#output_mappings ⇒ Object 



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# File 'lib/bpmn/step.rb', line 42

def output_mappings
  extension_elements&.io_mapping&.outputs || []
end