Class: RSMP::TLC::SignalPriority

Inherits:
Object
  • Object
show all
Defined in:
lib/rsmp/tlc/signal_priority.rb

Overview

Representation of a priority request for a TLC signal.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node:, id:, level:, eta:, vehicle_type:) ⇒ SignalPriority

Returns a new instance of SignalPriority.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 7

def initialize(node:, id:, level:, eta:, vehicle_type:)
  @node = node
  @id = id
  @level = level
  @eta = eta
  @vehicle_type = vehicle_type
  self.state = 'received'
end

Instance Attribute Details

#age ⇒ Object (readonly)

Returns the value of attribute age.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def age
  @age
end

#eta ⇒ Object (readonly)

Returns the value of attribute eta.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def eta
  @eta
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def id
  @id
end

#level ⇒ Object (readonly)

Returns the value of attribute level.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def level
  @level
end

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def node
  @node
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def state
  @state
end

#updated ⇒ Object (readonly)

Returns the value of attribute updated.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def updated
  @updated
end

#vehicle_type ⇒ Object (readonly)

Returns the value of attribute vehicle_type.



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# File 'lib/rsmp/tlc/signal_priority.rb', line 5

def vehicle_type
  @vehicle_type
end

Instance Method Details

#cancel ⇒ Object 



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# File 'lib/rsmp/tlc/signal_priority.rb', line 20

def cancel
  return unless @state == 'activated'

  self.state = 'completed'
end

#prune? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rsmp/tlc/signal_priority.rb', line 16

def prune?
  @state == 'stale' || @state == 'completed'
end

#timer ⇒ Object 



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# File 'lib/rsmp/tlc/signal_priority.rb', line 32

def timer
  @age = @node.clock.now - @updated
  case @state
  when 'received'
    if @age >= 0.5
      @node.log "Priority request #{@id} activated.", level: :info
      self.state = 'activated'
    end
  when 'activated'
    if @age >= 1
      @node.log "Priority request #{@id} became stale.", level: :info
      self.state = 'stale'
    end
  end
end