Class: EventBus::CallSlot

Inherits:
Slot
  • Object
show all
Defined in:
lib/ls4/lib/ebus.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(bus, name) ⇒ CallSlot 



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# File 'lib/ls4/lib/ebus.rb', line 38

def initialize(bus, name)
  @bus = bus
  @name = name
  @method = nil
end

Instance Attribute Details

#method ⇒ Object (readonly)

Returns the value of attribute method.



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# File 'lib/ls4/lib/ebus.rb', line 44

def method
  @method
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ls4/lib/ebus.rb', line 45

def name
  @name
end

Instance Method Details

#call(*args, &block) ⇒ Object Also known as: signal 



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# File 'lib/ls4/lib/ebus.rb', line 61

def call(*args, &block)
  unless @method
    raise ::EventBus::SlotError.new("slot not connected", @name)
  end
  @bus.ebus_call_log(@method, args, &block)
  @method.call(*args, &block)
end

#connect(method = nil, &block) ⇒ Object 



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# File 'lib/ls4/lib/ebus.rb', line 47

def connect(method=nil, &block)
  if @method
    raise ::EventBus::SlotError.new("slot already connected", @name)
  end
  method ||= block
  @method = method
  @bus
end

#disconnect! ⇒ Object 



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# File 'lib/ls4/lib/ebus.rb', line 56

def disconnect!
  @method = nil
  @bus
end

#to_s ⇒ Object 



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# File 'lib/ls4/lib/ebus.rb', line 71

def to_s
  m = @method.inspect[/\#\<[^\:]*\:\s?(.+)\>/, 1]
  unless m
    m = m.to_s
  end
  "#<slot :#{@name} => #{m}>"
end