Class: Gisele::VM::Registry

Inherits:
Component show all
Defined in:
lib/gisele/vm/registry.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Component

#connected!, #connected?, #registered, #registered!, #registered?, #unregistered, #vm

Constructor Details

#initialize(vm) ⇒ Registry

Returns a new instance of Registry.



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# File 'lib/gisele/vm/registry.rb', line 7

def initialize(vm)
  super()
  @vm         = vm
  @components = []
  @cconnected = []
end

Instance Attribute Details

#components ⇒ Object (readonly)

Returns the value of attribute components.



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# File 'lib/gisele/vm/registry.rb', line 5

def components
  @components
end

Instance Method Details

#connect ⇒ Object 



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# File 'lib/gisele/vm/registry.rb', line 32

def connect
  super
  @components.each do |c|
    c.connect
    @cconnected << c
  end
rescue Exception => ex
  fatal error_message(ex, "Unable to connect VM:")
  disconnect
  raise
end

#disconnect ⇒ Object 



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# File 'lib/gisele/vm/registry.rb', line 44

def disconnect
  super
  @cconnected.each do |c|
    begin
      c.disconnect
    rescue Exception => ex
      warn("Error when disconnecting #{c}: #{ex.message}") rescue nil
    end
  end
end

#register(component, prior = false) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gisele/vm/registry.rb', line 14

def register(component, prior = false)
  raise NotImplementedError,
        "Hot registration is not implemented." if connected?
  if prior
    @components.unshift component
  else
    @components.push component
  end
  component.registered(vm)
end

#unregister(component) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gisele/vm/registry.rb', line 25

def unregister(component)
  raise NotImplementedError,
        "Hot unregistration is not implemented." if connected?
  @components.delete(component)
  component.unregistered
end